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Half Marathons Found In Colorado in October

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Half Marathons in Colorado in October 2027

Find A Race is the US's favourite event listings site. Check out our list of October 2027 Half Marathons in Colorado below.

Race Calendar: Half Marathons Found In October

🚀Boosted

Westy Half & 5k

Westminster, Colorado
Sun 10 Oct 27
$39.00 - $64.00
🚀Boosted

Fifty States Half Marathon Club General Membership

Colorado Springs, Colorado
Thu 02 May 24 - Sun 02 Apr 34
$91.10
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Fifty States Half Marathon Club General Membership

Colorado Springs, Colorado
Thu 02 May 24 - Sun 02 Apr 34
$91.10

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, Colorado
Sat 03 Oct 26 - Sat 02 Oct 27
Free - $535.35

Spooky Sprint - Denver

Denver, Colorado
Sat 02 Oct 27
Free - $59.10

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, Colorado
Sat 02 Oct 27
Free - $535.35

Spooky Sprint - Colorado Springs

Colorado Springs, Colorado
Sun 03 Oct 27
Free - $46.28

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Windsor, Colorado
Sun 03 Oct 27
$25.00 - $100.00

Westy Half & 5k

Westminster, Colorado
Sun 10 Oct 27
$39.00 - $64.00

All-Out Kooky-Spooky

Golden, Colorado
Sun 31 Oct 27
$22.20 - $69.90
Showing 1-8 of 8 results