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Race Discovery › Trail running › 10K › United States › Colorado

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

13 events found

Running Trail running

10k Trail running United States Colorado

Sport

1

All running

Running Trail running

All cycling

Cycling Gravel biking Mountain biking

Multisports

Triathlon Duathlon Swimrun Aquabike

Water sports

Swimming Paddle sports

Winter sports

Nordic ice skating Skiing

Other sports

Walking Adventure race Obstacle race Wheelchair

Distance

5K 10K Half-Marathon Marathon Ultra

Race size

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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Durango Brewer's Trail Series

Durango, Colorado, United States

Durango Brewer's Trail Series

Durango, Colorado, United States

Jun 4, 2026 (Thu) – Jul 30, 2026

1 2

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Running
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Swimming

Distances

5K
10K
Half-Marathon
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