Zach Bitter

Zach Bitter is an American ultramarathon runner and coach renowned for his exceptional endurance and world record performances in long-distance running.
He holds multiple world records, including the 100-mile run on a track and the 12-hour run, showcasing his remarkable stamina and strategic pacing.
Bitter combines his competitive career with coaching, helping other runners improve their endurance and performance through tailored training programs.
He is widely respected in the ultrarunning community for his disciplined approach and breakthrough achievements in the sport.