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In episode #204 we welcomed back ultrarunner Kilian Korth on the show. We always love chatting with Kilian as he is an open book about what's going on in the research project that is his running career and approach to nutrition. After his Triple Crown of the 200s win in 2025, and his men's race win at Cocodona 250, he reset his sights on new goals for 2027. He and host Kyla Channell cover his move to a higher-carb diet and the ankle injury he suffered at Cocodona. They also discuss his surgery, his mental and physical recovery, and his mindset shifts for 2027. Along the way they talk sweat testing, and fueling.
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Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT KILIAN KORTH:
We are excited to welcome back Kilian Korth on the podcast. Don’t miss our first episode with Kilian (Episode #156), where we spoke with him about his quest for the Triple Crown of the 200s, his deep dive into what works for him nutritionally, and how he's constantly looking at how to evolve and grow in those. It was a fascinating episode. Today we spoke with Kilian as his training continues to evolve through injury, surgery, recovery, impending fatherhood, and how he’s preparing for what’s next for 2027.
Kilian continues to live and train in Western Colorado, and since we last spoke to him, he did indeed win the 2025 Triple Crown of 200s, as well as the men’s race at Cocodona 250 in 2026. He is an ultra runner and full time coach, focusing on the 200 mile distance and other multi day efforts along mountain traverses and desert canyons alike. Ultimately he wants to evolve and strive toward longer and longer distances, eyeing some of the notable long trail FKTs in the United States and elsewhere like the Colorado, Pacific Crest, and Appalachian trails.
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This week as we take a short fall break in recording, we wanted to revisit our chat with gravel cyclist and 2026 Traka 560 record breaker, Maddy Nutt, as she shares behind-the-scenes insights from her latest epic rides. Tune in to learn more about her training, nutrition, gear, and mental resilience required to tackle the world's toughest gravel events. This episode is packed with practical insights for endurance athletes, gravel racers, and anyone interested in pushing physical limits in demanding environments.
We'll be back next week with a new episode for November!
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Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
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ABOUT MADDY NUTT:
Maddy Nutt is a British gravel cyclist and endurance racer known for her fearless riding style, ultra-distance grit, and adventurous approach to off-road racing. Based in London, she transitioned from a career in finance to professional cycling after discovering a passion for gravel racing and endurance events. Since then, she has become one of the standout names in the international gravel scene, competing in events across Europe, Africa, and the Americas.
Maddy has earned podium finishes and victories in major gravel races, including wins in the UCI Gravel World Series and standout performances at events such as Safari Gravel Race and Traka 560, where she absolutely crushed the record in 2026. Known for thriving in demanding endurance conditions, she has built a reputation for resilience, including famously finishing Traka 360 despite riding hundreds of kilometers with a shoulder ligament injury.
Alongside racing, Maddy is also recognized for sharing the culture and community of gravel cycling through storytelling, travel, and social media content. Her personality, humor, and love of adventure have helped make her one of the most relatable and recognizable athletes in modern gravel racing.
Timestamps:
00:00 - Meet Maddy Nutt: UK gravel star & endurance record-breaker
02:16 - Transition from finance to gravel racing: A passion turned pro
04:05 - Race highlights: The challenge of Traka 360 and setting records
06:38 - Race strategy: Setting time goals, pacing, and navigating remote routes
09:22 - Supporting equipment: Nutrition, hydration, and bike setup for ultra distances
13:24 - Managing nutrition: Food choices, gels, real food, and flavor fatigue
16:19 - Fueling plans: Carbs, fluids, and managing caloric intake during long races
22:16 - Race day logistics: Stops, support, and minimalist packing
25:10 - Using AI for race planning: Tires, weight, and route intelligence
29:24 - Race challenges: Water, support, and dealing with unexpected obstacles
34:24 - Post-race recovery: Rest, nutrition, and injury management
37:37 - Upcoming races: The Rift in Iceland and future plans
41:13 - Tips for real food intake during ultra-distance racing
44:21 - Understanding sodium loss and electrolyte needs in different climates
46:36 - Fun facts & closing: The lie about her childhood talent & where to follow her adventures
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In episode #203 pro off-road cyclist and registered dietitian Sarah Lange reflects on her best Grand Prix season to date, finishing sixth overall while balancing racing, training, and a 30-hour work week. She discusses how she became more tactical in races and gradually increased her on-bike carbohydrate intake while managing digestive issues. The conversation also covers race-day hydration, caffeine, nutrition routines, off-season training, and the support that helps her compete as a privateer.
Key Topics:
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT SARAH LANGE:
Sarah Lange is a professional gravel cyclist and Registered Dietitian who has built her career around two things she loves: riding bikes and helping people develop a healthy relationship with food. She races gravel and off-road events at the highest levels of the sport, taking on some of the biggest and most challenging races in the country. She loves big climbs, bakery stops, hard racing, and finding adventures with friends.
Off the bike, Sarah is a Registered Dietitian at Whole Health Nutrition, where she works with clients on sports nutrition, general health and wellness, and eating disorders. Her work is grounded in evidence-based nutrition, but also in the belief that food should support both your health and your life—not become another source of stress.
Being both a competitive cyclist and dietitian gives Sarah a unique perspective on the complicated relationship between performance, fueling, body image, and health in endurance sports. She’s passionate about helping athletes fuel enough to train and perform, while also recognizing that there is much more to health than performance. In the off-season, you will find Sarah embracing the snowy New England winters and trading in the bike for skis for training and adventure.
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00:00 — Sarah’s sixth-place Grand Prix finish and best season yet
02:16 — Leadville’s climbing and why the course change helped
03:51 — Racing outside the Grand Prix
04:23 — Living in New Hampshire and adapting to its terrain
05:45 — The changes behind Sarah’s performance this season
07:01 — Building from 60 to 110 grams of carbs per hour
08:42 — Heat, humidity, and drink-mix concentration
09:10 — Sodium targets without formal sweat testing
10:18 — Managing reflux and regurgitation during races
11:22 — Adjusting fueling when her stomach feels unsettled
11:48 — Gels and drink mix that work for her
12:59 — Caffeine timing and race-day intake
14:28 — Using caffeinated gels later in a race
15:29 — Organizing pockets and carrying extra nutrition
16:50 — Privateer support from Austin and mechanic Anna
17:39 — The mud-soaked hydration vest at Unbound
19:39 — Fitting training around a 30-hour work week
20:27 — Two-a-days and balancing hard sessions with skills work
21:13 — A final race in Portugal
21:47 — Magnesium, creatine, and tart cherry juice
24:05 — Planning a more structured off-season
24:33 — Nordic skiing, trainer work, and winter training
26:22 — Grand Prix acceptance after a top-10 finish
26:59 — Off-season lab work and checking vitamin D and iron
27:55 — Gym training in and out of season
28:38 — Adjusting nutrition as training volume changes
29:41 — Using the athlete plate as a framework
30:41 — Tracking intake to identify nutrition imbalances
31:36 — Adding cereal, juice, rice, and pasta
33:37 — Staying healthy while working remotely
34:26 — Eating in the days before a big race
35:36 — Tart cherry juice, chocolate milk, and other drinks
36:22 — Pancakes and maple syrup on race morning
37:21 — World Championships qualification and future plans
38:58 — The “two truths and a lie” segment
40:07 — Nearly getting stuck in Honduras during early COVID travel shutdowns
41:19 — The biggest change in Sarah’s fueling
41:38 — How eating more on the bike improved her performance
42:40 — Overcoming hesitation about eating more
43:10 — Fueling easier rides as well as hard efforts
44:03 — Where to follow Sarah and what’s next
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In episode #202 host Kyla Channell talks with elite New Zealand rower Ella Cossill about what professional rowing actually demands, from 2K racing in six to seven minutes to the huge training and recovery load behind it. Ella also breaks down how she fuels 6,000 to 8,000 calories a day, why rowing culture pushes performance over thinness, and how she times carbs, caffeine, and bicarbonate around racing.
We also discuss the realities of national team life, including training blocks, injury prevention, sleep, naps, and the differences between rowing and other endurance sports like swimming, cycling, and running.
Key topics
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT ELLA COSSILL:
Ella Cossill is an elite New Zealand rower, who has represented her country on the national team since 2023. Ella attended and rowed on the team at University of Washington, where she became a standout member of the Huskies women’s rowing team, earning multiple All-American and All-Pac-12 honors, as well as named the 2021 Pac-12 Women’s Rowing Athlete of the Year. She helped lead her crew to an NCAA bronze medal in 2021 and silver in 2023. She also earned her degree in Food Systems, Nutrition & Health at the university.
Since joining New Zealand’s elite rowing programm, Ella has competed at World Cups and World Rowing Championships. In 2023, she helped New Zealand’s women’s four secure qualification for the Paris 2024 Olympic Games with a seventh-place finish at the World Championships.
In 2025, Ella placed 5th at the world championships in the women’s quad, and recently won both silver and bronze at the Rowing World Cup 1 and 2 in Spain and Bulgaria. Her team placed 8th at world championships in this boat class, as well as 6th in the women's eight.
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00:00 - Welcome to the show and Ella’s rower background
00:30 - Two truths and a lie
02:11 - What professional rowing looks like at the elite level
03:35 - How long a two K rowing race takes
03:54 - National team structure and training blocks
05:36 - Returning to full training after World Champs
06:41 - Weekly training hours and cross-training
07:13 - Why Ella’s 7,000-calorie day resonated
08:23 - Fueling enough even on recovery weeks
09:20 - Adjusting to eating more after swimming
10:23 - Realizing low energy was a fueling issue, not fitness
11:15 - Weight classes, lightweight rowing, and minimum bodyweight goals
12:06 - Mass, power, and what matters in rowing
13:21 - Injury risk, especially ribs and bone stress
14:19 - Why rowing culture around body size feels healthier
15:33 - What Ella eats first thing in the day
16:45 - Raro, carb drinks, and 90 to 120 grams of carbs per hour
17:34 - How she fuels long rows and handles GI issues
18:56 - Fueling on the water with stop points and bottles
20:15 - Post-session carb targets and recovery naps
21:06 - Naps, sleep, and recovery habits
22:21 - Protein happening naturally when carbs are high enough
23:36 - Gym sessions after rowing volume
24:32 - What a rowing gym session focuses on
25:35 - Switching from port to starboard side in the boat
26:28 - Quick top-ups before lifting
27:06 - Gym fueling snacks and pre-made drinks
27:52 - Post-gym recovery and snack timing
28:39 - Whether she uses pre-bed fuel
29:22 - Garmin, heart rate straps, power, and lactate testing
30:23 - Creatine, beta alanine, and bicarbonate use
30:46 - Bicarbonate capsules, timing, and tolerance
32:16 - How the squad splits bicarbonate doses
33:16 - Race-day meal timing before bicarb and warm-up
34:17 - Ella’s bicarbonate timing sweet spot
35:23 - Caffeine strategy for afternoon races
37:03 - Doubling up for multiple races in one day
38:21 - Bicarbonate, thirst, and bloating
39:22 - What bicarbonate side effects feel like
40:34 - How the team avoids illness and injury
42:08 - What Ella would tell freshman-year Ella about fueling
44:19 - Why swimming taught her the wrong body ideals
45:30 - Where to follow Ella
46:01 - Two truths and a lie reveal
47:16 - The four countries Ella has lived in
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In episode #201 Kyla Channell talks with gravel racer Cecily Decker and breaks down how she’s built a gravel-first racing career around endurance, fueling, and smart adaptation after major knee injuries. The conversation covers her transition from ski racing to cycling, the mental side of long efforts, and the nutrition protocol that now helps her perform at a much higher level. We discuss Cecily’s race background, her approach to carbs, fluids, caffeine, and bicarbonate, plus the race-day routines she uses to stay consistent and competitive.
Key topics
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT CECILY DECKER
Cecily Decker is a professional cyclist recognized for her versatility across endurance disciplines and her consistent presence at the front of elite gravel racing. Known for combining aerobic depth and resilience, she has built a reputation as a fierce and adaptable competitor in some of the sport’s most demanding events. In her 2025 season, Cecily achieved a podium at Unbound and Leadville and 2nd place in the Lifetime Grand Prix Series. In 2026, she’s hit the podium at Mid South and finished top 10 at the Sea Otter Classic.
Beyond results, Cecily values a good adventure above almost anything. Cecily competes in skimo racing during the cycling offseason and uses it as a tool to explore the mountains and compete in a lower pressure environment. Her multidisciplinary approach is what sets her apart, giving her a distinctive perspective in both sports. She is also a former alpine ski racer for the US National team.
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00:00 - Introducing Cecily Decker and her second-place Lifetime Grand Prix finish
01:08 - Two truths and a lie: skimo title, ultra running, and whitewater kayaking
03:05 - From ski racer to cyclist after knee injury and rehab
04:46 - Why Cecily leans hard into gravel over mountain bike and road racing
05:19 - Managing chronic knee pain and the impact of repeated injuries
06:20 - The osteotomy surgery that realigned her femur
07:46 - Why long-duration suffering became appealing
09:08 - Mental strategy for embracing discomfort instead of fighting it
10:00 - Using self-talk in the pain cave and staying calm under pressure
11:45 - Grand Prix year two and the early nutrition evolution
12:01 - The first 100-mile race and the meal replacement bar that never got eaten
13:37 - Progressing from inconsistent fueling to 90 to 100 grams of carbs per hour
14:31 - Sea Otter race plan and lap-based carb targets
15:20 - Finding the sweet spot before GI issues become a problem
16:09 - Testing 160 grams per hour and discovering a late-race second wind
17:48 - Fueling by gut tolerance, not calories burned
18:46 - What she learned from pushing carb intake in training
19:10 - Recovery after high-carb efforts and race nutrition
20:26 - Why she avoids full gut bombs during racing
21:10 - Cutting fiber about 24 hours before races
22:46 - Gradually increasing carbs in the final three days
23:55 - Favorite carb sources: rice, oats, and bread
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In episode #200 host Kyla Channell spoke with Jacquie Mannhard about her 2nd place finish at the 2026 Leadville 100 running race about recovery, fueling and the mental grind of 100 miles.
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT JACQUIE MANNHARD
Jacquie Mannhard is a mom, coach, and trail runner based in Boulder, Colorado. She has been an athlete through all chapters of life: as a competitive swimmer in childhood, to an NCAA All-American in cross country and track, to dabbling in triathlon, pushing the baby jogger, and now racing ultra-distances on trails. Since her 50K debut in 2018, Jacquie has tackled some of the most beautiful, challenging, and competitive races including the Leadville Trail 100, Highlonesome 100, Canyons 100, Ultra Trail du Mont Blanc, Black Canyons, Bandera, and Javelina. Her breakthrough win at the 2023 Leadville Trail 100 surprised almost everyone, except herself. Just last month she returned to Leadville, finishing the 100 mile race one hour faster than before, and landing on the overall podium again, this time in second place.
Jacquie loves supporting the running community through coaching all ages of athletes. Now entering her 8th season of coaching youth cross country and track, she aspires to be the coach that helps kids fall in love with running for a lifetime.
Outside of running, Jacquie tries to keep pace with her adventurous hubby and two kids while skiing, biking, rock climbing, swimming, and playing four square on the driveway. She hopes to be moving joyfully in the outdoors for many decades to come
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00:00 - Meet Jacquie Mannhard and the Leadville race context
02:25 - Post-race fatigue, brain fog, and the need for a long recovery runway
03:25 - Why rushing back after a 100 miler can backfire
05:00 - Winning Leadville in 2023 and racing second this year
06:02 - How the altered Leadville course changed the effort
07:53 - A very different race dynamic in 2024
09:00 - Racing hard when the top women kept trading positions
10:23 - The mental descent of 100-mile racing
11:18 - Why Jacquie leans on Buddhist teaching for mental strength
12:14 - How repeat exposure builds endurance confidence
13:17 - Runner’s high versus the deeper, darker race-day low
13:52 - Final-mile GI distress and dynamic fueling adjustments
15:18 - Switching to Scratch hydration and lowering drink concentration
16:44 - Gel choices, including Enervit mango gels and Neversecond
17:44 - The 70 to 80 grams per hour carb target
19:01 - Hydration at altitude and avoiding thirst
19:24 - Cramping, or lack of it
19:41 - The week before a 100 miler: extreme rest and sleep banking
20:50 - Carbohydrate loading like a bear before hibernation
21:20 - Race-week meals: rice, toast, sandwiches, pasta, and liquid calories
21:50 - Sleep expectations before a 4 a.m. Leadville start
22:48 - Race-morning hydration, caffeine, and her consistent oatmeal breakfast
24:15 - Pre-start snacking and topping off energy stores
24:55 - Starting fuel intake early in the race
25:18 - How crew systems keep nutrition honest
25:55 - Heat, altitude, and the reality of racing at Leadville
26:38 - Sun protection, sunscreen, and altitude exposure
27:12 - Sweat testing and what Jacquie hopes to learn
27:59 - Salt tabs, pickle juice, and salty foods for balance
28:40 - Managing sweet-fuel fatigue on the course
29:49 - Supplements, creatine, and why she is a slow adopter
32:17 - How her nutrition protocol changed from 2023 to now
33:29 - Crew access points, aid stations, and long stretches without support
34:09 - The unique Leadville rule that lets pacers carry your gear
35:43 - Post-finish cravings, catabolic recovery, and eating hard for days
38:18 - Hot broth, Cheetos, sandwiches, and immediate recovery eating
38:59 - Mobility, foam rolling, swimming, and massage tools after the race
39:53 - Sauna work in winter and heat adaptation in summer
40:55 - Fueling advice for runners training for their first 100 miler
41:41 - How mom life and kids strengthen her training and perspective
42:59 - What Jacquie wants female runners to know
44:52 - What is next: recovery, coaching kids’ cross country, and maybe a fast road marathon
46:52 - Where to follow Jacquie and how to connect in Boulder
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In episode #199 Savilia Blunk returns for a third conversation to break down how she approaches racing, recovery, and nutrition after the 2024 Olympic cycle. She and Kyla Channell discuss what changed after the Olympics, why a long off-season matters, and how Savilia fuels for short track and cross-country World Cup weekends.
KEY TAKEAWAYS
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT SAVILIA BLUNK:
Savilia Blunk is an Olympian and professional mountain bike racer for the Decathlon Ford Racing Team. Over the past decade, she’s climbed the ranks from small-town roots and humble beginnings—starting out on her high school NICA team, getting a taste of the international scene, racing as a Junior on the Bear National Team, and even co-creating her own team with her partner in 2021—before landing her first World Cup team contract in 2023.
Now a Paris 2024 Olympian and the current Elite National Champion in XCC, Savilia boasts 10 national titles, 2 U23 World Cup podiums, and 9 Elite World Cup podiums. But her drive doesn’t stop at the finish line.
Off the bike, Savilia is just as passionate about fueling the body and mind—she loves cooking, diving into nutrition, and exploring holistic wellness as a way to support performance and overall balance. Whether she’s training, racing, or experimenting in the kitchen, her mission is the same: to inspire others to find joy in movement and live well, however that looks for them.
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00:00 — Welcome back and training in Durango
01:26 — Two truths and a lie setup
03:43 — What has changed since the previous conversation
04:01 — Post-Olympic season reset and renewed motivation
05:27 — Why Savilia stayed in the United States for winter training
06:35 — What taking the off-season seriously looks like
08:13 — Building back with a slower, structured progression
10:50 — Off-season recovery for the body and mind
13:18 — Working with a sports psychologist
14:22 — A World Cup win and changes to her nutrition
16:29 — Why she stopped using caffeine for short track
18:51 — How caffeine affects athletes differently
20:22 — Sleep banking before race weekend
21:44 — Higher-carbohydrate fueling in the days before racing
22:52 — Pre-short-track meals and “multiple breakfasts”
24:22 — Topping off before the start with gels and bottles
26:10 — Recovery after short track and dinner planning
29:01 — Tart cherry choices and preferences
30:11 — Fueling on Saturday between races
31:46 — Sunday race timing for elite women
32:24 — Breakfast options on race morning
34:58 — Hydration and gel strategy during cross-country
36:17 — Gel and bottle products that work for Savilia
36:56 — What is next on the race calendar
39:37 — One key fueling tip for newer riders
40:42 — The two truths and a lie reveal
42:02 — Where to follow Savilia online
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In episode #198 host Kyla Channell talks with Adria Abella, the founder behind hDrop, the first reusable sweat-testing sensor. They break down how the device works, what it measures, and why sweat sodium, fluid loss, temperature, altitude, and intensity all matter for athletes trying to dial in hydration.
They discuss practical hydration targets, what the validation data says about accuracy and reliability, and how individualized sweat testing can help athletes avoid both underdrinking and overdrinking. Adria also shares real-world examples from UTMB, seasonal changes, and even one unexpected horse use case.
If you’ve ever struggled with cramps, guessed how much to drink during training, or wondered whether your hydration plan is actually working, this conversation offers practical insight into using sweat data to make better decisions.
KEY TAKEAWAYS
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT ADRIA ABELLA, HDROP FOUNDER:
Adria Abella Villafranca is Co-Founder of hDrop Technologies Inc., the company behind hDrop, a wearable hydration sensor designed to help athletes better understand sweat, hydration, and electrolyte-related data during training and competition. hDrop brings together engineering and sports science to make sweat testing more accessible outside traditional lab settings. Adria’s goal is to bring real-world sweat insights to endurance athletes and their coaches, so they can build more individualized hydration and fueling strategies.
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TIMESTAMPS
00:00 — Meet Adria Abella and the first sweat-test sensor guest
02:23 — Why tennis cramps led to questions about hydration and sodium
06:12 — How a mechanical engineering project became hDrop
07:47 — What the hDrop sensor measures and where it is worn
09:28 — Why sensor placement changes the algorithm
10:27 — The gold standard for sweat sodium measurement
11:32 — Validation results: 92% sweat-loss accuracy and 87% sodium-loss accuracy
13:26 — Why reliability matters as much as accuracy
15:26 — Using calibration to handle outliers in real-world athletes
18:19 — Why clothing, humidity, and temperature can change sweat data
20:08 — Breathing losses at altitude and dry conditions
21:00 — How race season variables shift sweat rate and sodium trends
22:23 — Individual differences in sodium losses and intensity effects
24:17 — Broad trends by altitude, temperature, and month
25:16 — Exploring menstrual cycle and pregnancy data
27:09 — Differences in sweat response across sports
30:31 — Phone, Garmin, Hammerhead, and Wahoo integrations
32:08 — Live alerts for fluid loss and sodium loss
33:06 — Why small sips with sodium and glucose work best
34:28 — Why 80% replacement is safer than trying to replace everything
36:27 — What elite UTMB athletes tend to look like in the data
38:45 — Dehydration tolerance, cardiovascular strain, and elite performance
39:56 — Genetics, heat adaptation, and cooling strategies
41:37 — Sauna use, heat adaptation, and sodium concentration changes
42:50 — The two truths and a lie reveal
43:03 — The horse use case
44:44 — Testing nearly 100 athletes at UTMB and showing live changes
47:05 — Where to find hDrop and what’s next at Big Sugar
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In episode #197 host Kyla Channell is joined by Dr. Emily Lantz, assistant professor at the University of Texas Medical Branch, for a practical conversation about how muscle responds to age, disuse, sleep loss, and protein intake. The episode focuses on what actually helps preserve or rebuild muscle, especially in middle-aged and older adults, aging women, and athletes recovering from inactivity or injury.
KEY TAKEAWAYS
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT DR. EMILY LANTZ:
Dr. Emily Lantz is an Assistant Professor in the Department of Nutrition Sciences and Health Behavior in the School of Health Professions at the University of Texas Medical Branch. She has a Bachelor of Science in Agricultural Biochemistry from Iowa State University, a PhD in Nutrition Science from Purdue University. She completed a postdoctoral fellowship in skeletal muscle metabolism from the Division of Rehabilitation Science University of Texas Medical Branch.
Dr. Lantz’s research interest broadly focuses on two main themes: i). the effects of physical inactivity on skeletal muscle mass and functional capacity in middle-aged and older adults, with an emphasis on aging women and ii). the application and mechanism of action of amino acid and protein consumption on acute markers of anabolism e.g., muscle protein synthesis.
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TIMESTAMPS
00:00 - Introduction to Dr. Emily Lantz and her research focus
02:24 - Her research arc: aging, disuse, protein quality, and sleep
04:37 - Sleep loss and reduced muscle protein synthesis
06:33 - Midlife muscle loss and sex differences across aging
08:30 - How much muscle older adults lose during seven days of bed rest
10:03 - Whey protein during bed rest and faster strength recovery
14:58 - What protein quality means and how it is measured
18:32 - Plant proteins, amino acid pairing, and meal timing questions
21:46 - Satiety, meal volume, and the challenge of plant-based protein targets
24:45 - Beef vs soy-based meat alternatives and muscle protein synthesis
27:35 - Protein dose response and the 25 to 30 gram per meal target
30:19 - Distributed protein intake vs skewed intake across the day
31:47 - Where extra protein goes and a realistic approach to eating
34:10 - Leucine, branched-chain amino acids, and why leucine alone is limited
35:43 - The leucine dose used in the bed rest study
36:53 - Do older adults need more leucine or just more protein overall?
39:47 - What Dr. Lantz is working on next: sleep, midlife women, and cardiometabolic health
41:13 - Protein strategies for injured athletes with immobilized limbs
43:27 - Two truths and a lie reveal
44:10 - The James Webb telescope story
45:24 - The two continents Dr. Lantz has not visited yet
46:17 - Where to find Dr. Lantz and her publications
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In episode #196 Pete Kostelnick joins Kyla to break down one of the most demanding races in the sport, Badwater 135, and the practical fueling, hydration, and heat acclimation strategies that help him handle it. He also shares how his approach has evolved over years of ultra running, from protein during races to a more race-specific nutrition plan.
In this interview: Pete shares what Badwater is really like, how he trains for the heat, what he eats and drinks per hour, and how he recovers after going 135-plus miles through Death Valley.
KEY TAKEAWAYS
Please note that this podcast is created strictly for educational purposes and should never be used for medical diagnosis or treatment.
ABOUT PETE KOSTELNICK:
Pete Kostelnick is a record-setting ultrarunner and one of the world's premier endurance athletes. In 2016, he broke the 36-year-old U.S. transcontinental running record by covering 3,067 miles from San Francisco to New York City in 42 days, averaging more than 72 miles per day. In 2018, he became the first person to complete a self-supported run from Alaska to Florida, traveling 5,384 miles while pushing all of his food and gear in a stroller.
Pete is a two-time Badwater 135 champion (2015 and 2016), setting a course record in 2016, and returned in 2025 to finish third overall less than two years after surviving a near-fatal car crash. This year in 2026 he scored another top 10 finish at Badwater, also known as the world’s toughest footrace. He has represented Team USA at the IAU 24-Hour World Championships and owns personal bests of 13:57 for 100 miles and 163.68 miles in 24 hours.
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TIMESTAMPS
(00:00) Two truths and a lie with Pete Kostelnick
(02:19) A tenth Badwater start and what made this year fast
(03:10) What Badwater is and why it is so extreme
(05:01) Racing in Death Valley heat and on paved roads
(06:42) Heat training with long runs in the sun
(08:33) Adding layers to simulate more heat stress
(09:07) Hydration strategy and sweat-driven fluid needs
(10:14) Electrolytes per hour and avoiding stomach blowups
(12:12) Why this year’s field was so competitive
(13:31) Smarter pacing, better shoes, and better nutrition
(14:39) Crew support, aid frequency, and the Badwater logistics
(16:11) How his crew keeps fueling seamless every 15 minutes
(17:26) Building a 30-minute nutrition schedule for 24 hours
(18:23) Why he shifted away from more solid food
(20:03) The exact products Pete rotates during Badwater
(21:00) Managing a very high caffeine intake
(22:21) What caffeine does and why it is hard to study in ultras
(23:53) Feeling strong early, then overheating late
(25:12) Why the sun shirt may have been a mistake
(26:22) Comparing past singlets and thinner long sleeves
(27:31) Gear design, breathability, and evaporative cooling
(28:13) Estimating calorie burn versus intake
(29:46) Post-race hunger and what recovery demand feels like
(30:36) Carb loading, tapering, and race morning breakfast
(32:46) Napping on race day before a 10 PM start
(33:48) Finish-line appetite and craving savory food
(35:17) How he gauges recovery after Badwater
(37:41) Recovery boots, protein, and simple post-race nutrition
(39:39) Advice for first-time 100 milers
(40:35) Rethinking protein during long races
(42:29) The lie reveal and Pete’s mileage goals
(43:52) Upcoming goals: Desert Solstice and shorter PR attempts
(45:00) Where to find Pete online and his coaching update
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The Nutritional Revolution (NR) podcast was created by founder Kyla Channell to bridge the gap between everyday nutrition advice and the specialized fueling strategies endurance athletes need to…
Kyla believes that anyone, regardless of age, weight, or current challenges, can make meaningful changes to improve their health, enhance performance, and move closer to their goals with the right education, support, encouragement, and guidance.
On this podcast, we go beyond food and nutrition to uncover the evidence-based strategies that help athletes perform, recover, and live healthier, more fulfilling lives.

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