M - F : 9am - 5pm


Coaching and Training

The Griggs Orthopedics’ Coaching Team is made up of world class athletes, who have raced themselves and know what it takes to get you at your best!


shari-marshall-sullivanShari Marshall-Sullivan

My passion for running began at the age 10 when I would be dragged out of the house for short runs by one of my brothers.  His persistence paid off as I made a name for myself in the Minnesota running scene during high school and college. Throughout the years, running became as important as sleeping and eating to help strike a life balance as a wife, mom, teacher, and friend. I have run the trails of Crested Butte for over two decades, spent two years exploring the trails in Panama both urban & natural, and am now back on the trails of Gunnison County.. more >>



Travis Macy 

Helping athletes reach their goals in racing and life fuels my fire, and I’d be honored to coach you in ultra running, trail running, mountain biking, adventure racing, ski mountaineering, and/or obstacle course racing (OCR).. more >>


Jenny Smith

Coach Jenny Smith lives in Gunnison, Colorado with her husband Brian and their daughter Jade. Jenny and Brian combine their professional and family life with their elite athlete lives. She specializes in endurance sports performance and in particular coaching for cycling, mountain biking, running and triathlon.

Jenny is a New Zealand trained primary teacher, a certified USA Cycling Coach, has an American council exercise personal training certification and has coached for the Western State Colorado University Cycling Team…more

gO Performance LogoMISSION

We educate, inspire and develop athletes of all ages and abilities in mountain sports by providing financial support and opportunities for a strong body and mind through functional fitness, guidance and achievement.

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P: 970.349.5103
F: 970.349.5105
A: 433 Sixth Street
Crested Butte, CO 81224

Monday - Friday : 9am - 5pm

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