0010
Half Marathons Found In Colorado in July
View all ↓Half Marathons in Colorado in July 2025
Find A Race is the US's favourite event listings site. Check out our list of July 2025 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In July
πBoosted
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
19 Jul 25
$40.00 - $80.00
πBoosted
Aspen Valley Marathon
Aspen, Colorado
19 Jul 25
$75.45 - $234.45
Feature your event at the top of the results
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
Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program
Littleton, Colorado
08 Jul 25 - 28 Sep 25
$155.00
The Alma Foundation Race in the Clouds Dirt Festival
Alma, Colorado
10 Jul 25 - 13 Jul 25
Free - $133.50
All-Out Dog Days
Westminster, Colorado
12 Jul 25
$32.80 - $69.90
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
$75.45 - $234.45
Prairie Dog Run Series
Louisville, Colorado
26 Jan 25 - 27 Sep 25
$900.00
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25 - 12 Apr 26
$80.50 - $268.75
Showing 1-10 of 10 results