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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.
Marathon
Half Marathon
5K
10K
Colorado
Race List
September 20, 2026
Spring Equinox Half Marathon & 5k
Wellington
September 27, 2026
Boulderthon
Boulder
October 3, 2026
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs
October 4, 2026
2026 SKECHERS Hot Chocolate Run - Denver
Denver
October 10, 2026
Long View Marathon & Half
Fort Collins
October 11, 2026
Westy Half & 5K
Westminster
October 17, 2026
Living Water 5K Fun Run and Family Friendly 1mile race/walk!
Denver
October 31, 2026
Narrowleaf Lake & Pumpkin Run
Loveland
November 7, 2026
City Park 5k & 1 Mile Walk of Hope for Pancreatic Cancer Research
Denver
November 21, 2026
10k Turkey TREK
Arvada
December 12, 2026
Winterfest 5k
Thornton
December 19, 2026
Santa's Dash for Ca$h 5k
Denver
December 31, 2026
Resolution Run 5K
Fort Collins
January 1, 2027
Resolute Runner
Denver
January 17, 2027
Colorado Cold Rush 5k/10k
Louisville
February 13, 2027
Heart Throb 5K
Arvada
February 28, 2027
Highlands Ranch 5k/10k
Highlands Ranch
March 13, 2027
Sharin' O' The Green 5k
Fort Collins
March 28, 2027
The Central Park 5K
Denver
April 4, 2027
Donut Dash
Denver
April 25, 2027
Unicorn 5k (Denver - East)
Denver
May 1, 2027
Take 5 in the Garden of the Gods
Colorado Springs
May 9, 2027
Colorado Women's Classic 10 Miler, 5k/10k
Westminster
June 6, 2027
Colorado 13er
Boulder
June 26, 2027
Timberview Trail Run
Loveland
July 4, 2027
Let Freedom Run - Louisville
Louisville
July 17, 2027
Summer Splash Prairie Dog Half Marathon, 10k & 5k
Castle Rock
August 6, 2027
Rocky Mountain Half & 5K
Boulder
August 15, 2027
Erie Half & 5K
