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5k Runs Found In Colorado in October

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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

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YMCA of Pueblo Spooky Sprint 5K

Pueblo, Colorado
25 Oct 25
$43.40
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Joy & Justice 5k

Timnath, Colorado
12 Oct 25
$16.90 - $43.40
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Everybody Welcome Mental Health Awareness 5k/3K Walk/Run

Colorado Springs, Colorado
13 Sep 25 - 11 Nov 25
$16.90 - $32.80

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

Runway 5K - Run for the Angels

Broomfield, Colorado
27 Sep 25 - 04 Oct 25
$27.75 - $43.65

Flyin' Ryan Memorial 5k

Greeley, Colorado
03 Oct 25
$22.20

Cheers to Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
04 Oct 25
$32.80 - $52.94

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
04 Oct 25
$32.80 - $52.94

Paws In The Park

Longmont, Colorado
04 Oct 25
$33.50

I Can 5k

Thornton, Colorado
04 Oct 25
Free

Rainbow Trail Lutheran Camp's 19th Annual Grace Race 5k

Denver, Colorado
04 Oct 25
$40.00

Not So Flatt Breast Cancer Awareness Run/Walk – 5K & 10K in Denver, CO

Westminster, Colorado
04 Oct 25
$10.00 - $40.00

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

Colorado Springs, Colorado
04 Oct 25 - 05 Oct 25
Free - $535.35

Big Waves Family 5K run/walk Presented by Brumate

Westminster, Colorado
04 Oct 25
$44.00

PRA Miner Gold Rush

Broomfield, Colorado
04 Oct 25
$15.00 - $40.00

Layafette Music Fest Half-Marathon/10K/5K

Louisville, Colorado
05 Oct 25
$32.80 - $105.94

RMRR October Trophy Series

Aurora, Colorado
05 Oct 25
$11.60

Strides for Sierra 5K run/walk

Arvada, Colorado
05 Oct 25
$11.60 - $107.00

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Windsor, Colorado
05 Oct 25
$20.00 - $135.00

Liberty Energy 5K - Benefiting the Bettering Human Lives Foundation

Denver, Colorado
05 Oct 25
Free - $38.35

ASDAsh 5k

Aurora, Colorado
11 Oct 25
$30.00

Lions Roar for Fitness 5k/2.5k Challenge

Pueblo, Colorado
11 Oct 25
$30.00

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

The Long View Marathon

Fort Collins, Colorado
11 Oct 25
$48.70 - $128.20

Kipling Villas 5K - 2025

Littleton, Colorado
11 Oct 25
$15.00

Suffer Better 9th Annual Fall Trail Runs

Pine, Colorado
11 Oct 25
$27.50 - $117.60

Gummball 5K

Brighton, Colorado
11 Oct 25
$33.05

Rubey Rescue Run

Aspen, Colorado
11 Oct 25
$65.00

Saint's Corp Pilgrimage Fun Run

Pagosa Springs, Colorado
11 Oct 25
$35.00

Joy & Justice 5k

Timnath, Colorado
12 Oct 25
$16.90 - $43.40

Westy Half & 5k

Westminster, Colorado
12 Oct 25
$45.00 - $70.00

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

Centennial, Colorado
18 Oct 25
$32.80 - $52.94

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

Centennial, Colorado
18 Oct 25
$32.80 - $52.94

Mancos Cowboy Half Marathon, 5K, and Fun Run

Mancos, Colorado
18 Oct 25
Free - $69.90

Homecoming 5k - Colorado State University

Fort Collins, Colorado
18 Oct 25
$28.38 - $44.35

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

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

Arvada, Colorado
25 Oct 25
$8.00 - $35.00

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, Colorado
25 Oct 25
$22.20
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