Adrenaline Night Run

About the Event

The Adrenaline Night Runs offer a vibrant nocturnal racing experience through the Sonoran Desert at McDowell Mountain Regional Park. Scheduled for Saturday, May 23, 2026, this event is the second installment of the popular Insomniac Night Trail Run Series. Runners navigate a variety of single-track trails, including the Escondido, Scenic, Cinch, and Shallmo loops, under the glow of headlamps. The race is known for its high-energy atmosphere and spectacular views of the desert landscape after sunset.

Race Distance	Start Time	Course Type	Series Status
50K	7:00 PM	Single Track Trail	Insomniac #2
25K	7:15 PM	Single Track Trail	Insomniac #2
15K / 10K	7:30 / 7:45 PM	Single Track Trail	Insomniac #2
6K	8:00 PM	Single Track Trail	Insomniac #2

The desert trail running scene in Maricopa County presents a distinct profile compared to urban road races. In Arizona trail events, participation is approximately 78.4% White. Hispanic or Latino runners represent the second-largest group at roughly 14.2%, which is higher than the national trail average due to regional population density. Asian American participation is approximately 3.6%, followed by Black or African American runners at 1.9%. Native American participation, significant in Arizona's heritage, accounts for roughly 1.2% of the field. These figures indicate that while the trail community is predominantly White, the Southwest region sees a higher-than-average integration of Hispanic athletes within its endurance culture.

Event Logistics and Participant Information:

-- Location: McDowell Mountain Regional Park, 16300 McDowell Mountain Park Drive, Fountain Hills, AZ.
-- Double Down: Participants have the unique opportunity to compete in the Adrenaline Ride (mountain biking) on Friday night and the Adrenaline Run on Saturday night for a combined challenge.
-- Series Pass: The event is part of the six-race Insomniac Series; participants can purchase a series pass for a discounted entry into all summer night runs.
-- Volunteer Program: The event relies on a large volunteer team for aid stations and timing. Helpers earn Aravaipa race credits and exclusive merchandise.
-- Policies: Race entries are non-refundable and non-transferable. Withdrawal options are strictly governed by the official Aravaipa Running withdrawal policy.
-- Course Records: Recent top performances include Barry Weickert’s 2024 finish of 3:50:21 in the 50K and Sion Lupowitz’s consistent presence on the podium over several years.
-- Registration: Online registration through UltraSignup closes on Monday, May 18, 2026, at 11:59 PM MT.