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Half Marathons Found In Colorado in January

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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

πŸš€Boosted

2026 Team CKF Running Series

Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
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Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
03 Jan 26
$32.80 - $48.70
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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
$32.80 - $69.90

MLK Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
17 Jan 26
$32.80 - $48.70

Run for Donuts 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 1-8 of 8 results