Conor Holt, aka Camille Herron's husband, and coach, interviews ultra running star, Zach Bitter after his world best 100 for off-road, setting a new Course Record at Tunnel Hill. His 12:08:36 (7:17/mile pace) is easily the fastest for 2018.
Steve Durbin
Zach Bitter sets a World's Best for 100 miles off road at Tunnel Hill. 12:08:36!
Updated: Mar 22, 2019
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