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Jason Koop Archives - American Trail Running AssociationAmerican Trail Running Association
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Jason Koop leads an ultramarathon training revolution — ATRA
trailrunner.com
Jason Koop makes his highly effective ultramarathon training methods available to ultrarunners of all abilities in his new book.
Four myths about ultra running that you need to know - SuuntoSuunto
www.suunto.com
Ultra running coach and author Jason Koop breaks down widely held misbeliefs about ultrarunning. › sports
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www.suunto.com
Carmichael Training Systems coaches Jason Koop and Nick White know a thing or two about how runners can improve their performance.
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