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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
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
I Can 5k
Thornton, Colorado
04 Oct 25
Free
Not So Flatt Breast Cancer Awareness Run/Walk
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
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
Windsor Marathon, Half Marathon, 10k & 5k
Windsor, Colorado
05 Oct 25
$15.00 - $120.00
The Long View Marathon
Fort Collins, Colorado
11 Oct 25
$38.10 - $107.00
Westy Half & 5k
Westminster, Colorado
12 Oct 25
$35.00 - $60.00
The bRUNch Runtrade mark
Denver, Colorado
12 Oct 25
$43.40 - $69.90
Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt
Arvada, Colorado
25 Oct 25
$8.00 - $35.00
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
Ghosts and Goblins 5K/10K
Denver, Colorado
26 Oct 25
$34.40 - $45.20
Big Waves Family 5K run/walk Whiteout Presented by Brumate
Westminster, Colorado
04 Oct 25
$44.00
Manitou 5K
Manitou Springs, Colorado
11 Oct 25
$25.00 - $40.00
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Denver, Colorado
14 Oct 25 - 17 Oct 25
Free
Showing 1-17 of 17 results