Our Coaches

Adam Mills Source Endurance Coach

Adam Mills

Level 1 USA Cycling Coach with a long history of clients earning national championships. Masters Degree in Exercise Science and former UCI Director Sportif. He’s also a USAC Coach Educator

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Kristen Arnold Cycling Coach Headshot

Kristen Arnold

Kristen is now a level 1 USA Cycling coach as well as a Registered Dietitian specializing in sports nutrition and the Junior Women’s Road Director for USA Cycling

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Zack allison cycling coach headshot

Zack Allison

Zack Allison BSEd in Exercise Science, races full time, coaches full time. Has mentored athletes of all abilities and disciplines to success

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“I’ve been on this program for almost a year.You’ve made me a strong rider, no doubt.But thanks for really driving some thinking and patience into my training and racing.I’m really looking forward to what comes next!”

-Gordon Richardson. Houston, TX

Taylor Warren Source Endurance Coach

Taylor Warren

Taylor calls San Diego home where he works in a bike shop performing bike fits, trains to meet the demands of the US Pro Road Tour calendar, and applies the latest sports science to the athletes he coaches including himself. At the core of his coaching, Taylor believes balancing life demands with the eustress of training, while keeping the process fun, is the key to progression and a lifelong passion for health and fitness.

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Matt Hill Coach

Matthew Hill

Matthew Hill is a Category 1 bike racer in the Road, Cyclocross, and Mountain Bike disciplines. He counts among his accomplishments 2 national championships, many district championships, and over 100 victories in races across disciplines.

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Nikki Peterson

Nikki believes that the key to reaching goals on the bike lie in keeping riding fun while pushing limits. She is excited to help clients reach their full potential while juggling life’s demands.

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Grant Harrison Cycling Coach Headshot

Grant Harrison

Grant Harrison, MS Grant earned a Master of Science- Exercise Physiology at the University of Wisconsin-La Crosse and began coaching with Source Endurance in 2011. Grant combines his formal education with almost 20 years of racing…

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