Course
An after-dark trail race on desert single-track loops at the Competitive Track area of McDowell Mountain Regional Park, Fountain Hills. Starts run from 5:00pm, so most of the field finishes by headlamp. One full remote aid station plus a water-only point serve the course, which is marked with reflective medallions.
25K25 km
10 Mile10 mi
5 Mile5 mi
Key dates
- !RegistrationOpen now
- ★Race daySat 5 Dec 2026
Date confirmed with the organiser · entry window checked by RunCalendar
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Save Mayhem Night Trail to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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