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The Endurance Race Series is the home of nine (9) different trail race events extending from the Colorado front range to the mountains. Whether a competitive trail racer, an avid runner, or a trail beginner, our trail races have what you need.

This app lists all of our event information, sponsors, race courses, and much more. You even have the opportunity to register for our races through this app

Whether you are looking for a stroll in the park (Longmont), some scenic single track (Snow Mountain Ranch), or a challenging hill course (Black Hawk). the Endurance Race Series prides itself on offering Colorado's BEST 5K, 10K, and Half Marathon Courses.

Every event within the Endurance Race Series offers race distance options, great course support, kids races, and finish line festivities that the entire family can enjoy with music, raffles, food, and plenty of beer and wine