0027

5k Runs Found In Colorado in October

View all

5k Runs in Colorado in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 5k Runs in Colorado below.

Race Calendar: 5k Runs Found In October

πŸš€Boosted

Race to Cure Sarcoma Denver

Denver, Colorado
Sat 25 Oct 25
$10.00 - $35.00
πŸš€Boosted

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, Colorado
Tue 14 Oct 25 - Fri 17 Oct 25
Free
Feature your event at the top of the results

Latinos Run Denver

Denver, Colorado
Sun 05 Jan 25 - Sat 18 Oct 25
Free

Everybody Welcome Mental Health Awareness 5k/3K Walk/Run

Colorado Springs, Colorado
Wed 24 Sep 25 - Sat 01 Nov 25
Free - $30.00

2026 Suicide Prevention Color Walk/Run

Center, Colorado
Tue 30 Sep 25 - Mon 28 Sep 26
$27.50

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

Colorado Springs, Colorado
Sat 04 Oct 25 - Sat 03 Oct 26
Free - $535.35

Eric Wolff Invitational

Monte Vista, Colorado
Fri 17 Oct 25
$27.50

Mancos Cowboy Half Marathon, 5K, and Fun Run

Mancos, Colorado
Sat 18 Oct 25
Free - $91.10

Paws for Life Fun Run/Walk 5K - Sponsored by Imperial Memorial Gardens

Pueblo, Colorado
Sat 18 Oct 25
Free

Homecoming 5k - Colorado State University

Fort Collins, Colorado
Sat 18 Oct 25
$28.38 - $49.68

Expo Park XC Runs

Aurora, Colorado
Sun 19 Oct 25
$31.74 - $38.10

Fleet Feet Denver Turkey Trot Training Program

Littleton, Colorado
Tue 21 Oct 25 - Thu 27 Nov 25
$85.80

DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, Colorado
Wed 22 Oct 25
Free

Apex Foundation Trick or Trot 5K & Halloween Hunt presented by Intermountain Health

Arvada, Colorado
Sat 25 Oct 25
$10.00 - $45.00

Race to Cure Sarcoma Denver

Denver, Colorado
Sat 25 Oct 25
$10.00 - $35.00

YMCA of Pueblo Spooky Sprint 5K

Pueblo, Colorado
Sat 25 Oct 25
$43.40

Foundry Halloween 5k

Steamboat Springs, Colorado
Sat 25 Oct 25
$27.75

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, Colorado
Sat 25 Oct 25
$22.20

Grand Valley Brew Runs

Grand Junction, Colorado
Sat 25 Oct 25 - Sat 20 Dec 25
$38.10

YMCA Creepy Crawl 5K

Palmer Lake, Colorado
Sat 25 Oct 25
Free - $48.95

Fleet Feet Denver Just the Long Runs Fall Session

Littleton, Colorado
Sun 26 Oct 25 - Sun 23 Nov 25
$43.40

The 13th Annual Odyssey Odyssey - 2025

Denver, Colorado
Sun 26 Oct 25
Free

Ghosts and Goblins 5K/10K

Denver, Colorado
Sun 26 Oct 25
$40.88 - $51.68

Training for Race Series

Colorado Springs, Colorado
Mon 15 Sep 25 - Fri 24 Oct 25
$43.40

Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon

Canon City, Colorado
Sat 20 Sep 25 - Sun 07 Dec 25
Free - $197.10

Joy & Justice 5k

Timnath, Colorado
Sun 12 Oct 25 - Wed 15 Oct 25
$16.90 - $43.40

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, Colorado
Tue 14 Oct 25 - Fri 17 Oct 25
Free

International Sloth Day Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94

Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94
Showing 1-27 of 27 results