This week's episode was such a joyful treat! The main training topic involved understanding training intensity in the context of heart rate drift, where the heart rate rises across an activity. That's especially important for improving aerobic threshold over time, a key to performance at all distances! We also talked about our new FAVORITE STUDY OF ALL TIME, on how the microbiome may influence motivation via dopamine levels in the brain. It's a mouse study that could have profound implications for how we understand human health in the future, including gut health practices. You know we're all about that RAT NEWS. Other topics: a study on Strava as a social network, a fascinating analysis of what led to underperformance in a world-class athlete and how they rebounded out of that valley, the adaptation importance of balancing stress and eating enough always, "The Last Of Us" showing how athletic supplements can turn people into zombies, why it's fine to drop lots of balls in life, and 3 parenting reflections coming up on 3 months.
We also unveil the most important snack revelation you'll ever hear. BUTTER TUBS FOR ALL!
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137. Heart Rate Tips, WILD Science on Microbiome and Motivation, and Enhancing Adaptations!

Five to ten topics, sometimes about running, with lots of love and enthusiasm and science. We dig deep into training, races, studies, pop culture, and much more! With Megan Roche, M.D. and David Roche!

Sports

Running

We ate a bag of performance waffles to get ready for this awesome episode! The first topic was a follow-up on the controversy about a gel that may have mislabeled its calorie count. We discuss emails from listeners that provide more context, along with what it might mean for food labeling generally. It's a wild, wild world out there!
The main training topic was Courtney Dauwalter's race-day nutrition, which she discussed in a recent interview. The GOAT says she only consumes 200 calories per hour during races, well below most other elite athletes. What are we seeing? We dive into metabolic variance, and how that might be relevant based on gender and background. There is lots of wiggle room to find what works for you! Become one with the slurp.
And there were so many other great topics! Other topics: how often nutrition labels might be misleading, what we predict will happen next in the controversy, strange body connections via David's post-crash experience, practicing competition in training, pre-training meals, why Vafels are our new favorite pre-training fuel, case studies on race-day fueling numbers, a fun study on "grounding" science, the 10k world record, the Pre Classic mile and how trash talk is making track more fun, David's experience with sodium bicarbonate prior to intense workouts, why frivolous pursuits are meaningful, a survey on sleeping in separate beds, Brooks' surprising new sponsored athlete (an actor!), and hot takes.
If you put this episode in a calorimeter, you'd see that it has enough energy to power a spaceship! Just don't check our math on that.
We love you all! HUZZAH!
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208. Gel Controversy Grows, Courtney's Nutrition Strategy, Fueling Case Studies, World Record 10k, Trash Talking on the Track, and A Meaning of Life!

We gathered liquid courage (chugging from a gallon of chocolate milk) for this great episode! The main training topic comes from the world of track, where athletes are probing the limits of human physiology. Because the margins separating athletes on the track are so small, there are takeaways for all endurance performance. Raise the ceiling to raise the floor! Yes, raising the roof is making a comeback like it's 2002 again.
We also talked about the ongoing controversy about an energy gel's nutrition label, and whether the actual carbohydrate total is lower than stated. It's a conversation that stumbles toward enlightenment while careening into a few ditches along the way, trying to balance love and accountability. This conversation also includes our first ever sound effect. Big time! The gel controversy may not be awesome, but it's definitely interesting.
And we had some of the best topics to fill out the episode! Other topics: big hope for the bundle of cells, our core work routines and how we think about core training for athletes, a small-but-important study on ketones and reduced testosterone, aerobic v. mechanical adaptations, upcoming updates to Strava including an AI coaching feature, more AI thoughts, and hot takes. 
This episode is a wild journey! Grab your personal gallon of chocolate milk and let's ride.
We love you all! HUZZAH!
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207. Core Strength, Controversy in a Gel's Calorie Total, Track Coaching Takeaways, Ketones and Hormones, Big Hope, and Coaching AI!

We sat in a stew of uncertainty before recording this awesome (and healing) episode! The main training topic was a pair of studies looking at longevity outcomes in serious athletes. Extra-hard training seems to have longevity benefits compared to general population lifestyles, contrary to some warnings you might hear! Let's all plan on doing uphill treadmill runs in the nursing home.
The big conversation was in the spirit of sharing all of the ups and downs of life. TW: deep discussions of pregnancy uncertainty. Megan courageously shared her current health status, and how she is thinking about vulnerability in a tough time. Over the last 4 years of this podcast, we have opened up about everything, and our lives have opened up with so much love as a result. We got this, whatever "this" ends up being, even if it takes a while.
And we discussed so many of our favorite topics! Our theory is that talking about interesting things (and making jokes) is restorative. Other topics: Conan O'Brien's commitment to the bit, how the new Jim Walmsley video played a role in our weekend, fitness return after David's accident, caffeinated gels and fueling workouts, AI bots and how we think it may change human interaction as we know it, a new study on sodium bicarbonate and the placebo effect, the Cocodona 250 and multi-day ultras, Zwift's price increases, Emma Coburn's toughness, and hot takes.
There may even be a poetry reading at the end. Stick around to find out... If you dare!
On a day like today, we are even more thankful for the amazing listeners out there who give us strength and courage to wander through the darker forests along the way. We love you all! HUZZAH!
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206. Doing Hard Things, Longevity and Training, Fueling Short Workouts, The Power of Placebo, AI Bots, and Cocodona 250!

We celebrated a week with minimal life drama (YAY) before recording this great episode! The main training topic was a new study monitoring response v. non-response. Imagine two similar athletes who are given the the same training program. One could have breakthroughs, and one could face physical disaster. Why? We use the study to talk about how we have seen athletes respond differently, and ways you might be able to understand your own unique physiology. Training theory is such a cool window into how every body is different!
We also talked about metrics we track! Almost every watch has a treasure trove of data if you know where to look. For David, that data helped guide a non-linear post-crash recovery. For Megan, it helped reveal an unexpected pregnancy. For you, it could help you move through the uncertainty of things like response v. non-response with more confidence. Plus, we all love fancy graphs!
And this one was full of fun topics! Other topics: new bike day, a mystery about a signature, why we might want to remain skeptical about AI, 3 shoes we are reviewing, a new study on running economy variance and fatigue resistance in trained v. untrained runners, how combining strength training approaches may be helpful (with possible neuromuscular rationales), a new track league that promises to do everything differently, how questionnaire response rate may influence study outcomes, mixing creatine and caffeine and sodium bicarbonate, and uninformed horse thoughts. 
Stick around to the very end for a special Easter Egg from the editing process. We love you all! HUZZAH! 
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205. The Mystery of Training Non-Response, Strength Work Approaches, Health Metrics, New Bike Day, and Track Going Mainstream!

We got the surprise of our lives before recording this dazed-and-excited episode! The main topic was the Canyons 100k. It was Megan's dream race, and you may have seen... she did not start. We had some incredibly surprising news right before we boarded our flight to California for the race, and we process it in real-time on the episode. Hopefully the discussion and Megan's openness helps you deal with whatever big surprises you face in life!
Even though Megan didn't race, we cheered and crewed as ultra history was made at the race! This year's Canyons 100k had a performance for the ages from Katie Schide, plus a breakthrough from Rod Farvard, a selfless act from Drew Holmen, and so much more. We break down the dynamics, full of joy from seeing it all live! The big discussions revolve around training theory, fueling approaches, how cooling mattered even in temperate conditions, our complex thoughts on carb loading, hydration needs, and inspiration from the back of the pack.
And we brought a giddy, delirious energy to some awesome topics! Other topics: why we were so surprised by the big news, how Megan feels about it all, societal expectations in early pregnancy, Allie Ostrander's wonderful reflections on crying after races, continuous lactate monitors, the 776 Invitational's huge investment in women's track and what it might mean for the future of the sport, why it's bloodwork season and what people should test, the new ruling making non-competes unenforceable and how it's relevant for endurance sports, the TikTok ban, and hot takes.
Life comes at you fast. Maybe that's why we podcast fast! Knowing you all are along for the journey means so much to us. Into the great unknown we go! HUZZAH!
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137. Heart Rate Tips, WILD Science on Microbiome and Motivation, and Enhancing Adaptations!

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