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10k Runs Found In Colorado in October

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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

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International Sloth Day Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94
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2025 Team CKF Running Series

Aspen, Colorado
Sat 22 Feb 25 - Tue 30 Dec 25
Free
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2025 Team CKF Running Series

Aspen, Colorado
Sat 22 Feb 25 - Tue 30 Dec 25
Free

Breckenridge Road Marathon

Breckenridge, Colorado
Sat 11 Oct 25
$32.80 - $144.10

Pedal 4 Possible: At the Raceway

Golden, Colorado
Sat 18 Oct 25
$54.00 - $128.20

Ghosts and Goblins 5K/10K

Denver, Colorado
Sun 26 Oct 25
$40.88 - $51.68

Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon

Canon City, Colorado
Sat 20 Sep 25 - Sun 07 Dec 25
Free - $197.10

The bRUNch Runโ„ข -

Denver, Colorado
Sun 12 Oct 25
$43.40 - $75.20

Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94

International Sloth Day Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94
Showing 1-8 of 8 results