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Flagstaff Marathon

Saturday, October 3, 2026 · Flagstaff, United States

Distances

10 km
21.1 km
42.2 km

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.

Start location

Map showing the location of Flagstaff Marathon
Flagstaff, AZ
Driving directions
Find Registration

Typical weatherOctober

25°Clow 13°C
35mm precip avg
Sunny most days
Warm and dry — great racing temps.

Please verify event details with the organizer before registering.

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