Adrenaline Night Runs
Fountain Hills, United States • 23 May 2026
Event overview
Adrenaline Night Runs takes place Saturday, May 23, 2026, at McDowell Mountain Regional Park in Fountain Hills / Fort McDowell, AZ. The event is part of the 2026 Insomniac Night Trail Run Series and offers multiple trail distances:
- 50K
- 25K
- 15K
- 10K
- 6K
Race entries are non-refundable and non-transferable. Online registration closes on May 18; on-site registration may be available if spots remain. Packet pickup is offered at Aravaipa Headquarters and at the park on race day.
Course and race logistics
All courses use single-track desert trails in McDowell Mountain Regional Park and include sections on the Escondido, Cinch, Scenic ridge, and Shallmo trails. The 50K uses long and short loops that reunite on the Shallmo Trail. Aid station provisions include a fully stocked start/finish station and a fully stocked remote Escondido aid station; the Pemberton station is water only. The event is CUPLESS - runners must bring a reusable cup or purchase one on site.
Crews are allowed at the start/finish area. Pacers are permitted only for 50K runners, beginning on the fourth loop (around 40K). Drop bag storage is available at the start/finish. Race perks include an Adrenaline-branded goody, finish-line photo, chip timing, aid stations, an Artworx finisher award, and podium awards for the top three male and female finishers. Medical support is provided on site. Visit the organization's website for the most recent information.