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Half Marathons Found In Colorado in January
View all ↓Half Marathons in Colorado in January 2026
Find A Race is the US's favourite event listings site. Check out our list of January 2026 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In January
🚀Boosted
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
🚀Boosted
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
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Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
New Year New Me Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
All-Out Polar Prowl
Arvada, Colorado
10 Jan 26
$27.50 - $64.60
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
17 Jan 26
$32.80 - $48.70
Arctic Prairie Dog Half, 10k & 5k
Louisville, Colorado
18 Jan 26
$40.00 - $80.00
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
Showing 1-7 of 7 results