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Fun Runs Found In Colorado in October

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Fun Runs in Colorado in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 Fun Runs in Colorado below.

Race Calendar: Fun Runs Found In October

🚀Boosted

Race to Cure Sarcoma Denver

Denver, Colorado
25 Oct 25
$10.00 - $35.00
🚀Boosted

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, Colorado
05 Oct 25
$15.00 - $120.00
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Cheers to Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
04 Oct 25
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
04 Oct 25
$32.80 - $48.70

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, Colorado
05 Oct 25
$15.00 - $120.00

Denver Hot Chocolate Run

Denver
05 Oct 25
$59.00 - $79.00

Joy & Justice 5k

Timnath, Colorado
12 Oct 25
$16.90 - $32.80

Race to Cure Sarcoma Denver

Denver, Colorado
25 Oct 25
$10.00 - $35.00

2025 Redrum Fun Run

Greeley, Colorado
25 Oct 25
$38.10
Showing 1-7 of 7 results