Online registration for 2015 is now open.

Sign up here

to ensure entry for this year's race.

The Colorado Marathon is an environmentally concious event, thus we will only have online registration in an effort to reduce the environmental impact of paper waste and other resources. Thank you for your support.

There is no race day packet pick-up.

Race Fees

View RACE FEES for information regarding the fees associated with each race.

Your Entry Includes

(Coming soon)