2 Day Mile High Challenge

NEW FOR 2019!    Run an individual race on Sunday and the 5k on saturday and you’ll receive our Colfax 2 day Mile High Challenge medal as well as your sunday medal.

2 Day Mile HIgh Challenge

Run Saturday and the marathon, half or urban 10 on Sunday and you’ve completed the Mile High 2 Day Challenge.    You will receive the 2 day medal – which stands to display your accomplishment!

Register Now for Sunday and Saturday

Not yet registered and want to do the 2 day challenge?

When you register for the marathon, half or urban 10 miler, there is a now a question on the registration page asking if you’d like to do the 2 day challenge.   Check yes and you’ll be set!

Marathon, Half, Urban 10 miler – Register Now for the 2 day challenge