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Colorado 10K Races
A 6.2-mile step up that rewards steady pace and a bit more training across Colorado's Rocky Mountains. Find upcoming 10K races near you on RaceCenter.
Marathon
Half Marathon
5K
10K
Colorado
Race List
September 27, 2026
Boulderthon
Boulder
October 4, 2026
2026 SKECHERS Hot Chocolate Run - Denver
Denver
October 31, 2026
Narrowleaf Lake & Pumpkin Run
Loveland
November 21, 2026
10k Turkey TREK
Arvada
January 17, 2027
Colorado Cold Rush 5k/10k
Louisville
February 6, 2027
Stories Trail Runs
Colorado Springs
February 28, 2027
Highlands Ranch 5k/10k
Highlands Ranch
March 13, 2027
Erin Go Bragh 7.77k
Westminster
April 10, 2027
Desert Rats Trail Running Festival
Fruita
April 17, 2027
Rattler Trail Races
Colorado Springs
April 24, 2027
NoCo Half Marathon & 10K
Loveland
May 9, 2027
Colorado Women's Classic 10 Miler, 5k/10k
Westminster
May 15, 2027
Endure Trail Runs
May 31, 2027
BOLDERBoulder 2027
Boulder
June 6, 2027
Colorado 13er
Boulder
June 12, 2027
Summits Trail Runs
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
