Relay ultramarathons in Arizona, United States

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

Century and 140-mile races on the longest unbroken stretch of Historic Route 66, desert views from Peach Springs to Topock66, Andy Payne Cup competition

Legendary Route 66 journey through valleys, pine forests, rugged mountains, and deserts with iconic Americana landmarks and generous time limits

50-mile paved route on Tucson’s Loop, starting and finishing at Rillito Park via parks, greenways, and river corridor washes