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10K Races in Colorado

  1. Races by State
  2. Colorado
  3. 10K

Browse 10K races in Colorado, including upcoming races and races up to one year past their event date. Sort by highest rating or number of reviews to elevate the most popular races.

For each 10K race, you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing 10K races in Colorado

All-Out Summer Breeze Half Marathon
Arvada, CO | Jun 13, 2026

OVERALL

(0 ratings)

0
Garden of the Gods 10 Mile, 10K & Trail Run
Colorado Springs, CO | Jun 14, 2026

OVERALL

(6 ratings)

4.8
Red, White and Brew Race (CO)
Windsor, CO | Jun 20, 2026

OVERALL

(0 ratings)

0
Boulder Sunrise Run
Boulder, CO | Jun 28, 2026

OVERALL

(0 ratings)

0
Dog Days Half Marathon
Westminster, CO | Jul 11, 2026

OVERALL

(0 ratings)

0
Audi Power of Four Trail Run
Snowmass Village, CO | Jul 18, 2026

OVERALL

(0 ratings)

0
Summer Splash Prairie Dog Half Marathon Castle Rock
Castle Rock, CO | Jul 18, 2026

OVERALL

(3 ratings)

3.3
All-Out Runapalooza
Arvada, CO | Aug 8, 2026

OVERALL

(1 rating)

4
Run the Rockies Trail 5K, 10K & Half Marathon
Frisco, CO | Aug 8, 2026

OVERALL

(0 ratings)

0
Summer Sizzler Denver
Westminster, CO | Aug 8, 2026

OVERALL

(0 ratings)

0
Into the Hills Eltuck 10K
Fort Collins, CO | Aug 11, 2026

OVERALL

(0 ratings)

0
Boulder Rez Marathon
Boulder, CO | Aug 15, 2026

OVERALL

(4 ratings)

4.5
Cheyenne Mountain Run
Colorado Springs, CO | Aug 15, 2026

OVERALL

(0 ratings)

0
Mt. Sneffels Half Marathon & 10K
Ridgway, CO | Aug 15, 2026

OVERALL

(1 rating)

3
Westminster Night Trail Race
Westminster, CO | Aug 15, 2026

OVERALL

(0 ratings)

0
Leadville 10K Run
Leadville, CO | Aug 16, 2026

OVERALL

(1 rating)

5
Pioneer Prairie Dog Half Westminster
Westminster, CO | Aug 23, 2026

OVERALL

(2 ratings)

2.5
Rock Hawk Trail Races
Castle Rock, CO | Aug 29, 2026

OVERALL

(0 ratings)

0
10K at 10,000 Feet
Jackson County, CO | Sep 6, 2026

OVERALL

(0 ratings)

0
Labor Day Half Marathon
Parker, CO | Sep 7, 2026

OVERALL

(0 ratings)

0

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