Conquer Arizona’s desert trails in an epic endurance showdown.

The 6 & 12 Hours of Fury is an exhilarating mountain bike endurance race taking place November 15, 2025, in McDowell Regional Park near Fountain Hills, Arizona. Riders participate solo or as part of DUO, TRIO, or QUADRO teams, challenging themselves across 6 or 12 hours of continuous riding. The event features a challenging 15-mile desert loop packed with technical terrain, sharp corners, sandy arroyos, and short climbs, making it a true test of stamina and skill. Experience a thrilling adventure as you push your limits through stunning desert scenery and join the camaraderie of the Arizona MTB racing community.

The course is a 15-mile loop through McDowell Regional Park, consisting of singletrack trails with sandy arroyos, short climbs, wide flats, and technical corners. Riders complete as many laps as possible within their chosen timespan.

• Solo and team categories (DUO, TRIO, QUADRO) for flexible participation
• Challenging 15-mile loop in Arizona's iconic desert landscape
• Variety of technical features for all skill levels
• Scenic McDowell Mountain Regional Park setting
• Arizona MTB Racing Calendar event