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Half Marathons Found In Colorado in August
View all ↓Half Marathons in Colorado in August 2025
Find A Race is the US's favourite event listings site. Check out our list of August 2025 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In August
All-Out Runapalooza
Arvada, Colorado
02 Aug 25
$27.50 - $64.60
Erie Half & 5k
Erie, Colorado
17 Aug 25
$33.50 - $59.30
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
Sheep Mountain Trail Runs
Fairplay, Colorado
02 Aug 25
$75.20 - $160.00
Showing 1-4 of 4 results