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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

🚀Boosted

Sloan's Lake Search Party (SLSP) Marathon Hourly Loop Race!

Denver, Colorado
14 Sep 25
$75.20
🚀Boosted

All-Out Spring Fever

Golden, Colorado
22 Mar 26
$27.50 - $64.60
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Unicorn 5k (Denver-East)

Denver, Colorado
26 Apr 26
$16.50 - $35.00

Greenland Trail Races

Larkspur, Colorado
02 May 26
$29.00 - $88.40

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

Prairie Dog Run Series

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

Platte River Half-Marathon and Relay

Littleton, Colorado
13 Apr 25 - 12 Apr 26
$80.50 - $268.75

The Colorado Marathon

Fort Collins, Colorado
04 May 25 - 03 May 26
$32.80 - $379.00

48th Annual Manassa Pioneer Days 5K Run

Manassa, Colorado
19 Jul 25
$22.20

Continental Divide Trail Run

Steamboat Springs, Colorado
23 Aug 25
$27.50 - $138.80

10th Annual Log Hill Hustle

Ridgway, Colorado
24 Aug 25
$32.80

3rd Annual Roost Rebellion Relays

Denver, Colorado
03 Sep 25
$65.55 - $108.25

52nd Annual Imogene Pass Run

Telluride, Colorado
06 Sep 25
$133.50

Bayfield XC Invitational

Bayfield, Colorado
13 Sep 25
Free - $22.20

Colorado Run for the Fallen 6 Hour Run/Walk/Ruck

Palmer Lake, Colorado
14 Sep 25
$38.10

2025 Montbello Alive! 5K

Denver, Colorado
20 Sep 25
$28.19

Mountain Marmot Trail Run presented by Durango Running Company

Durango, Colorado
20 Sep 25
$90.04

Tiger Prowl 5K

Denver, Colorado
21 Sep 25
$17.15 - $33.05

McGinn Memorial Cross Country Challenge

Pagosa Springs, Colorado
27 Sep 25
Free

Friends of the National Center Science Stride 5K

Boulder, Colorado
27 Sep 25
$54.88

Big Waves Family 5K run/walk Whiteout Presented by Brumate

Westminster, Colorado
04 Oct 25
$44.00

Suffer Better 9th Annual Fall Trail Runs

Pine, Colorado
11 Oct 25
$27.50 - $96.40

Chicken Creek Challenge

Mancos, Colorado
11 Oct 25
Free

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, Colorado
14 Oct 25 - 17 Oct 25
Free

2025 Redrum Fun Run

Greeley, Colorado
25 Oct 25
$38.10

YMCA of Pueblo Spooky Sprint 5K

Pueblo, Colorado
25 Oct 25
$32.80

Girls on Run Southern Colorado 5K

Colorado Springs, Colorado
01 Nov 25
$38.35

Girls on the Run Northern Colorado Fall 5K

Fort Collins, Colorado
02 Nov 25
$38.35

Gobble Wobble Run 2025

Littleton, Colorado
27 Nov 25
$38.10

BVSC Turkey Trot 5K & Family Fun Run

Buena Vista, Colorado
27 Nov 25
$38.86

YMCA of Pueblo Turkey Trot

Pueblo, Colorado
27 Nov 25
$32.80

Sawmill Trail Runs

Pine, Colorado
06 Dec 25
$54.00 - $128.20

2025 Summit for Life

Aspen, Colorado
06 Dec 25
$26.25 - $52.00

YMCA of Pueblo Hot Chocolate 5K

Pueblo, Colorado
27 Dec 25
$32.80

Super Half Marathon™ & Game Day 5K™ Presented by Toyota

Colorado Springs, Colorado
08 Feb 26
$32.80 - $69.90

Stories Trail Runs

Colorado Springs, Colorado
21 Feb 26 - 22 Feb 26
$64.60 - $160.00

Platte River Half-Marathon and Relay

Littleton, Colorado
12 Apr 26
$75.20 - $165.30

The Colorado Marathon

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

Endure Trail Runs

Divide, Colorado
16 May 26
$54.00 - $128.20
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