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Half Marathons Found In Fort Collins, Colorado
View all ↓Half Marathons in & near Fort Collins, Colorado 2025 - 2026
The most comprehensive list of Half Marathons in and near Fort Collins, Colorado in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Fort Collins, Colorado
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Longmont Half & 5k (LM Half)
Longmont, Colorado
03 May 26
$45.00 - $70.00
🚀Boosted
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 30 Dec 25
Free
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Denver, CO Galloway Training Program
Denver, Colorado
20 Apr 24 - 05 Nov 25
$91.10 - $274.00
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 - 30 Dec 25
Free
Choice City Running Festival
Fort Collins, Colorado
08 Aug 25
Free - $92.28
Erie Half & 5k
Erie, Colorado
17 Aug 25
$50.00 - $75.00
Arrowhead Half Marathon & 5K
Edwards, Eagle
23 Aug 25
$32.00 - $52.00
Staunton Rocks! Marathon and Half Marathon
Pine, Colorado
23 Aug 25
$117.60 - $138.80
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
23 Aug 25
$116.54 - $151.52
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
23 Aug 25
$64.60 - $85.80
Labor Day Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
30 Aug 25
$32.80 - $52.94
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
30 Aug 25
$32.80 - $52.94
Calarat Challenge Trail Running Festival
Jamestown, Colorado
30 Aug 25 - 31 Aug 25
$22.85 - $102.91
Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$40.88 - $88.40
Black Squirrel Half Marathon
Bellvue, Colorado
06 Sep 25
$107.00
All-Out Fall Fest
Westminster, Colorado
13 Sep 25
$43.40 - $80.50
National Chocolate Day: Run for Chocolates DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $48.70
Hedgehog Dash 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $48.70
Trail Sisters Women's Half Marathon & 10k
Buena Vista, Colorado
13 Sep 25
$69.90 - $107.00
Spooky Sprint - Colorado Springs
Colorado Springs, Colorado
13 Sep 25
$20.83 - $65.46
Fall Equinox
Fort Collins, Colorado
14 Sep 25 - 04 Oct 25
$65.65 - $150.73
Spooky Sprint - Denver
Littleton, Colorado
14 Sep 25
$23.98 - $68.64
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
Autumn Run
Buena Vista, Colorado
20 Sep 25
$33.53 - $92.24
Beulah Challenge and OverIt Series
Beulah, Colorado
20 Sep 25
$18.25 - $197.85
13th Annual Superhero Event
Greeley, Colorado
20 Sep 25 - 28 Sep 25
Free - $43.40
Red Feather Trail Jamboree
Red Feather Lakes, Colorado
26 Sep 25 - 28 Sep 25
$107.00 - $316.00
WILD Wahatoya Runs
La Veta, Huerfano
27 Sep 25
$50.00 - $100.00
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
Cheers to Oktoberfest Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
04 Oct 25
$32.80 - $48.70
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
04 Oct 25
$32.80 - $48.70
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
04 Oct 25 - 05 Oct 25
Free - $535.35
Layafette Music Fest Half-Marathon/10K/5K
Louisville, Colorado
05 Oct 25
$32.80 - $105.94
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Windsor, Colorado
05 Oct 25
$20.00 - $135.00
Breckenridge Road Marathon
Breckenridge, Colorado
11 Oct 25
$28.06 - $124.46
The Long View Marathon
Fort Collins, Colorado
11 Oct 25
$38.10 - $117.60
Westy Half & 5k
Westminster, Colorado
12 Oct 25
$45.00 - $70.00
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
18 Oct 25
$32.80 - $48.70
International Sloth Day Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
18 Oct 25
$32.80 - $48.70
Showing 1-40 of 95 results
