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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
๐Boosted
YMCA of Pueblo Spooky Sprint 5K
Pueblo, Colorado
25 Oct 25
$43.40
๐Boosted
Foundry Halloween 5k
Steamboat Springs, Colorado
25 Oct 25
$27.75
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Latinos Run Denver
Denver, Colorado
05 Jan 25 - 18 Oct 25
Free
Everybody Welcome Mental Health Awareness 5k/3K Walk/Run
Colorado Springs, Colorado
24 Sep 25 - 01 Nov 25
$22.20 - $38.10
2026 Suicide Prevention Color Walk/Run
Center, Colorado
30 Sep 25 - 28 Sep 26
$27.50
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
04 Oct 25 - 03 Oct 26
Free - $535.35
ASDAsh 5k
Aurora, Colorado
11 Oct 25
$30.00
Lions Roar for Fitness 5k/2.5k Challenge
Pueblo, Colorado
11 Oct 25
$30.00
Rubey Rescue Run
Aspen, Colorado
11 Oct 25
$65.00
Gummball 5K
Brighton, Colorado
11 Oct 25
$33.05
Manitou 5K
Manitou Springs, Colorado
11 Oct 25
$27.50 - $43.40
Boulder XC Series Meet 1
Boulder, Colorado
11 Oct 25
$12.18 - $22.85
Kipling Villas 5K - 2025
Littleton, Colorado
11 Oct 25
$15.00
The Long View Marathon
Fort Collins, Colorado
11 Oct 25
$48.70 - $128.20
Joy & Justice 5k
Timnath, Colorado
12 Oct 25
$16.90 - $43.40
Westy Half & 5k
Westminster, Colorado
12 Oct 25
$50.00 - $75.00
Jack-oโ-Lantern Jog 5k
Fort Collins, Colorado
13 Oct 25
$16.90
Eric Wolff Invitational
Monte Vista, Colorado
17 Oct 25
$27.50
Homecoming 5k - Colorado State University
Fort Collins, Colorado
18 Oct 25
$28.38 - $44.35
Paws for Life Fun Run/Walk 5K - Sponsored by Imperial Memorial Gardens
Pueblo, Colorado
18 Oct 25
Free
Mancos Cowboy Half Marathon, 5K, and Fun Run
Mancos, Colorado
18 Oct 25
Free - $80.50
Expo Park XC Runs
Aurora, Colorado
19 Oct 25
$26.44 - $27.50
Fleet Feet Denver Turkey Trot Training Program
Littleton, Colorado
21 Oct 25 - 27 Nov 25
$85.80
DU Crimson Classic 5K Run/1.5 Mile Walk
Denver, Colorado
22 Oct 25
Free
Grand Valley Brew Runs
Grand Junction, Colorado
25 Oct 25 - 20 Dec 25
$38.10
Race to Cure Sarcoma Denver
Denver, Colorado
25 Oct 25
$10.00 - $35.00
Foundry Halloween 5k
Steamboat Springs, Colorado
25 Oct 25
$27.75
Halloween Fun Run 5k & 1mile - Zombie Theme
Idaho Springs, Colorado
25 Oct 25
$22.20
YMCA of Pueblo Spooky Sprint 5K
Pueblo, Colorado
25 Oct 25
$43.40
YMCA Creepy Crawl 5K
Palmer Lake, Colorado
25 Oct 25
Free - $48.95
Apex Foundation Trick or Trot 5K & Halloween Hunt presented by Intermountain Health
Arvada, Colorado
25 Oct 25
$10.00 - $45.00
The 13th Annual Odyssey Odyssey - 2025
Denver, Colorado
26 Oct 25
Free
Ghosts and Goblins 5K/10K
Denver, Colorado
26 Oct 25
$40.88 - $51.68
Fleet Feet Denver Just the Long Runs Fall Session
Littleton, Colorado
26 Oct 25 - 23 Nov 25
$43.40
Training for Race Series
Colorado Springs, Colorado
15 Sep 25 - 24 Oct 25
$43.40
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
Canon City, Colorado
20 Sep 25 - 07 Dec 25
Free - $197.10
Old Town Showdown
San Luis, Colorado
10 Oct 25
$27.50
Saint's Corp Pilgrimage Fun Run
Pagosa Springs, Colorado
11 Oct 25
$35.00
Chicken Creek Challenge
Mancos, Colorado
11 Oct 25
Free
Suffer Better 9th Annual Fall Trail Runs
Pine, Colorado
11 Oct 25
$27.50 - $117.60
The bRUNch Runโข -
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
Showing 1-40 of 42 results