Races in Colorado
33 races
All-Out Fallfest Half Marathon
Half Marathon10K
September 19, 2026Westminster, CO, USA
Colorado Fall Equinox Marathon
MarathonHalf MarathonBQ
September 20, 2026Fort Collins, CO, USA
Pikes Peak Marathon
MarathonHalf Marathon
September 20, 2026Manitou Springs, CO, USA
Boulderthon Marathon
MarathonHalf MarathonBQ
September 27, 2026Boulder, CO, USA
Colorado Springs Marathon
MarathonHalf Marathon
October 03, 2026Colorado Springs, CO, USA
Windsor Marathon
MarathonHalf Marathon
October 04, 2026Windsor, CO, USA
Long View Marathon
MarathonHalf MarathonBQ
October 10, 2026Loveland, CO, USA
Breckenridge Road Marathon
MarathonHalf Marathon
October 11, 2026Breckenridge, CO, USA
Durango Marathon
MarathonHalf Marathon
October 11, 2026Durango, CO, USA
Blue Sky Marathon
MarathonHalf Marathon
October 17, 2026Fort Collins, CO, USA
Mancos Cowboy Half Marathon
Half Marathon5K
October 24, 2026Mancos, CO, USA
Rim Rock Marathon
MarathonHalf Marathon
November 01, 2026Fruita, CO, USA
That Dam Run Half Marathon
Half Marathon10K
March 07, 2027Greenwood Village, CO, USA
Run Through Time Marathon
MarathonHalf Marathon
March 13, 2027Salida, CO, USA
Bigfoot Half Marathon
Half Marathon5K
April 24, 2027Estes Park, CO, USA
Colorado Marathon
MarathonHalf MarathonBQ
May 02, 2027Fort Collins, CO, USA
Hometown Half Marathon - Denver
Half Marathon5K
May 09, 2027Denver, CO, USA
Colfax Marathon
MarathonHalf MarathonBQ
May 16, 2027Denver, CO, USA
BOLDERBoulder
10K
May 31, 2027Boulder, CO, USA
Steamboat Marathon
MarathonHalf MarathonBQ
June 06, 2027Steamboat Springs, CO, USA
Estes Park Marathon
MarathonHalf Marathon
June 20, 2027Estes Park, CO, USA
Hardrock 100
Ultra
July 09, 2027Silverton, CO, USA
Leadville Trail 100
Ultra
August 21, 2027Leadville, CO, USA
Mt. Sneffels Half Marathon
Half Marathon10K
August 21, 2027Ouray, CO, USA
TBK Bank Thirsty 13 Half Marathon
Half Marathon
August 28, 2027Durango, CO, USA
Runs With Scissors Races
UltraMarathon
2027 TBD · AprilBrighton, CO, USA
Leadville Trail Marathon & Heavy Half
Marathon
2027 TBD · JuneLeadville, CO, USA
Silverton Alpine Marathon
MarathonUltra
2027 TBD · JulySilverton, CO, USA
Aspen Valley Marathon
MarathonHalf MarathonBQ
2027 TBD · JulyAspen, CO, USA
Aspen Backcountry Marathon
UltraMarathon
2027 TBD · AugustAspen, CO, USA
Boulder Rez Marathon
MarathonHalf MarathonBQ
2027 TBD · AugustBoulder, CO, USA
Staunton Rocks! Marathon
MarathonHalf Marathon
2027 TBD · AugustPine, CO, USA
American Heroes Run
UltraMarathon
2027 TBD · SeptemberLongmont, CO, USA