2020 Colorado Marathon Change of Entry

Event Date: Sunday, May 3rd, 2020

This form is for registrants who wish to change distances for the 2020 event. 

Runners cannot change distances on race morning.
The change of entry fee is $20. (Increasing your distance may incur an additional cost)
For event information visit www.thecoloradomarathon.com

Click on a button below to begin your registration: