Trail ultramarathons in Arizona, United States

Night trail running on flat, fast routes through Usery Mountain Regional Park, featuring Chain Fruit, Lost Sheep, Channel, and Blevins Trails

Scenic White Tank Mountain trails and desert landscapes on a 52K night course

Point-to-point ultramarathon through the Sierra Prieta mountains with nearly 7,000 feet of elevation gain, rocky paths, and steep ascents and descents

Flat 500-meter USATF-certified crushed gravel loop at Nardini Manor, overnight hours on scenic, illuminated grounds

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.

50- or 100-mile clockwise loop around Prescott, linking standout singletrack and backcountry trails across rugged central Arizona terrain

Unmarked 45-mile loop from Schultz Creek Trailhead, Flagstaff, with 3,300 feet elevation gain and minimal aid on evolving singletrack routes

Ancient canyon trails past petroglyphs, 1,200-foot climb to Spider Rock overlook, sandy stretches, creek crossings, and sweeping desert vistas

Looped 50-mile course through rugged Mingus Mountain with 7,300 feet of elevation change, rocky trails beneath tall pines, and shared with horses

Desert sand and slickrock routes past Antelope Canyon and Horseshoe Bend, with singletrack loops and Lake Powell views near Page

Steep, rocky paths and open sun exposure on the Maricopa Trail, finishing in Cave Creek Regional Park with wide Sonoran Desert views

Rolling singletrack loops on the scenic Pemberton Trail, desert views, and a festive atmosphere in McDowell Mountain Regional Park

Rugged, remote Woodchute trails on Mingus Mountain; 6,000 feet of gain over 32 miles; tough terrain better suited for hiking than running