10K Races in Colorado
Find upcoming 10k races in Colorado — with dates, locations, and direct registration links.
93 upcoming 10k races found in Colorado
Upcoming 10K Races in Colorado
5K Registration10K Registration
SuperHeroes Run 5K/10K/13.1 DENVER/AURORA
Jun 6, 2026
Centennial, CO
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5K Registration10K Registration
Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA
Jun 6, 2026
Centennial, CO
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13er10k
Colorado 13er (Half Marathon/10k/5k)
Jun 7, 2026
Louisville, CO
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MarathonHalf Marathon
The Steamboat Marathon
Jun 7, 2026
Steamboat Springs, CO
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5K10K
DU Dash Colorado
Jun 7, 2026
Palmer Lake, CO
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5K10K
Treat Trot Denver
Jun 13, 2026
Denver, CO
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Kids Dash1 Mile
Treat Trot - Denver
Jun 13, 2026
Thornton, CO
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Half Marathon10K
All-Out Summer Breeze
Jun 13, 2026
Arvada, CO
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10k Run (Timed)5K Run (Timed)
The Bullfrog Splashdown
Jun 14, 2026
Littleton, CO
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10 Mile10K
Garden of the Gods 10 Mile/10K and Trail Run
Jun 14, 2026
Colorado Springs, CO
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5K10K
Treat Trot Colorado Springs
Jun 14, 2026
Colorado Springs, CO
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5K Registration10K Registration
Sloth Run 5K/10K/13.1 DENVER/AURORA
Jun 20, 2026
Centennial, CO
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5K Registration10K Registration
Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA
Jun 20, 2026
Centennial, CO
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5k run or walk10k run or walk
Red, White and Brew 5k, 10k & Half Marathon
Jun 20, 2026
Windsor, CO
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10k5k
Father's Day Classic 10k, 5k, & 1 Mile
Jun 21, 2026
Arvada, CO
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40 Mile -ish Mountain Bike26 Mile -ish Mountain Bike
Race in the Clouds - Alma Dirt Festival 2026
Jun 25, 2026
Alma, CO
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10k5k
SBT TRL
Jun 27, 2026
Steamboat Springs, CO
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10K
10K - Youth 17 & Under
Jul 4, 2026
Breckenridge, CO
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5k10k
Let Freedom Run 5k/10k - Louisville
Jul 4, 2026
Louisville, CO
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10K
10K - Individual Adult
Jul 4, 2026
Breckenridge, CO
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5K Registration10K Registration
Run for Chocolate 5K/10K/13.1 DENVER/AURORA
Jul 4, 2026
Centennial, CO
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5K Registration10K Registration
July 4th Run 5K/10K/13.1 DENVER/AURORA
Jul 4, 2026
Centennial, CO
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Half Marathon10K
All-Out Dog Days
Jul 11, 2026
Westminster, CO
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10K
Berthoud Gastro-Dash 10k
Jul 18, 2026
Berthoud, CO
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Half Marathon10k
Summer Splash Prairie Dog Half, 10k, & 5k
Jul 18, 2026
Castle Rock, CO
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50K Run25K Run
Audi Power of Four Trail Run
Jul 18, 2026
Aspen, CO
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5K Registration10K Registration
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Jul 25, 2026
Centennial, CO
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5K Registration10K Registration
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Jul 25, 2026
Centennial, CO
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5K10K
Popsicle 5K/10K/Half Marathon -Colorado Springs
Aug 1, 2026
Colorado Springs, CO
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5K5K-No Shirt
Popsicle 5K/10K/Half - Colorado Springs
Aug 1, 2026
Colorado Springs, CO
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