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10k Runs Found In Colorado in September
View all ↓10k Runs in Colorado in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 10k Runs in Colorado below.
Race Calendar: 10k Runs Found In September
πBoosted
Autumn Run
Buena Vista, Colorado
20 Sep 25
$33.53 - $92.24
πBoosted
HRCA Wildcat Mountain Trail Races
Littleton, Colorado
06 Sep 25
$11.85 - $54.25
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Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$34.40 - $77.60
HRCA Wildcat Mountain Trail Races
Littleton, Colorado
06 Sep 25
$11.85 - $54.25
RMRR September Trophy Series
Thornton, Colorado
07 Sep 25
$11.60
Trail Sisters Women's Half Marathon & 10k
Buena Vista, Colorado
13 Sep 25
$69.90 - $107.00
All-Out Fall Fest
Westminster, Colorado
13 Sep 25
$32.80 - $69.90
National Chocolate Day: Run for Chocolates DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $48.70
Spooky Sprint - Colorado Springs
Colorado Springs, Colorado
13 Sep 25
$18.83 - $48.28
Hedgehog Dash 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $48.70
Parker Parks and Recreation So Long to Summer 5K/10K
Parker, Colorado
13 Sep 25
$43.65 - $54.25
Spooky Sprint - Denver
Littleton, Colorado
14 Sep 25
$18.83 - $48.28
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
Canon City, Colorado
20 Sep 25 - 07 Dec 25
Free - $186.50
Beulah Challenge and OverIt Series
Beulah, Colorado
20 Sep 25
$18.25 - $187.25
Move Forward 5K & 10K
Denver, Colorado
20 Sep 25 - 27 Sep 25
$22.45 - $40.47
19th Annual Golden Gallop
Golden, Colorado
21 Sep 25
$22.45 - $43.65
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
27 Sep 25
Free - $80.00
National Singles Day: Singles & Friends Running DENVER/AURORA
Centennial, Colorado
27 Sep 25
$32.80 - $48.70
National Coffee Day: Run for Coffee DENVER/AURORA
Centennial, Colorado
27 Sep 25
$32.80 - $48.70
Autumn Run
Buena Vista, Colorado
20 Sep 25
$33.53 - $92.24
Showing 1-18 of 18 results