Colorado 10K Races

A 6.2-mile step up that rewards steady pace and a bit more training across Colorado's Rocky Mountains. Find upcoming 10K races near you on RaceCenter.

Filter by

Arvada

November 21, 2026

10k Turkey TREK

5K

10K

Broomfield

November 26, 2026

Broomfield Turkey Day 5k

5K

10K

Louisville

January 17, 2027

Colorado Cold Rush 5k/10k

10K

5K

Colorado Springs

February 6, 2027

Stories Trail Runs

10K

Half Marathon

20 Mile

Highlands Ranch

February 28, 2027

Highlands Ranch 5k/10k

10K

5K

Westminster

Erin Go Bragh 7.77k

10K

Fruita

Desert Rats Trail Running Festival

100K

50K

Ultramarathon

10K

21K

Arvada

Spring Fling Prairie Dog Half Marathon 10K & 5K

5K

10K

Half Marathon

Colorado Springs

Rattler Trail Races

10K

25K

50K

Ultramarathon

Loveland

NoCo Half Marathon & 10K

Half Marathon

10K

Westminster

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

5K

10K

10 Mile

Endure Trail Runs

12 Hour

Ultramarathon

10K

Half Marathon

Marathon

Boulder

BOLDERBoulder 2027

10K

Boulder

5K

Half Marathon

10K

Granby

Summits Trail Runs

10K

Half Marathon

50K

Marathon

Ultramarathon

Red, White and Brew 5k, 10k & Half Marathon

10K

5K

Half Marathon

Arvada

Father's Day Classic

5K

1 Mile

10K

Loveland

Timberview Trail Run

10 Mile

10K

5K

Louisville

Let Freedom Run - Louisville

5K

10K

Castle Rock

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

5K

10K

Half Marathon

Leadville

August 15, 2027

Leadville Trail 10K

10K

Westminster

August 22, 2027

Pioneer Prairie Dog Half Marathon, 10K & 5K

5K

10K

Half Marathon

Denver

August 28, 2027

Rock Hawk Trail Races

10K

5K

25K

50K

Ultramarathon