American Ninja Warrior Jessie Graff trains hard. "Your body can only take so much impact a week." That's why she got an Endless Pool for low-impact aquatic workouts. "This is kind of the perfect solution!"
Fastest 50K on a treadmill. Fastest marathon while dressed as Elvis. Fastest time completing 7 marathons in 7 days on 7 continents. These World Records are all held by one man. So how'd he do on the Endless Pools Underwater Treadmill?