The Colorado Marathon

02/26/26 Full Marathon Update: We have less than 20 Charity Fund entries for the full marathon and will probably sell out within a couple of weeks. These entries are the only way to register for the full marathon at this time. Once the Charity Fund entries are sold out, there will be no additional registration for the full marathon. 02/27/26 Half Marathon Update: The half marathon has sold out of standard entries! We have less than 50 standard entries left. Charity Fund entries are $340 for the half marathon and are the only way to register for the half marathon now. We reserve a limited number of Charity Fund entries where all proceeds go to the charities and non-profits that partner with the race. Once these are sold out, there will be no additional registration for the half marathon.  Join us for the Colorado Marathon in Fort Collins this May! Our annual event takes place in the stunning Poudre Canyon and the gorgeous natural areas of Fort Collins in Northern Colorado. Each year, th