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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

ENDURE Trail Runs
Divide, CO | May 17, 2025

OVERALL

(0 ratings)

0
Samson’s Revenge
Estes Park, CO | May 17, 2025

OVERALL

(0 ratings)

0
Steamboat Springs Spirit Challenge
Steamboat Springs, CO | May 17, 2025

OVERALL

(0 ratings)

0
BOLDERBoulder
Boulder, CO | May 26, 2025

OVERALL

(8 ratings)

4.5
Colorado 13er
Louisville, CO | Jun 1, 2025

OVERALL

(1 rating)

5
Crazy Legs 10K+ Trail Run
Loveland, CO | Jun 1, 2025

OVERALL

(0 ratings)

0
Steamboat Marathon, Half Marathon & 10K
Steamboat Springs, CO | Jun 1, 2025

OVERALL

(7 ratings)

4.4
Go Pro Mountain Games Trail Races
Vail, CO | Jun 6–8, 2025

OVERALL

(0 ratings)

0
All-Out Summer Breeze Half Marathon
Arvada, CO | Jun 7, 2025

OVERALL

(0 ratings)

0
Garden of the Gods 10 Mile, 10K & Trail Run
Colorado Springs, CO | Jun 8, 2025

OVERALL

(4 ratings)

4.8
Father’s Day Classic
Arvada, CO | Jun 15, 2025

OVERALL

(0 ratings)

0
Hometown Half Marathon Denver
Westminster, CO | Jun 21, 2025

OVERALL

(0 ratings)

0
Red, White and Brew Race (CO)
Windsor, CO | Jun 21, 2025

OVERALL

(0 ratings)

0
Hometown Half Marathon Colorado Springs
Colorado Springs, CO | Jun 22, 2025

OVERALL

(0 ratings)

0
Boulder Sunrise Run
Boulder, CO | Jun 29, 2025

OVERALL

(0 ratings)

0
Dog Days Half Marathon
Westminster, CO | Jul 12, 2025

OVERALL

(0 ratings)

0
Audi Power of Four Trail Run
Snowmass Village, CO | Jul 19, 2025

OVERALL

(0 ratings)

0
Summer Splash Prairie Dog Half Marathon Castle Rock
Castle Rock, CO | Jul 19, 2025

OVERALL

(2 ratings)

3.5
Boulder Rez Marathon
Boulder, CO | Aug 2, 2025

OVERALL

(3 ratings)

4.3
Runapalooza 5K, 10K and Half Marathon
Arvada, CO | Aug 2, 2025

OVERALL

(0 ratings)

0

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