Events for August 16, 2026

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Erie Half & 5K

Reliance Park 900 Weld County Road 1.5, Erie

Join us for the Erie Half and 5k! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. LOOK […]

Outdoor Divas Triathlon

Union Reservoir 461 County Road 26, Longmont

The Outdoor Divas Sprint Triathlon on August 21st, annually awarded best women's event in Colorado by Competitor Magazine, is the all women's triathlon you've been waiting for!  We intentionally keep […]

Race for Research 5K

Washington Park - Denver 701 S Franklin St, Denver

HOW THE RACE 4 RESEARCH STARTED Michele Plachy-Rubin was a young wife,  mother, and kindergarten teacher in the Denver Public Schools when she was diagnosed with brain cancer in December […]

Leadville Trail 10K

Leadville Race Series
Leadville 124 E. Sixth Street, Leadville

This out-and-back course uses the first and last 3.1 miles of the LT100 Run course, featuring paved and dirt roads. Held the weekend of the historic Leadville Trail 100 MTB, […]