September ultramarathons in Arizona, United States

Rugged 100-mile route on the Mogollon Rim with 18,000 feet of gain, high desert to Ponderosa Pine transitions, six major climbs, and technical trails.

Challenging trail races on the Arizona Trail with singletrack, rugged jeep roads, significant elevation gain, and scenic high-country forest landscapes

100-mile route from Flagstaff to the Grand Canyon on the Arizona Trail, with 7,000 feet of elevation gain, historic stagecoach tracks, and diverse forested high

Desert night run under a full moon with multiple distance options, featuring 50-kilometer and 75-kilometer routes on McDowell Mountain Regional Park trails

Rugged Arizona Snowbowl trails with alpine scenery, technical paths, and relentless elevation gain up to 11,500ft on steep mountain loops.

Scenic dirt trails and roads around SP Crater, 150 feet of elevation gain per 4.167-mile loop, hourly starts, last runner standing format

Highly technical 50K through Prescott’s granite country, with rocky climbs, quick descents, and pristine singletrack among boulders and juniper desert.