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Colorado 5K Races
A friendly 3.1-mile entry point for new runners, families, and charity fun runs across Colorado's Rocky Mountains. Find upcoming 5K races near you on RaceCenter.
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Colorado
Hub
Marathon
Half Marathon
5K
10K
Loveland
October 31, 2026
Narrowleaf Lake & Pumpkin Run
10K
15K
5K
Denver
November 7, 2026
City Park 5k & 1 Mile Walk of Hope for Pancreatic Cancer Research
5K
Arvada
November 21, 2026
10k Turkey TREK
5K
10K
Broomfield
November 26, 2026
Broomfield Turkey Day 5k
5K
10K
Thornton
December 12, 2026
Winterfest 5k
5K
Denver
December 19, 2026
Santa's Dash for Ca$h 5k
1 Mile
5K
Fort Collins
December 31, 2026
Resolution Run 5K
5K
Denver
January 1, 2027
Resolute Runner
5K
Louisville
January 17, 2027
Colorado Cold Rush 5k/10k
10K
5K
Arvada
February 13, 2027
Heart Throb 5K
5K
Highlands Ranch
February 28, 2027
Highlands Ranch 5k/10k
10K
5K
Fort Collins
March 13, 2027
Sharin' O' The Green 5k
5K
Denver
March 28, 2027
The Central Park 5K
5K
Denver
April 4, 2027
Donut Dash
5K
Arvada
April 11, 2027
Spring Fling Prairie Dog Half Marathon 10K & 5K
5K
10K
Half Marathon
Denver
April 25, 2027
Unicorn 5k (Denver - East)
5K
1 Mile
Colorado Springs
May 1, 2027
Take 5 in the Garden of the Gods
5K
Longmont
May 2, 2027
Longmont Half Marathon & 5K
5K
Half Marathon
Westminster
May 9, 2027
Colorado Women's Classic 10 Miler, 5k/10k
5K
10K
10 Mile
Denver
May 15, 2027
Denver Colfax Marathon and Half Marathon
Half Marathon
Marathon
10 Mile
Relay
5K
Boulder
June 6, 2027
Colorado 13er
5K
Half Marathon
10K
Thornton
June 19, 2027
Unicorn 5k (Denver - North)
5K
1 Mile
June 19, 2027
Red, White and Brew 5k, 10k & Half Marathon
10K
5K
Half Marathon
Arvada
June 20, 2027
Father's Day Classic
5K
1 Mile
10K
Loveland
June 26, 2027
Timberview Trail Run
10 Mile
10K
5K
Louisville
July 4, 2027
Let Freedom Run - Louisville
5K
10K
Castle Rock
July 17, 2027
Summer Splash Prairie Dog Half Marathon, 10k & 5k
5K
10K
Half Marathon
Boulder
August 6, 2027
Rocky Mountain Half & 5K
5K
Half Marathon
Highlands Ranch
August 7, 2027
Unicorn 5k (South)
5K
1 Mile
Denver
August 15, 2027
Erie Half & 5K
5K
Half Marathon
Westminster
August 22, 2027
Pioneer Prairie Dog Half Marathon, 10K & 5K
5K
10K
Half Marathon
Denver
August 28, 2027
Rock Hawk Trail Races
10K
5K
25K
50K
Ultramarathon
