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Half Marathons Found In Colorado in Fall
View all ↓Half Marathons in Colorado in Fall 2025
Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In Fall
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 25 Oct 25
Free
Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$34.40 - $77.60
Black Squirrel Half Marathon
Bellvue, Colorado
06 Sep 25
$96.40
All-Out Fall Fest
Westminster, Colorado
13 Sep 25
$27.50 - $64.60
Spooky Sprint - Colorado Springs
Colorado Springs, Colorado
13 Sep 25
$18.83 - $44.28
Spooky Sprint - Denver
Denver, Colorado
14 Sep 25
$18.83 - $44.28
Red Feather Trail Jamboree
Red Feather Lakes, Colorado
26 Sep 25 - 28 Sep 25
$96.40 - $295.00
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
27 Sep 25
Free - $75.00
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
04 Oct 25 - 05 Oct 25
Free - $535.35
Windsor Marathon, Half Marathon, 10k & 5k
Windsor, Colorado
05 Oct 25
$15.00 - $85.00
The Long View Marathon
Fort Collins, Colorado
11 Oct 25
$38.10 - $107.00
Westy Half & 5k
Westminster, Colorado
12 Oct 25
$35.00 - $60.00
Blue Sky Trail Marathon & Half Marathon
Fort Collins, Colorado
18 Oct 25 - 19 Oct 25
$96.40 - $117.60
All-Out Kooky-Spooky
Golden, Colorado
02 Nov 25
$27.50 - $64.60
HRCA Backcountry Wilderness Half Marathon
Lone Tree, Colorado
08 Nov 25
$64.85
Prairie Dog Run Series
Louisville, Colorado
12 Jan 25 - 27 Sep 25
$900.00
Autumn Run
Buena Vista, Colorado
20 Sep 25
$54.88 - $92.24
Layafette Music Fest Half-Marathon/10K/5K
Louisville, Colorado
05 Oct 25
$32.80 - $105.94
Showing 1-19 of 19 results