Half Marathons in Colorado
Running on Thanksgiving? Find a turkey trot near you →30 races
Rim Rock Marathon
Half MarathonMarathon
November 01, 2026Fruita, CO, USA
That Dam Run Half Marathon
Half Marathon10K
March 07, 2027Greenwood Village, CO, USA
Run Through Time Marathon
Half MarathonMarathon
March 13, 2027Salida, CO, USA
Bigfoot Half Marathon
Half Marathon5K
April 24, 2027Estes Park, CO, USA
Colorado Marathon
Half MarathonMarathonBQ
May 02, 2027Fort Collins, CO, USA
Hometown Half Marathon - Denver
Half Marathon5K
May 09, 2027Denver, CO, USA
Colfax Marathon
Half MarathonMarathonBQ
May 16, 2027Denver, CO, USA
Steamboat Marathon
Half MarathonMarathonBQ
June 06, 2027Steamboat Springs, CO, USA
Estes Park Marathon
Half MarathonMarathon
June 20, 2027Estes Park, CO, USA
Aspen Backcountry Marathon
Half MarathonMarathon
July 31, 2027Aspen, CO, USA
Bound for Boston Marathon (Denver)
Half MarathonMarathonBQ
August 01, 2027Denver, 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
Autumn Run
Half Marathon10K
September 18, 2027Buena Vista, CO, USA
All-Out Fallfest Half Marathon
Half Marathon10K
September 18, 2027Westminster, CO, USA
Pikes Peak Marathon
Half MarathonMarathon
September 19, 2027Manitou Springs, CO, USA
Boulderthon Marathon
Half MarathonMarathonBQ
September 26, 2027Boulder, CO, USA
Colorado Springs Marathon
Half MarathonMarathonBQ
October 02, 2027Colorado Springs, CO, USA
Runs With Scissors Races
Half MarathonMarathon
2027 TBD · AprilBrighton, CO, USA
Aspen Valley Marathon
Half MarathonMarathonBQ
2027 TBD · JulyAspen, CO, USA
Boulder Rez Marathon
Half MarathonMarathonBQ
2027 TBD · AugustBoulder, CO, USA
Staunton Rocks! Marathon
Half MarathonMarathon
2027 TBD · AugustPine, CO, USA
American Heroes Run
Half MarathonUltra
2027 TBD · SeptemberLongmont, CO, USA
Colorado Fall Equinox Marathon
Half MarathonMarathonBQ
2027 TBD · SeptemberFort Collins, CO, USA
Windsor Marathon
Half MarathonMarathon
2027 TBD · OctoberWindsor, CO, USA
Long View Marathon
Half MarathonMarathonBQ
2027 TBD · OctoberLoveland, CO, USA
Breckenridge Road Marathon
Half MarathonMarathon
2027 TBD · OctoberBreckenridge, CO, USA
Durango Marathon
Half MarathonMarathon
2027 TBD · OctoberDurango, CO, USA
Blue Sky Marathon
Half MarathonMarathon
2027 TBD · OctoberFort Collins, CO, USA
Mancos Cowboy Half Marathon
Half Marathon5K
2027 TBD · OctoberMancos, CO, USA