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10k Runs Found In Colorado in Fall

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10k Runs in Colorado in Fall 2025

Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 10k Runs in Colorado below.

Race Calendar: 10k Runs Found In Fall

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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 - $186.50
πŸš€Boosted

Boulderthon 5k/10k Training Program

Boulder, Colorado
06 Aug 25 - 28 Sep 25
$110.00
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2025 Team CKF Running Series

Aspen, Colorado
22 Feb 25 - 30 Dec 25
Free

Fleet Feet Denver Fall 10k Eight-Week Training Program

Littleton, Colorado
05 Aug 25 - 28 Sep 25
$110.00

Boulderthon 5k/10k Training Program

Boulder, Colorado
06 Aug 25 - 28 Sep 25
$110.00

Labor Day Half Marathon

Parker, Colorado
01 Sep 25
$37.64 - $83.00

HRCA Wildcat Mountain Trail Races

Littleton, Colorado
06 Sep 25
$11.85 - $54.25

RMRR September Trophy Series

Thornton, Colorado
07 Sep 25
$11.60

Hedgehog Dash 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado
13 Sep 25
$32.80 - $48.70

All-Out Fall Fest

Westminster, Colorado
13 Sep 25
$32.80 - $69.90

Spooky Sprint - Colorado Springs

Colorado Springs, Colorado
13 Sep 25
$20.83 - $59.10

Parker Parks and Recreation So Long to Summer 5K/10K

Parker, Colorado
13 Sep 25
$43.65 - $54.25

Trail Sisters Women's Half Marathon & 10k

Buena Vista, Colorado
13 Sep 25
$69.90 - $107.00

National Chocolate Day: Run for Chocolates DENVER/AURORA

Centennial, Colorado
13 Sep 25
$32.80 - $48.70

Spooky Sprint - Denver

Littleton, Colorado
14 Sep 25
$23.98 - $60.16

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 - $186.50

Beulah Challenge and OverIt Series

Beulah, Colorado
20 Sep 25
$18.25 - $187.25

Spargetoberfest 5/10K

Wellington, Larimer
20 Sep 25
$25.00 - $35.00

Move Forward 5K & 10K

Denver, Colorado
20 Sep 25 - 27 Sep 25
$22.45 - $40.47

13th Annual Superhero Event

Greeley, Colorado
20 Sep 25 - 28 Sep 25
Free - $43.40

Autumn Run

Buena Vista, Colorado
20 Sep 25
$33.53 - $92.24

19th Annual Golden Gallop

Golden, Colorado
21 Sep 25
$22.45 - $48.95

National Singles Day: Singles & Friends Running DENVER/AURORA

Centennial, Colorado
27 Sep 25
$32.80 - $48.70

National Coffee Day: Run for Coffee DENVER/AURORA

Centennial, Colorado
27 Sep 25
$32.80 - $48.70

Pioneer Prairie Dog Half, 10k & 5k

Westminster, Colorado
27 Sep 25
Free - $80.00

Not So Flatt Breast Cancer Awareness Run/Walk

Westminster, Colorado
04 Oct 25
$10.00 - $40.00

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

Centennial, Colorado
04 Oct 25
$32.80 - $48.70

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

Centennial, Colorado
04 Oct 25
$32.80 - $48.70

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

Louisville, Colorado
05 Oct 25
$32.80 - $105.94

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, Colorado
05 Oct 25
$20.00 - $130.00

Breckenridge Road Marathon

Breckenridge, Colorado
11 Oct 25
$25.79 - $122.19

The bRUNch Runβ„’

Denver, Colorado
12 Oct 25
$43.40 - $75.20

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

Centennial, Colorado
18 Oct 25
$32.80 - $48.70

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

Centennial, Colorado
18 Oct 25
$32.80 - $48.70

Ghosts and Goblins 5K/10K

Denver, Colorado
26 Oct 25
$34.40 - $45.20

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

Denver, Colorado
01 Nov 25
$20.00 - $50.00

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

Centennial, Colorado
01 Nov 25
$32.80 - $48.70

Turkey Trails - Colorado Springs

Colorado Springs, Colorado
01 Nov 25
$20.83 - $46.28

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

Centennial, Colorado
01 Nov 25
$32.80 - $48.70

All-Out Kooky-Spooky

Golden, Colorado
02 Nov 25
$32.80 - $69.90

Turkey Trails- Denver

Lakewood, Colorado
02 Nov 25
$20.83 - $46.28

Alamosa Veterans Memorial Park Race

Alamosa, Colorado
08 Nov 25
$20.00 - $35.00
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