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Marathons Found In Colorado in January

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Marathons in Colorado in January 2025

Find A Race is the US's favourite event listings site. Check out our list of January 2025 Marathons in Colorado below.

Race Calendar: Marathons Found In January

Slacker Half Marathon-Relay-4-Mile Races

Georgetown, Colorado
01 Jan 25 - 27 Jun 25
$38.10 - $80.50

The Cookie Dash Run 5K/10K/13.1 DENVER/AURORA

Aurora, Colorado
25 Jan 25
$32.80 - $48.70

Run for Coffee 5K/10K/13.1 DENVER/AURORA

Aurora, Colorado
25 Jan 25
$32.80 - $48.70
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