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Half Marathons Found In Colorado

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Half Marathons in Colorado 2026 - 2027

The most comprehensive list of Half Marathons in and near Colorado in 2026 - 2027. Find your perfect race!

Ready to take on a new challenge? If you're in Colorado and seeking half marathon races in neighboring states, look no further. Discover our calendars of:

Find your next great goal to chase at findarace, and choose from an extensive list of runs, swims, and cycles all over the US.

Race Calendar: Half Marathons Found In Colorado

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Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver

Denver, Colorado
Sat 06 Mar 27
Free - $65.46
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Run for Donuts DENVER/AURORA

Centennial, Colorado
Sat 24 Apr 27
$32.80 - $48.70
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All-Out Fall Fest

Westminster, Colorado
Sat 18 Sep 27
$22.20 - $69.90

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

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

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

Spooky Sprint - Colorado Springs

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

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

50 States Half Marathon Club Life Membership

Colorado Springs, Colorado
Fri 25 Apr 31

50 States Half Marathon Club Life Membership

Colorado Springs, Colorado
Sat 26 Apr 31

Platte River Half-Marathon, Relay & 5k

Littleton, Colorado
Sun 12 Apr 26 - Sun 11 Apr 27
$38.10 - $268.75

The Colorado Marathon

Fort Collins, Colorado
Sun 03 May 26 - Sun 02 May 27
$38.10 - $421.00

Super Mom 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado
Sun 09 May 27
$33.60 - $65.20

Slacker Half Marathon-Relay-4-Mile Races

Georgetown, Colorado
Sat 26 Jun 27
$38.10 - $96.40

Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado
Sat 31 Jul 27
$28.60 - $54.10

Bound for Boston Marathon & Half Marathon - Denver

Denver, Colorado
Sun 01 Aug 27
Free - $81.50

TBK Bank Thirsty 13 Half Marathon

Durango, Colorado
Sat 28 Aug 27
$95.34 - $132.44

Autumn Run

Buena Vista, Colorado
Sat 18 Sep 27
Free - $102.91
Showing 81-97 of 97 results
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