1 ultra event in Westminster, Colorado

From big races to Saturday morning group runs—find ultra events and connect with the local endurance sports community.

• Westminster Trail Races [aravaiparunning.com] [Register at ultrasignup.com]
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  Sat, Aug 15, 2026

  5k 10k 35k 50k Half Marathon Trail Ultra

  10020 100th Ave, Westminster, Colorado, 80021, United States
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