What Actually Destroys Ultrarunners Late in a Race and How To Fix It.

👉 Subscribe for more no-fluff ultramarathon training content. The runners who blow up at mile 60 aren't undertrained — they're under-strengthened. In this video, I break down the exact gym routine I use to build the durability that keeps your legs absorbing impact deep into an ultra: 10 exercises, exact sets and reps, and the reasoning behind each one (single-leg strength, eccentric downhill prep, posterior chain, calves, and core/balance work). Two sessions a week, 30–45 minutes each — no bodybuilding required. Plus: how this routine shifts across your training year, from base building through peak mileage and taper.