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Flagstaff Marathon
Saturday, October 3, 2026 · Flagstaff, United States
Distances
10K
Half
Full
Start location
Flagstaff, AZ
About this race
This off-road course, the Flagstaff Marathon, takes place within the Coconino National Forest, challenging runners with what's been called "the toughest trail marathon in northern Arizona." It earns its reputation as "The Coolest Marathon in Arizona" by immersing participants in the high-altitude wilderness.
The demanding route features a mix of forest roads, technical single track, and natural forest floor, all at an elevation exceeding 8,000 feet. Runners will navigate varied terrain, experiencing the beauty and physical test of this high-country trail.