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31 Running Colorado

Pat Mahan Memorial Foundation 5K - Wiggins, CO - genericImage-websiteLogo-256886-1781624642.1965-0.bQmw9c.jpg

Pat Mahan Memorial Foundation 5K

Wiggins, CO

Sun - Sep 27, 2026

Girls on the Run Rockies Boulderthon SoleMates 2026 - Boulder, CO - genericImage-websiteLogo-269326-1767723671.938-0.bPxvkx.png

Girls on the Run Rockies Boulderthon SoleMates 2026

Boulder, CO

Sun - Sep 27, 2026

Running > Marathon

Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado - Boulder, CO - genericImage-websiteLogo-276702-1772665214.0566-0.bPQlL-.png

Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado

Boulder, CO

Sun - Sep 27, 2026

Running > Half Marathon

Healthy Kids Running Series Fall 2026 - La Junta, CO

La Junta, CO

Sep 27, 2026 - Oct 25, 2026

2026 Center of the Nation Series - Day 2 (CO) - Sterling, CO - 0fe8efc4-838a-4820-8725-eb975da710d5.png

2026 Center of the Nation Series - Day 2 (CO)

Sterling, CO

Sep 29, 2026 - Sep 30, 2026

Running > Marathon, 10k, 5k, Half Marathon

Segment Traildown - Fort Collins, CO - genericImage-websiteLogo-262632-1757538136.6478-0.bOWEDy.png

Segment Traildown

Fort Collins, CO

Oct 1, 2026 - Dec 30, 2026

OUTLAST DENVER - Littleton, CO - genericImage-websiteLogo-274389-1770849020.1237-0.bPJql8.png

OUTLAST DENVER

Littleton, CO

Sat - Oct 03, 2026

Running > Obstacle Race

Camp 4 Coffee Cart to Cart 2026 - Crested Butte South, CO - d9580fdf-8d06-4c24-aa5a-fec57926953a.png

Camp 4 Coffee Cart to Cart 2026

Crested Butte South, CO

Sat - Oct 03, 2026

18th Annual Cedaredge Applefest 5k Run and Fitness wal - Cedaredge, CO - 008fdf70-1051-43d0-a297-0b8cbfa774a1.jpg

18th Annual Cedaredge Applefest 5k Run and Fitness wal

Cedaredge, CO

Oct 3, 2026 - Oct 4, 2026

Ethiorado 5K Run/Walk - Aurora, CO - genericImage-websiteLogo-288211-1786561634.7144-0.bQFmrI.jpg

Ethiorado 5K Run/Walk

Aurora, CO

Sat - Oct 03, 2026

The Ruff Run - A Colorado Dog Adventure Race

Loveland, CO

Sat - Oct 03, 2026 @ 8:00 AM

Running > Obstacle Race

Ethiopians 5K - Aurora, CO - running-12.png

Ethiopians 5K

Aurora, CO

Sat - Oct 03, 2026

Family Soccer 5k run - Aurora, CO - running-10.png

Family Soccer 5k run

Aurora, CO

Sat - Oct 03, 2026

Lafayette Music Fest -5K - 10K - Lafayette, CO - genericImage-websiteLogo-267683-1781552904.4928-0.bQmfCi.png

Lafayette Music Fest -5K - 10K

Lafayette, CO

Sat - Oct 03, 2026

OUTLAST DENVER

Littleton, CO

Sat - Oct 03, 2026 @ 08:00

Running > Trail

Colorado Springs Marathon - Colorado Springs, CO - CSM_Vert_Wevents_Pos.png

Colorado Springs Marathon

Colorado Springs, CO

Sat - Oct 03, 2026 @ 7:00 AM

Running > 5k, Half Marathon, Marathon

Featured

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Rolland Moore Park T&H 4K - Fort Collins, CO - genericImage-websiteLogo-291656-1789070746.1466-0.bQOW2A.png

Rolland Moore Park T&H 4K

Fort Collins, CO

Sun - Oct 04, 2026

Your Story Isn't Over 5k/10k/Kids 1-Mile - Littleton, CO - genericImage-websiteLogo-285945-1782852884.8445-0.bQrc0u.png

Your Story Isn't Over 5k/10k/Kids 1-Mile

Littleton, CO

Oct 7, 2026 - Oct 12, 2026

Running > 1 mile, 10k, 5k

Fall Foliage Fun Run - Salida, CO - genericImage-websiteLogo-292020-1789521305.9284-0.bQQE2z.jpg

Fall Foliage Fun Run

Salida, CO

Wed - Oct 07, 2026

Natalie R Color Run Test - Evergreen, CO - running-2.png

Natalie R Color Run Test

Evergreen, CO

Sat - Oct 10, 2026

Cookie Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-270827-1768499663.1178-0.bPAsNp.png

Cookie Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Oct 10, 2026

Running > 5k, 10k, Half Marathon, 1 mile

Faith & Blue 5K - Fort Morgan, CO - genericImage-websiteLogo-290527-1787841791.6235-0.bQKeZ_.png

Faith & Blue 5K

Fort Morgan, CO

Sat - Oct 10, 2026

ASDAsh 5K to Beat Tooth Decay - Aurora, CO - genericImage-websiteLogo-290585-1788400534.9734-0.bQMnow.png

ASDAsh 5K to Beat Tooth Decay

Aurora, CO

Sat - Oct 10, 2026

Cerox Championships - Frederick, CO - genericImage-websiteLogo-287801-1784932862.8138-0.bQy-N-.png

Cerox Championships

Frederick, CO

Sat - Oct 10, 2026

Breckenridge Road Marathon - Breckenridge, CO - BRM_LOGO.png

Breckenridge Road Marathon

Breckenridge, CO

Oct 10, 2026 - Oct 11, 2026 (7:00 AM)

Running > 10k, 5k, Half Marathon, Marathon

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Westy Half & 5k - Westminster, CO - 10.2021-Westy-Half.png

Westy Half & 5k

Westminster, CO

Sun - Oct 11, 2026 @ 8:00 AM

Running > 5k, Half Marathon

Durango Marathon - Durango, CO - genericImage-websiteLogo-269785-1765772981.4863-0.bPp461.png

Durango Marathon

Durango, CO

Sun - Oct 11, 2026

Running > Half Marathon, Marathon

The Moony Pride 5k - Fort Collins, CO - running-3.png

The Moony Pride 5k

Fort Collins, CO

Sun - Oct 11, 2026

Kitty Beanz Cat 5k - Aurora, CO - genericImage-websiteLogo-289672-1786942403.5482-0.bQGPpd.png

Kitty Beanz Cat 5k

Aurora, CO

Sun - Oct 11, 2026

hold for nutrition eeting - Colorado Springs, CO - trophy-300px.bMjMog.png

hold for nutrition eeting

Colorado Springs, CO

Wed - Oct 14, 2026