The Colfax Marathon weekend of races will not be held in May, 2021. Due to the impact of COVID, the Colfax Marathon is now scheduled for the weekend of October 16-17, 2021. More details on the weekend schedule and start times will be announced at a later time. The Colfax Marathon will plan to return to its historical May dates in 2022.
If earlier this year you chose to defer to 2021, you are entered for 2021. You will need to confirm your registration details in early 2021. If your plans have changed, you will be able to choose to defer to 2022 at that time. More information will come in early 2021.
Registration will open early 2021 for new registrants.
Oct 16-17, 2021 race weekend details will be finalized after the Broncos schedule is announced in April. (For example, a Sunday home game may mean the main race day will be on Saturday, not Sunday. The 5K would then change to Sunday.