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Welcome to the Endurance Race Series! 
Here you will find all the gear you need to show your support for Colorado's Largest Trail Race Series, and San Diego's fastest growing trail runs
The ERS is home to 15 different trail race events including both Colorado and Southern California. Whether a competitive trail racer, an avid runner, or a trail beginner, our trail races have what you need...
Challenging yet beginner friendly race courses, great views, a family friendly atmosphere, and post race event festivals that keep the party going all morning long!!  
We hope you enjoy our gear...
Find out more about the series... www.enduranceraceseries.com