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29 Running Colorado

Claim the Rock Invitational - Larkspur, CO - genericImage-websiteLogo-293378-1791071978.9482-0.bQWzBQ.png

Claim the Rock Invitational

Larkspur, CO

Mon - Oct 05, 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

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

Fall Foliage Fun Run

Salida, CO

Wed - Oct 07, 2026

Intermountain League XC Meet 2026 - Durango, CO - running-2.png

Intermountain League XC Meet 2026

Durango, CO

Thu - Oct 08, 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

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

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

Faith & Blue 5K

Fort Morgan, CO

Sat - Oct 10, 2026

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

Natalie R Color Run Test

Evergreen, 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 > Marathon

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

Cerox Championships

Frederick, CO

Sat - Oct 10, 2026

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

Durango Marathon

Durango, CO

Sun - Oct 11, 2026

Running > Marathon, Half Marathon

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

Cerox Championships - Iron + Iron X

Frederick, 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

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

The Moony Pride 5k

Fort Collins, CO

Sun - Oct 11, 2026

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

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

hold for nutrition eeting

Colorado Springs, CO

Wed - Oct 14, 2026

Whistle Pig Invitational - Craig, CO - running-shoe-300px.bMjMog.png

Whistle Pig Invitational

Craig, CO

Fri - Oct 16, 2026

Longmonster Dash 5k - Longmont, CO - genericImage-websiteLogo-289905-1789079579.5128-0.bQOZaB.jpg

Longmonster Dash 5k

Longmont, CO

Sat - Oct 17, 2026

The Great Trailhead Footrace - Lakewood, CO - running-5.png

The Great Trailhead Footrace

Lakewood, CO

Sat - Oct 17, 2026 @ 9:00 AM

Running > 10 Mile, 5 mile

Living Water 5K Fun Run - Denver, CO - running-14.png

Living Water 5K Fun Run

Denver, CO

Sat - Oct 17, 2026

The Great Pumpkin Haul - Fruita, CO - running-19.png

The Great Pumpkin Haul

Fruita, CO

Sat - Oct 17, 2026

Chili Chase - Durango, CO - genericImage-websiteLogo-287864-1785109394.4629-0.bQzPUs.jpg

Chili Chase

Durango, CO

Sat - Oct 17, 2026

Running > Obstacle Race

Beti Bike Bash - Elbert, CO - genericImage-websiteLogo-250142-1748897291.5563-0.bOpG4l.png

Beti Bike Bash

Elbert, CO

Oct 17, 2026 - Oct 18, 2026

A2A Hero Run/Walk 5K - Pueblo, CO - genericImage-websiteLogo-288824-1787157583.0638-0.bQHDXp.jpg

A2A Hero Run/Walk 5K

Pueblo, CO

Sat - Oct 17, 2026

Running Scared 5K/13K - Denver - Littleton, CO - genericImage-websiteLogo-68919-1775878314.0948-0.bP2CcQ.png

Running Scared 5K/13K - Denver

Littleton, CO

Sat - Oct 17, 2026

Running Scared 5K/13K - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-236255-1781839409.1147-0.bQnlyX.png

Running Scared 5K/13K - Colorado Springs

Colorado Springs, CO

Sun - Oct 18, 2026

Halloween Hustle for Charity - Glenwood Springs, CO - running-10.png

Halloween Hustle for Charity

Glenwood Springs, CO

Sun - Oct 18, 2026

FCRC at Open Streets - Fort Collins, CO - genericImage-websiteLogo-293046-1790719574.8598-0.bQVdzw.png

FCRC at Open Streets

Fort Collins, CO

Sun - Oct 18, 2026

Running > 1 mile

4A Region 3 XC STATE Qualifier - Northglenn, CO - running-shoe1-300px.bMjMog.png

4A Region 3 XC STATE Qualifier

Northglenn, CO

Thu - Oct 22, 2026

Colorado 2A Region 4

Mancos, CO

Fri - Oct 23, 2026