759. JFK 50 Miler, Everest and 6 Day Updates | Endurance News 11.21.20

@USAultrarunning Congratulations to @Hawks1Hayden for his new course record win at the #JFK50 in 5:18:43 (unofficial), topping @walmsleyruns record of 5:21:29. @AltraRunning @outsidemagazine Warmer temperatures will increase a person’s maximum oxygen uptake by up to 4.9 percent at the top of Everest, making it feel like being at a lower altitude. @USAultrarunning taking the win at the #JKF50. The 24 Hour World record holder finished in 6:31:19 (unofficial).No surprise here with @runcamille Endurance News & Random Musings Stay Healthy. Be Boring. Not Epic.