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5k Runs Found In Colorado in Fall

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5k Runs in Colorado in Fall 2025

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

Race Calendar: 5k Runs Found In Fall

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Alpine Bank Boulder Thanksgiving Day 5K

Boulder, Colorado
Thu 27 Nov 25
$22.85 - $44.20
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Homecoming 5k - Colorado State University

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

Homecoming 5k - Colorado State University

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

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

Pueblo, Colorado
Sat 18 Oct 25
Free

Mancos Cowboy Half Marathon, 5K, and Fun Run

Mancos, Colorado
Sat 18 Oct 25
Free - $91.10

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

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, Colorado
Sat 25 Oct 25
$22.20

Race to Cure Sarcoma Denver

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

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

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

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

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

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

Run DENVER/AURORA "The Mile High City" 5K/10K/13.1 FALL

Centennial, Colorado
Sat 01 Nov 25
$32.80 - $52.94

Girls on Run Southern Colorado 5K

Colorado Springs, Colorado
Sat 01 Nov 25
$31.99

Colleen De Reuck XC Classic

Boulder, Colorado
Sat 01 Nov 25
$17.51 - $28.19

Turkey Trails- Denver

Lakewood, Colorado
Sat 01 Nov 25
$20.83 - $46.28

Trails 5K Run/Walk

Aurora, Colorado
Sat 01 Nov 25
$38.86

City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Denver, Colorado
Sat 01 Nov 25
$23.00 - $60.00

Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
Sat 01 Nov 25
$32.80 - $52.94

11th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand Brewing

Longmont, Colorado
Sat 01 Nov 25
$49.00 - $149.40

All-Out Kooky-Spooky

Golden, Colorado
Sun 02 Nov 25
$43.40 - $80.50

Turkey Trails - Colorado Springs

Colorado Springs, Colorado
Sun 02 Nov 25
$20.83 - $46.28

Feet for Justice Run

Denver, Colorado
Sun 02 Nov 25
$12.18 - $44.20

RMRR November Trophy Series

Denver, Colorado
Sun 02 Nov 25
$11.60

Dragon Dash 5K Run/Walk

Denver, Colorado
Sun 02 Nov 25
$33.50

Girls on the Run Northern Colorado Fall 5K

Fort Collins, Colorado
Sun 02 Nov 25
$31.99

Alamosa Veterans Memorial Park Race

Alamosa, Colorado
Sat 08 Nov 25
$20.00 - $35.00

Denver Veterans Day Run

Denver, Colorado
Sat 08 Nov 25
$48.95 - $70.15

Colorado Springs Veterans Day 5k

Colorado Springs, Colorado
Sun 09 Nov 25
$29.62 - $32.80

Girls on the Run Denver Metro 5K

Denver, Colorado
Sun 09 Nov 25
$21.39 - $31.99

The Great Candy Run

Denver
Sun 09 Nov 25
Free - $40.00
Showing 1-40 of 77 results
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