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27 Running Colorado

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

2026 World Run Day Virtual 5K - Fort Collins - Fort Collins, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Fort Collins

Fort Collins, CO

Oct 24, 2026 - Oct 25, 2026

2026 World Run Day Virtual 5K - Aurora - Aurora, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Aurora

Aurora, CO

Oct 24, 2026 - Oct 25, 2026

2026 World Run Day Virtual 5K - Boulder - Boulder, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Boulder

Boulder, CO

Oct 24, 2026 - Oct 25, 2026

2026 World Run Day Virtual 5K - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Colorado Springs

Colorado Springs, CO

Oct 24, 2026 - Oct 25, 2026

YMCA of Pueblo Race Series - Pueblo, CO - running-shoe-300px.bMjMog.png

YMCA of Pueblo Race Series

Pueblo, CO

Oct 24, 2026 - Jan 2, 2027

2026 World Run Day Virtual 5K - Denver - Denver, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Denver

Denver, CO

Oct 24, 2026 - Oct 25, 2026

Zedikiah Scholarship 5K - Denver, CO - running-4.png

Zedikiah Scholarship 5K

Denver, CO

Sat - Oct 24, 2026

2026 World Run Day Virtual 5K - Lakewood - Lakewood, CO - genericImage-websiteLogo-293676-1791410060.3239-0.bQXR-m.png

2026 World Run Day Virtual 5K - Lakewood

Lakewood, CO

Oct 24, 2026 - Oct 25, 2026

Fall Skyline Traverse - Boulder, CO - genericImage-websiteLogo-292232-1789912599.6953-0.bQR-yx.jpg

Fall Skyline Traverse

Boulder, CO

Sat - Oct 24, 2026

Fleet Feet Colorado Springs Halloween Fun Run - Colorado Springs, CO - walk-shoe-300px.bMjMog.png

Fleet Feet Colorado Springs Halloween Fun Run

Colorado Springs, CO

Fri - Oct 30, 2026

I Ain't Scared (of 5k) - Thornton, CO - genericImage-websiteLogo-271176-1767644887.7984-0.bPxb7x.png

I Ain't Scared (of 5k)

Thornton, CO

Sat - Oct 31, 2026

Narrowleaf Lake Run - Pumpkin Run - Kids Fun Run - Loveland, CO - narrows-logo6_copy.jpg

Narrowleaf Lake Run - Pumpkin Run - Kids Fun Run

Loveland, CO

Sat - Oct 31, 2026 @ 8:30 AM

Running > Other Running, 1 mile, Fun Run, 10 Mile

Turkey Trot - Center, CO - genericImage-websiteLogo-266118-1791334757.1273-0.bQXzLL.png

Turkey Trot

Center, CO

Oct 31, 2026 - Nov 29, 2026

PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-271248-1768499966.5873-0.bPAsR-.png

PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Oct 31, 2026

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

Panda Waddle 5k 15th annual - Grand Junction, CO - 5e4fea0e-f606-43ae-b9a5-76da523d1ef2.png

Panda Waddle 5k 15th annual

Grand Junction, CO

Sat - Oct 31, 2026

2026 Eerie Erie - Erie, CO - e73280cd-15c8-46b1-936f-3b2be94a8718.png

2026 Eerie Erie

Erie, CO

Sat - Oct 31, 2026

Running > 10k, 5k

Woodmen Hills Monster Mash 5k and Beer Run - Peyton, CO - running-20.png

Woodmen Hills Monster Mash 5k and Beer Run

Peyton, CO

Sat - Oct 31, 2026

Halloween 5K Fundraiser! - Grand Junction, CO - genericImage-websiteLogo-291669-1789079179.043-0.bQOY6l.png

Halloween 5K Fundraiser!

Grand Junction, CO

Sat - Oct 31, 2026

Fossil Creek Park T&H 5K - Fort Collins, CO - genericImage-websiteLogo-259977-1756160345.2684-0.bORofz.png

Fossil Creek Park T&H 5K

Fort Collins, CO

Sun - Nov 01, 2026

Excel Eagle Trot 5K/1K Family Fun Run - Arvada, CO - genericImage-websiteLogo-264804-1759256125.2538-0.bO3b49.png

Excel Eagle Trot 5K/1K Family Fun Run

Arvada, CO

Sat - Nov 07, 2026

Running > 1k, 5k

The Unselfish Ultra - Golden, CO - running-17.png

The Unselfish Ultra

Golden, CO

Sat - Nov 07, 2026

Running > Ultra

2026 Southwest Series - Day 2 (CO) - Durango, CO - 0fe8efc4-838a-4820-8725-eb975da710d5.png

2026 Southwest Series - Day 2 (CO)

Durango, CO

Nov 9, 2026 - Nov 10, 2026

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

Friday The 13K - Castle Rock MEET UP - Castle Rock, CO - genericImage-websiteLogo-253112-1746145909.512-0.bOfbj1.png

Friday The 13K - Castle Rock MEET UP

Castle Rock, CO

Fri - Nov 13, 2026

Salute to Veterans 5K/10K/Half Marathon - Denver - Aurora, CO - genericImage-websiteLogo-237374-1776213299.4898-0.bP3T0Z.png

Salute to Veterans 5K/10K/Half Marathon - Denver

Aurora, CO

Sat - Nov 14, 2026

Running > Half Marathon, 5k, 10k

Lone Tree Reckoning Half and 5K - Loveland, CO - running-12.png

Lone Tree Reckoning Half and 5K

Loveland, CO

Sat - Nov 14, 2026

Running > Obstacle Race

Run for Mental Health 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-270815-1768499680.5521-0.bPAsNG.png

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Nov 14, 2026

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

Salute to Veterans 5K/10K/Half Marathon - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-237374-1776213299.4898-0.bP3T0Z.png

Salute to Veterans 5K/10K/Half Marathon - Colorado Springs

Colorado Springs, CO

Sun - Nov 15, 2026

Running > Half Marathon, 10k, 5k

Fort Collins Thanksgiving Day Run - Fort Collins, CO - genericImage-websiteLogo-260445-1755237381.3685-0.bONSWf.png

Fort Collins Thanksgiving Day Run

Fort Collins, CO

Thu - Nov 26, 2026