Mayhem Night Trail

Mayhem Night Trail is a night-time trail race at McDowell Mountain Regional Park in Fort McDowell, Arizona. It features three distances: 25K (15.2 miles), 10 miles, and 5 miles, run on winding single-track with short climbs and drops. Runners navigate by headlamp under cool December skies, sharing the course with Frenzy day racers.

The event offers remote aid stations, drop-bag access, and clear course markings. Notable features include cupless participation with reusable cups, live tracking, Artworx finisher awards, and a Double Down medal for completing Frenzy and Mayhem on the same day. Date: Saturday, December 6, 2025. Visit the organization's website for the most recent information.