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The Flagstaff Marathon
Off-road single track above 8000 feet in Coconino Forest
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Grand Circle Trailfest: Horseshoe Bend Race
Desert trail racing above the iconic bend of the Colorado
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Pink Out 5K
Loops through Phoenix's Steele Indian School Park
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Everyone Runs Catalina State Park 50-Year Trail Race and 5K Trail Run & Walk
Desert trail below the Santa Catalina Mountains
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Canyon de Chelly Ultra
Drops into Canyon de Chelly on the Navajo Nation
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Thrasher Night Trail
Loops Slate, Quartz, Go John & Overton trails after dark
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Red Rocks of Sedona Trail Race
Runs the red rock trails of Sedona's southside
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Cave Creek Thriller Trail Runs
50K & 24K run point-to-point along the Maricopa Trail
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Horseshoe Bend Ultras
Run slot canyons and the rim of a world famous desert bend
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Man Against Horse Race
Runners race horses through Prescott National Forest
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A-Mountain Half Marathon + 4-Miler + Family Mile
Past Tucson's landmark 'A' on Sentinel Peak
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.