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Race Discovery › Running › 10K › United States › Colorado

10K races in Colorado, United States — 2026 running calendar

133 events found

Running Trail running

10k Running United States Colorado

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1

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Running Trail running

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Cycling Gravel biking Mountain biking

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Winter sports

Nordic ice skating Skiing

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Walking Adventure race Obstacle race Wheelchair

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5K 10K Half-Marathon Marathon Ultra

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Finishers at the most recent edition with results.

Under 100 100 – 500 500 – 1,000 1,000 – 2,500 2,500 – 5,000 5,000 – 10,000 10,000 – 25,000 25,000+

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2026 C.O.P.S. WINTER RACE SERIES

Golden, Colorado, United States

2026 C.O.P.S. WINTER RACE SERIES

Golden, Colorado, United States

Jan 7, 2026 (Wed) – Apr 30, 2026

1 2 ... 5 6 7 8 9 10 11 12

Race Discovery — The Ultimate Global Race Finder & Results Tracker

Sports

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