1 hr 18 min
When to Switch from Running to Walking to Maximize Ultramarathon Performance with Jackson Brill | Koopcast Episode 108 KoopCast
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- Running
Information on coaching-
https://www.trainright.com
Koop’s Social Media
Twitter/Instagram- @jasonkoop
Information on coaching-
https://www.trainright.com
Koop’s Social Media
Twitter/Instagram- @jasonkoop
1 hr 18 min