Gila 100

OCT
17-18
2026
Explore the original wilderness in New Mexico's Gila National Forest. This grassroots ultra offers a 100-mile or 50-mile journey on remote, rugged trails with big sky views. Experience a true backcountry adventure with strong community support.
17-18 Oct 2026
100 miles 50 miles

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Event Overview

The Gila 100 is a grassroots trail ultra event taking place in October in Silver City, New Mexico. This is the event's third annual edition. The course is located in the Gila National Forest, which is widely recognized as the world's first designated wilderness area. The event offers a 100-mile race and a 50-mile race. There is no half marathon distance offered at this edition.

Course and Location

The event starts just east of Silver City near historic Fort Bayard. Runners travel into the backcountry of the Gila National Forest. The course includes sections on the Continental Divide Trail and reaches elevations toward 9,000 feet. The terrain is described as rugged-but-runnable, offering a variety of landscapes from high desert hills to cool ponderosa pine forests. The route features remote sections that create a backcountry experience. Organizers note that runners should plan for big temperature swings between warm days and cooler nights.

Event Details

Well-stocked aid stations are placed at key locations, offering hydration, nutrition, and additional snacks. The event is organized locally with a focus on a runner-first atmosphere and volunteer support. Full details on course maps, aid station access, and cutoffs are available on the event's official website. Visit the organization's website for the most recent information.

100 mi
100 Miler
50 mi
50 Miler