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5k Runs Found In Colorado in September
View all ↓5k Runs in Colorado in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 5k Runs in Colorado below.
Race Calendar: 5k Runs Found In September
Oak Creek No Fun Run
Oak Creek, Colorado
01 Sep 25
$27.50
Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$34.40 - $77.60
RMRR September Trophy Series
Thornton, Colorado
07 Sep 25
$11.60
Conservation Colorado 5k
Denver, Colorado
07 Sep 25
$25.00
All-Out Fall Fest
Westminster, Colorado
13 Sep 25
$27.50 - $64.60
Parker Parks and Recreation So Long to Summer 5K/10K
Parker, Colorado
13 Sep 25
$43.65 - $54.25
The Denver 5k
Denver, Colorado
13 Sep 25
Free - $39.85
Spooky Sprint - Colorado Springs
Colorado Springs, Colorado
13 Sep 25
$18.83 - $44.28
Break Your Neck: Walk, Run, or Roll
Pueblo, Colorado
13 Sep 25
Free
Spooky Sprint - Denver
Denver, Colorado
14 Sep 25
$18.83 - $44.28
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
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
27 Sep 25
Free - $75.00
HRCA Oktoberfest 5K
Littleton, Colorado
27 Sep 25
$38.35
RexRun For PAWSitivity 2025 5K Trail Run/Walk
Aurora, Colorado
14 Jul 25 - 06 Sep 25
$22.45 - $48.95
Miles 4 Madison 5K & 1K
Littleton, Colorado
20 Sep 25
$20.00 - $25.00
Autumn Run
Buena Vista, Colorado
20 Sep 25
$33.53 - $92.24
Flyin' Lion 5K
Littleton, Colorado
21 Sep 25
$17.15 - $33.05
Farmers 5000
Wheat Ridge, Colorado
21 Sep 25
$12.00 - $32.50
19th Annual Golden Gallop
Golden, Colorado
21 Sep 25
$22.45 - $38.35
Showing 1-20 of 20 results