10K Races in Colorado

Find upcoming 10k races in Colorado — with dates, locations, and direct registration links.

108 upcoming 10k races found in Colorado

Upcoming 10K 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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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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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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5K Run/Walk+2

Nov 14

Denver Veterans Day Run

Sat, November 14, 2026

Denver, 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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5K+2

Oct 25

Ghosts and Goblins 5K/10K

Sun, October 25, 2026

Denver, 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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Half Marathon+3

Sep 6

Labor Day Half Marathon

Mon, September 6, 2027

Parker, CO

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5K Registration+5

Oct 31

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

Sat, October 31, 2026

Centennial, CO

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Half Marathon+2

Aug 22

Pioneer Prairie Dog Half, 10k & 5k

Sun, August 22, 2027

Westminster, CO

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5K+2

Nov 21

Pumpkin Pie 5K/10K

Sat, November 21, 2026

Denver, CO

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5k run or walk+5

Jun 19

Red, White and Brew 5k, 10k & Half Marathon

Sat, June 19, 2027

Windsor, CO

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5K Registration+5

Nov 14

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Sat, November 14, 2026

Centennial, CO

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5K Registration+5

Jun 19

Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA

Sat, June 19, 2027

Centennial, CO

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Santa Catch 5K+2

Dec 12

Santa Catch 5k & 10k

Sat, December 12, 2026

Windsor, CO

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5K Registration+5

Apr 10

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

Sat, April 10, 2027

Centennial, CO

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1 Mile+9

Oct 31

Spooky Sprint - Colorado Springs

Sat, October 31, 2026

Colorado Springs, CO

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Kids Dash+6

Aug 8

Summer Sizzler- Colorado Springs

Sun, August 8, 2027

Colorado Springs, CO

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Kids Dash+6

Aug 7

Summer Sizzler- Denver

Sat, August 7, 2027

Denver, CO

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Marathon+3

Jun 6

The Steamboat Marathon

Sun, June 6, 2027

Steamboat Springs, CO

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5K+5

Dec 5

Toy Drop

Sat, December 5, 2026

Loveland, CO

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Kids Dash+6

Jun 20

Treat Trot Colorado Springs

Sun, June 20, 2027

Colorado Springs, CO

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