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Running in Colorado found

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Running in Colorado 2025 - 2026

The most comprehensive list of Colorado Running Events in 2025 - 2026. Discover 100's of US Colorado Running. Find your perfect race here!

Running Colorado 2025 - 2026

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

Colorado Springs, Colorado
04 Oct 25 - 05 Oct 25
Free - $535.35
πŸš€Boosted

Tiger Prowl 5K

Denver, Colorado
21 Sep 25
$17.15 - $33.05
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Central Park 5k

Denver, Colorado
22 Mar 26
$33.50

All-Out Spring Fever

Golden, Colorado
22 Mar 26
$27.50 - $64.60

Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
04 Apr 26
$32.80 - $48.70

Run the Ranch

Loveland, Colorado
10 Apr 26 - 11 Apr 26
$48.70 - $138.80

Platte River Half-Marathon and Relay

Littleton, Colorado
12 Apr 26
$75.20 - $165.30

Donut Dash

Denver, Colorado
12 Apr 26
$34.40

Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, Colorado
12 Apr 26
Free - $75.00

All-Out Beat the Heat

Westminster, Colorado
18 Apr 26
$27.50 - $64.60

Horsetooth Half Marathon

Fort Collins, Colorado
19 Apr 26
$80.50

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

Centennial, Colorado
25 Apr 26
$32.80 - $48.70

Runs With Scissors Races

Brighton, Colorado
25 Apr 26
$38.10 - $85.80

Unicorn 5k (Denver-East)

Denver, Colorado
26 Apr 26
$18.50 - $40.00

Greenland Trail Races

Larkspur, Colorado
02 May 26
$39.80 - $99.20

Longmont Half & 5k (LM Half)

Longmont, Colorado
03 May 26
$45.00 - $70.00

The Colorado Marathon

Fort Collins, Colorado
03 May 26
$38.10 - $138.80

Colorado Women's Classic - Westminster

Westminster, Colorado
10 May 26
Free - $50.00

Weld Your Mettle Running Festival

Eaton, Colorado
30 May 26 - 31 May 26
$16.90 - $207.70

Colorado 13er (Half Marathon/10k/5k)

Louisville, Colorado
07 Jun 26
$30.00 - $60.00

Flamingo Day 5K

Denver, Colorado
07 Jun 26
$34.40

All-Out Summer Breeze

Arvada, Colorado
13 Jun 26
$27.50 - $64.60

Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Windsor, Colorado
20 Jun 26
$16.90 - $122.90

Unicorn 5k (North)

Thornton, Colorado
20 Jun 26
$16.00 - $36.00

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, Colorado
21 Jun 26
$11.00 - $39.00

Race in the Clouds - Alma Dirt Festival 2026

Alma, Colorado
27 Jun 26
$32.80 - $101.70

Let Freedom Run 5k/10k - Louisville

Louisville, Colorado
04 Jul 26
Free - $40.00

Silverheels Trail Runs

Como, Colorado
10 Jul 26 - 11 Jul 26

All-Out Dog Days

Westminster, Colorado
11 Jul 26
$27.50 - $64.60

Cookie Chase

Denver, Colorado
11 Jul 26
$34.40

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, Colorado
18 Jul 26
$30.00 - $65.00
4.0

Spirit of the West 5K Run/Walk

Golden, Colorado
26 Jul 26
Free - $30.00

Ram Run

Denver, Colorado
22 Aug 26
$11.85 - $33.05

50 States Half Marathon Club Life Membership

Colorado Springs, Colorado
25 Apr 31

50 States Half Marathon Club Life Membership

Colorado Springs, Colorado
26 Apr 31

Unleashed Fulfillment

Castle Rock, Colorado
01 Feb 20 - 31 Dec 25
Free

The Grand Traverse

Crested Butte, Colorado
16 Dec 24 - 31 Aug 25
Free - $694.00

Prairie Dog Run Series

Louisville, Colorado
26 Jan 25 - 27 Sep 25
$900.00

Fleet Feet Denver Fall Marathon Sixteen-Week Training Program

Littleton, Colorado
10 Jun 25 - 28 Sep 25
$200.00

Boulderthon Full Marathon Training Program

Boulder, Colorado
11 Jun 25 - 28 Sep 25
$200.00

FCRC Marathon Training Program

Fort Collins, Colorado
21 Jun 25 - 20 Sep 25
$22.20

Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program

Littleton, Colorado
08 Jul 25 - 28 Sep 25
$155.00
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