Mayhem Night Trail
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Event details
Mayhem Night Trail is a night trail running event on Saturday, December 6, 2025 at McDowell Mountain Regional Park in Fort McDowell, Arizona. Distances offered are:
- 25K
- 10 Mile
- 5 Mile
The race is part of the Insomniac Night Series and corresponds with the McDowell Mountain Frenzy day races. The courses stay within the park's competitive track trails and feature winding single-track sections with short steep climbs and drops. The 25K lists about 15.2 miles total distance, with 1,341 feet of elevation gain and a maximum elevation near 1,827 feet; the 10 Mile lists about 800 feet of gain; the 5 Mile lists about 500 feet of gain.
Course, support and logistics
Aid support includes one full remote aid station (Gate Aid) and a water-only station passed on each loop. Aid station supplies include water, ice, electrolyte drink, salty and sweet snacks, fruit, pb&j, bean rollups, and hot food options. Crews are allowed at the start/finish only; pacers are not allowed for any distance. Drop bags are provided at the start/finish area.
Courses are marked with orange plastic ribbons with black polka dots, reflective medallions, laminated signs, and blue-and-white checkerboard flagging for wrong-way trails. Medical staff will be based at the start/finish area. The park charges an entry fee per vehicle; camping is available in park campgrounds and a group site 2.5 miles from the event. All night runs are cupless; reusable cups will be available. Visit the organization's website for the most recent information.