5K Races in Colorado

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

224 upcoming 5k races found in Colorado

Upcoming 5K Races in Colorado

Half Marathon+5

Dec 5

All-Out Fa La La

Sat, December 5, 2026

Westminster, CO

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Half Marathon+5

Nov 1

All-Out Kooky-Spooky

Sun, November 1, 2026

Golden, CO

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Half Marathon+5

Aug 7

All-Out Runapalooza

Sat, August 7, 2027

Arvada, CO

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Trick or Trot 5K+2

Oct 24

Apex Foundation Trick or Trot 5K & Halloween Hunt

Sat, October 24, 2026

Arvada, CO

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Half Marathon+3

Sep 18

Autumn Run

Sat, September 18, 2027

Buena Vista, CO

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5K Registration+5

Oct 10

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

Sat, October 10, 2026

Centennial, CO

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10k+2

Nov 26

Broomfield Turkey Day 5K/10K

Thu, November 26, 2026

Broomfield, CO

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Buena Vista Turkey Trot Family Fun Run+1

Nov 26

Buena Vista Turkey Trot 5K & Family Fun Run

Thu, November 26, 2026

Buena Vista, CO

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Half Marathon+1

Aug 21

Byers Peak Stampede Half Marathon & 5K Run

Sat, August 21, 2027

Fraser, CO

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Kids Dash+9

Dec 5

Candy Cane Course - Colorado Springs

Sat, December 5, 2026

Colorado Springs, CO

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Kids Dash+9

Dec 6

Candy Cane Course - Denver

Sun, December 6, 2026

Westminster, CO

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5k Run/Walk+2

Nov 7

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

Sat, November 7, 2026

Denver, CO

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5K Registration+5

Nov 28

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Sat, November 28, 2026

Centennial, CO

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5K Registration+5

Oct 10

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Sat, October 10, 2026

Centennial, CO

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Colorado Springs Veterans Day 5K+1

Nov 8

Colorado Springs Veterans Day 5k

Sun, November 8, 2026

Colorado Springs, CO

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5K Run/Walk+2

Nov 14

Denver Veterans Day Run

Sat, November 14, 2026

Denver, CO

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5K Dialysis Dash Run

Oct 10

Dialysis Dash 5K

Sat, October 10, 2026

Grand Junction, CO

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Durango Marathon+2

Oct 11

Durango Marathon

Sun, October 11, 2026

Durango, CO

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Half Marathon+1

Aug 15

Erie Half & 5k

Sun, August 15, 2027

Erie, CO

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10k+5

Jun 20

Father's Day Classic 10k, 5k, & 1 Mile

Sun, June 20, 2027

Arvada, CO

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Foundry 5K

Oct 31

Foundry Halloween 5k

Sat, October 31, 2026

Steamboat Springs, CO

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5K+2

Oct 25

Ghosts and Goblins 5K/10K

Sun, October 25, 2026

Denver, CO

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Gobble Wobble 5K Certified Course at Clement Park

Nov 26

Gobble Wobble Run 2026

Thu, November 26, 2026

Littleton, CO

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Kid's Dash+7

Sep 11

Golden Harvest Half Marathon & 5k/10k - Denver

Sat, September 11, 2027

Denver, CO

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5k Run+1

Jul 4

Greeley Freedom 5k Walk & Run

Sun, July 4, 2027

Greeley, CO

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5k+1

Oct 31

I Ain't Scared (of 5k)

Sat, October 31, 2026

Thornton, CO

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5K+1

Jul 4

Independence Day Freedom 5K

Sun, July 4, 2027

Buena Vista, CO

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5-Mile+3

Oct 17

Indian Creek Trail Runs

Sat, October 17, 2026

Sedalia, CO

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5K

Aug 16

James Test Site

Mon, August 16, 2027

Lyons, CO

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Half Marathon+3

Sep 6

Labor Day Half Marathon

Mon, September 6, 2027

Parker, CO

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