Half Marathons in Colorado
25 races
All-Out Fallfest Half Marathon
Half Marathon10K
September 19, 2026Westminster, CO, USA
Colorado Fall Equinox Marathon
Half MarathonMarathon
September 20, 2026Fort Collins, CO, USA
Pikes Peak Marathon
Half MarathonMarathon
September 20, 2026Manitou Springs, CO, USA
Boulderthon Marathon
Half MarathonMarathonBQ
September 27, 2026Boulder, CO, USA
Colorado Springs Marathon
Half MarathonMarathon
October 03, 2026Colorado Springs, CO, USA
Windsor Marathon
Half MarathonMarathon
October 04, 2026Windsor, CO, USA
Breckenridge Road Marathon
Half MarathonMarathon
October 10, 2026Breckenridge, CO, USA
Long View Marathon
Half MarathonMarathonBQ
October 10, 2026Loveland, CO, USA
Durango Marathon
Half MarathonMarathon
October 11, 2026Durango, CO, USA
Blue Sky Marathon
Half MarathonMarathon
October 17, 2026Fort Collins, CO, USA
Mancos Cowboy Half Marathon
Half Marathon5K
October 24, 2026Mancos, CO, USA
Rim Rock Marathon
Half MarathonMarathon
November 01, 2026Fruita, 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
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
Mt. Sneffels Half Marathon
Half Marathon10K
August 21, 2027Ouray, CO, USA
Runs With Scissors Races
Half MarathonUltra
2027 TBD · AprilBrighton, CO, USA
Leadville Trail Marathon
Half MarathonMarathon
2027 TBD · JuneLeadville, CO, USA
Aspen Valley Marathon
Half MarathonMarathonBQ
2027 TBD · JulyBasalt, CO, USA
Boulder Rez Marathon
Half MarathonMarathonBQ
2027 TBD · AugustBoulder, CO, USA
Staunton Rocks! Marathon
Half MarathonMarathon
2027 TBD · AugustPine, CO, USA
TBK Bank Thirsty 13 Half Marathon
Half Marathon
2027 TBD · AugustDurango, CO, USA