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10k Runs Found In Colorado in October

10k Runs in Colorado in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 10k Runs in Colorado below.

Race Calendar: 10k Runs Found In October

Featured

Date

Highest Rated

Not So Flatt Breast Cancer Awareness Run/Walk

Westminster, Colorado

$10.00 - $40.00

Ghosts and Goblins 5K/10K

Denver, Colorado

$34.40 - $45.20

Layafette Music Fest Half-Marathon/10K/5K

Louisville, Colorado

$32.80 - $105.94

Showing 1-3 of 3 results