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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
πBoosted
Race to Cure Sarcoma Denver
Denver, Colorado
Sat 25 Oct 25
$10.00 - $35.00
πBoosted
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Denver, Colorado
Tue 14 Oct 25 - Fri 17 Oct 25
Free
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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