From Navy Diver to World Record Holder: Rob Sembiante’s Grit in Life & Leadville!What does it take to finish the legendary Leadville 100 in under 24 hours—with just 4 minutes to spare? In this episode of the Mean Grit Podcast, I sit down with Rob Sembiante, an ultra-endurance athlete, Navy veteran, real estate investor, and e-commerce entrepreneur who has built his life on one principle: bet on yourself.Rob’s story takes us from the Navy SEAL pipeline to crewing across America, to setting a world record for the fastest 100-mile race in Antarctica, and finally to conquering the Leadville 100. Along the way, he shares:How failing BUD/S training reshaped his perspective on grit and disciplineWhy voluntary suffering makes the rest of life easierThe chaos of pooping 14 times during Leadville (and still clawing back to sub-24 hours!)The mindset of “never leaving the race” that fuels his successWhy discipline—not emotion—is the foundation of gritBalancing personal glory with the fulfillment of crewing and supporting othersWhether you’re an endurance athlete, entrepreneur, or someone chasing big goals, Rob’s story is a masterclass in resilience, risk-taking, and relentless discipline.Chapter Breakdown:0:00-2:20 Introducing Rob Sembiante2:21-4:08 Preparing for a sub 24 hour Leadville w/ Mike McKnight4:09-7:45 Fears, Limits, & Assessing Risk7:46-12:49 A World Class Crew Chief12:50-14:59 Rob's Definition of Grit15:00-23:55 The Leadville 100 Recap24:00-27:15 Seeing Friend, Pros, & Finishing Strong27:16-28:56 Advice to Live By🚨 What does grit mean to you? Drop your thoughts in the comments!👍 Like, 💬 Comment, and 🔔 Subscribe for more stories of grit, endurance, and ordinary people doing extraordinary things.#Leadville100 #UltraRunning #MeanGritPodcast #RobSembiante #Grit