Aleksandr Sorokin ran 198.6 miles, the equivalent of nearly eight marathons, in a single day. We talked to the athletes and scientists pushing the limits of human endurance to find out why that's so hard to do. It turns out six variables have to be perfectly aligned to break a distance-running world record. They include a metric called VO₂ max, cutting-edge footwear, and the athlete's mindset. We looked at all of them. For more info: @wutsaialliance on X, BlueSky, and Instagram @Wu Tsai Human Performance Alliance on LinkedIn Also read "The ultramarathon legend who ran 350 miles nonstop says the key to doing hard things is simpler than most people think": bit.ly/4yrFbRr 00:00 - Intro 01:16 - VO₂ Max 05:06 - Form 08:38 - Footwear 13:04 - Fuel 17:00 - Environment 20:05 - The Mind 24:17 - How Far Can a Human Run? 27:38 - Credits ------------------------------------------------------ #running #sports #marathon #athletics #endurancerunning #pushinglimits WATCH MORE: Why Fully ...