5K Races in Colorado

Find upcoming 5k races in Colorado — with dates, locations, and direct registration links.

236 upcoming 5k races found in Colorado

Upcoming 5K Races in Colorado

FREE 5K ENTRIES: First 75 SVVSD Students to enter!!!+4

Aug 15

Sunrise Stampede

Sat, August 15, 2026

Longmont, CO

View Race

CWCS 5K Color Fun Run

Aug 15

CWCS 5K Color Fun Run

Sat, August 15, 2026

Montrose, CO

View Race

Half Marathon+2

Aug 15

Endurance Race Series – Westminster 13.1 , 10K, 5K

Sat, August 15, 2026

Westminster, CO

View Race

5K+2

Aug 15

The Cheyenne Mountain Run

Sat, August 15, 2026

Colorado Springs, CO

View Race

2 Mile Walk+3

Aug 15

Miles for Migraine Colorado

Sat, August 15, 2026

Denver, CO

View Race

5k Walk/run

Aug 15

Yuma Police Department Donut 5k

Sat, August 15, 2026

Yuma, CO

View Race

5K Registration+5

Aug 15

Bagel Run 5K/10K/13.1 DENVER/AURORA

Sat, August 15, 2026

Centennial, CO

View Race

5K Registration+5

Aug 15

Run for PB& J 5K/10K/13.1 DENVER/AURORA

Sat, August 15, 2026

Centennial, CO

View Race

Frontier Academy's 15th Annual 5K

Aug 15

Frontier Academy Community 5K

Sat, August 15, 2026

Greeley, CO

View Race

Half Marathon+1

Aug 16

Erie Half & 5k

Sun, August 16, 2026

Erie, CO

View Race

5K Run/Walk

Aug 16

Cancer League of Colorado Race 4 Research

Sun, August 16, 2026

Denver, CO

View Race

Into the Hills Eltuck 5k

Aug 18

Into the Hills Eltuck 5k

Tue, August 18, 2026

Bellvue, CO

View Race

5K Run or Walk+1

Aug 22

2026 True Impact Ministries 5K/10K

Sat, August 22, 2026

Centennial, CO

View Race

Warrior Waterfront 5K

Aug 22

Warrior Waterfront 5K

Sat, August 22, 2026

Grand Junction, CO

View Race

Coyote Chase 5k

Aug 22

Coyote Chase 5k

Sat, August 22, 2026

Louisville, CO

View Race

Jog in the Bog 5k

Aug 22

Jog in the Bog 5k

Sat, August 22, 2026

Westminster, CO

View Race

Half Marathon+1

Aug 22

Byers Peak Stampede Half Marathon & 5K Run

Sat, August 22, 2026

Fraser, CO

View Race

5k Run+2

Aug 23

Rebel Run 5k

Sun, August 23, 2026

Denver, CO

View Race

Log Hill Hustle 5k+3

Aug 23

11th Annual Log Hill Hustle

Sun, August 23, 2026

Ridgway, CO

View Race

Half Marathon+2

Aug 23

Pioneer Prairie Dog Half, 10k & 5k

Sun, August 23, 2026

Westminster, CO

View Race

5K Registration+5

Aug 29

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

Sat, August 29, 2026

Centennial, CO

View Race

5K Trail Run+2

Aug 29

RexRun For PAWSitivity 2026 Trail Run/Walk

Sat, August 29, 2026

Aurora, CO

View Race

5K Registration+5

Aug 29

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

Sat, August 29, 2026

Centennial, CO

View Race

Rocky Mountain 5K+1

Aug 29

Rocky Mountain 5K presented by School District 11

Sat, August 29, 2026

Colorado Springs, CO

View Race

5K

Aug 29

Waneka Classic 5K

Sat, August 29, 2026

Lafayette, CO

View Race

5K Run/Walk+1

Aug 29

Historic Elizabeth Main Street 5K & Family Color Run

Sat, August 29, 2026

Elizabeth, CO

View Race

5K Walk/Run/Roll+2

Aug 29

Glow & Roll: Illuminate What's Possible

Sat, August 29, 2026

Littleton, CO

View Race

5K Run/Walk+2

Aug 29

Run for Hope - Colorado Springs

Sat, August 29, 2026

Colorado Springs, CO

View Race

5K Run+1

Aug 29

Run Like the Wind 5k / 2k / Dog Jog

Sat, August 29, 2026

Allenspark, CO

View Race

5K+3

Aug 30

James Test Site

Sun, August 30, 2026

Lyons, CO

View Race