Discover The Best 10K Races in Colorado

Browse our listing of 10K events in Colorado to find one near you.

upcoming 10K races in Colorado

Stories Trail Runs

February 21, 2026

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Colorado Springs

Highlands Ranch 5k/10k

February 22, 2026

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Highlands Ranch

Erin Go Bragh 7.77k

March 14, 2026

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Westminster

Desert Rats Trail Running Festival

April 9, 2026

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Fruita

Spring Fling Prairie Dog Half Marathon 10K & 5K

April 12, 2026

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Arvada

Rattler Trail Races

April 18, 2026

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Colorado Springs

Colorado Women's Classic 10 Miler, 5k/10k

May 10, 2026

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Westminster

Endure Trail Runs

May 16, 2026

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BOLDERBoulder 2026

May 25, 2026

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Boulder

Summits Trail Runs

June 6, 2026

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June 7, 2026

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Boulder

Father's Day Classic

June 21, 2026

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Arvada

Let Freedom Run - Louisville

July 4, 2026

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Louisville

Summer Splash Prairie Dog Half Marathon, 10k & 5k

July 18, 2026

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Castle Rock

Leadville Trail 10K

August 16, 2026

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Leadville

Pioneer Prairie Dog Half Marathon, 10K & 5K

August 23, 2026

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Westminster

Rock Hawk Trail Races

August 29, 2026

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Denver

Cirque Series Arapahoe Basin

September 5, 2026

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Breckenridge

Boulderthon, presented by PUMA

September 27, 2026

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Boulder

2026 SKECHERS Hot Chocolate Run - Denver

October 4, 2026

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Denver

See all races →

featured events

Yakima River Canyon Marathon and Half-Marathon

Mar 28, 2026

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Yakima

Corvallis Half Marathon & 5K

Apr 11, 2026

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Corvallis

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