This challenge is for cyclists who are physically and mentally tough, excel in the face of challenges, abide by the rules of the road, and can ride 200 miles self-supported with over 21,000 feet of climbing in two days at an average pace of 16 mph or faster.

The Phoenix Challenge is not for novice cyclists.

If this sounds like you, then head over to request an early invitation: https://www.mile18inc.com/phoenix-challenge-ride/