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Half Marathons Found In Denver, Colorado
View all ↓Half Marathons in & near Denver, Colorado 2025 - 2026
The most comprehensive list of Half Marathons in and near Denver, Colorado in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Denver, Colorado
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Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
01 Jan 25 - 28 Jun 25
$38.10 - $160.00
🚀Boosted
Father's Day Fun Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Jun 25
$32.80 - $52.94
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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
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
01 Jan 25 - 28 Jun 25
$38.10 - $160.00
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 30 Dec 25
Free
2.2 for 22q Walk/Run/Ride 2025
Anywhere, Colorado
31 May 25 - 08 Jun 25
$24.32
All-Out Summer Breeze
Arvada, Colorado
07 Jun 25
$48.70 - $85.80
Louise Hammond Memorial Beardance Run
Towaoc, Colorado
07 Jun 25
$22.20 - $43.40
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing
Windsor, Colorado
21 Jun 25
$16.90 - $128.20
Hometown Half Marathon & 5k/10k - Denver
Westminster, Colorado
21 Jun 25
$20.83 - $65.46
Hometown Half Marathon & 5k/10k - Colorado Springs
Colorado Springs, Colorado
22 Jun 25
$20.83 - $65.46
SuperHeroes Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
05 Jul 25
$32.80 - $52.94
July 4th Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
05 Jul 25
$32.80 - $52.94
Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program
Littleton, Colorado
08 Jul 25 - 28 Sep 25
$155.00
Boulderthon Half Marathon Training Program
Boulder, Colorado
09 Jul 25 - 28 Sep 25
$150.00
All-Out Dog Days
Westminster, Colorado
12 Jul 25
$43.40 - $80.50
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
19 Jul 25
$40.00 - $80.00
Aspen Valley Marathon
Aspen, Colorado
19 Jul 25
$80.75 - $245.05
Rocky Mountain Half Marathon & 5K
Estes Park, Colorado
01 Aug 25 - 02 Aug 25
Free - $234.20
Hero Hustle Half Marathon Colorado Springs
Colorado Springs, Colorado
02 Aug 25
$13.83 - $54.28
Popsicle 5K/10K/Half - Colorado Springs
Colorado Springs, Colorado
02 Aug 25
$39.10 - $65.20
Run for Wine & Cheese 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
02 Aug 25
$32.80 - $48.70
All-Out Runapalooza
Arvada, Colorado
02 Aug 25
$43.40 - $80.50
Singles & Friends Running Club 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
02 Aug 25
$32.80 - $48.70
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
03 Aug 25
$49.10 - $102.70
Choice City Running Festival
Fort Collins, Colorado
08 Aug 25
Free - $65.65
Erie Half & 5k
Erie, Colorado
17 Aug 25
$45.00 - $70.00
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
23 Aug 25
$64.60 - $85.80
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
23 Aug 25
$101.70 - $136.68
Staunton Rocks! Marathon and Half Marathon
Pine, Colorado
23 Aug 25
$107.00 - $128.20
Arrowhead Half Marathon & 5K
Edwards, Eagle
23 Aug 25
$32.00 - $52.00
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
30 Aug 25
$32.80 - $48.70
Calarat Challenge Trail Running Festival
Jamestown, Colorado
30 Aug 25 - 31 Aug 25
$17.51 - $86.90
Labor Day Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
30 Aug 25
$32.80 - $48.70
Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$37.64 - $83.00
Black Squirrel Half Marathon
Bellvue, Colorado
06 Sep 25
$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
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 - $59.10
Hedgehog Dash 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $48.70
Showing 1-40 of 93 results
