0318
Running in Colorado found
View all ↓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
πBoosted
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
04 Oct 25 - 05 Oct 25
Free - $535.35
πBoosted
Not So Flatt Breast Cancer Awareness Run/Walk β 5K & 10K in Denver, CO
Westminster, Colorado
04 Oct 25
$10.00 - $40.00
Feature your event at the top of the results
Boulderthon Half Marathon Training Program
Boulder, Colorado
09 Jul 25 - 28 Sep 25
$150.00
Fleet Feet Denver Fall 10k Eight-Week Training Program
Littleton, Colorado
05 Aug 25 - 28 Sep 25
$110.00
Boulderthon 5k/10k Training Program
Boulder, Colorado
06 Aug 25 - 28 Sep 25
$110.00
RMRR Fall Marathon Training Series
Thornton, Colorado
24 Aug 25 - 21 Sep 25
$22.20 - $80.50
Adams 12 MS XC
Thornton, Colorado
28 Aug 25
Free
South Fork Alder Ass Race
South Fork, Colorado
30 Aug 25
$38.10 - $69.90
Summit Middle School Invitational
Breckenridge, Colorado
03 Sep 25
Free
[CANCELLED] Sloan's Lake Search Party (SLSP) Marathon Hourly Loop Race!
Denver, Colorado
14 Sep 25
$96.40
McGinn Memorial Cross Country Challenge
Pagosa Springs, Colorado
27 Sep 25
Free
Race in the Clouds - Festival 5K
Alma, Colorado
27 Sep 25
$38.10
Chicken Creek Challenge
Mancos, Colorado
11 Oct 25
Free
The bRUNch Runβ’ -
Denver, Colorado
12 Oct 25
$43.40 - $75.20
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Denver, Colorado
14 Oct 25 - 17 Oct 25
Free
2025 Rim Rock Marathon and Half Marathon
Fruita, Mesa
02 Nov 25
$122.09 - $132.69
Team Boss CO Mile + 2 Mile 4 REAL
Niwot, Colorado
11 Nov 25
$30.00
YMCA of Pueblo Turkey Trot
Pueblo, Colorado
27 Nov 25
$32.80
2025 Summit for Life
Aspen, Colorado
06 Dec 25
$26.25 - $77.75
Sawmill Trail Runs
Pine, Colorado
06 Dec 25
$54.00 - $128.20
YMCA of Pueblo Hot Chocolate 5K
Pueblo, Colorado
27 Dec 25
$32.80
Winter Series - The Coolest Race in Town!
Colorado Springs, Colorado
10 Jan 26 - 28 Feb 26
$38.10 - $117.60
Rio Frio 5k on Ice
Alamosa, Colorado
24 Jan 26
$22.20
Super Half Marathonβ’ & Game Day 5Kβ’ 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
All Hands on Deck The Pirates 5K
Colorado Springs, Colorado
28 Mar 26
$27.50
ASDAsh 5K to Beat Tooth Decay
Aurora, Colorado
11 Apr 26
$30.00
Great Western Trail Race
Severance, Colorado
18 Apr 26
$16.90 - $69.90
SOAR 5K
Golden, Colorado
25 Apr 26
Free - $22.20
Friends of the National Center Science Stride 5K
Boulder, Colorado
01 May 26
$54.88
Endure Trail Runs
Divide, Colorado
16 May 26
$54.00 - $128.20
2025 MTHCF 5K
Fruita, Colorado
30 May 26
$38.10
5.0
Summits Trail Runs
Granby, Colorado
06 Jun 26
$54.00 - $149.40
J-Town Jog 5K and Youth Mile
Johnstown, Colorado
06 Jun 26
$22.20 - $32.80
Aiden's Adventure 5k
Colorado Springs, Colorado
06 Jun 26
$22.20 - $45.52
Palmer Lake July 4th - 4M
Palmer Lake, Colorado
04 Jul 26
$27.75 - $48.95
Kennebec Mountain Run
Hesperus, Colorado
01 Aug 26
$80.50
Unicorn 5k (South)
Highlands Ranch, Colorado
01 Aug 26
$16.50 - $35.00
Erie Half & 5k
Erie, Colorado
16 Aug 26
$33.50 - $59.30
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
29 Aug 26
$91.10 - $127.14
Showing 281-318 of 318 results