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Fun Runs Found In Colorado in October
View all ↓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
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