Flagstaff Sky Peaks

Flagstaff Sky Peaks Weekend

Flagstaff Sky Peaks is a multi-day mountain running event at Arizona Snowbowl in Flagstaff, AZ, held September 25–27, 2026. The weekend includes a Friday hill climb, a full slate of Saturday races across several distances, and two mountain races on Sunday. Courses reach roughly 11,500 feet in elevation.

Distances include:

• Friday: Hill Climb
• Saturday: 50 Mile, 50K, 26K, 11K, 5K, 12 Hour, 6 Hour
• Sunday: Mountain 20K, Mountain 6K

The Friday Agassiz Hill Climb is a steep 1.4 mile ascent with about 2,100 feet of gain and finishes near the Arizona Gondola; runners descend by gondola. The Agassiz Loop is used as the early segment for most Saturday races and for the fixed time 6 hour and 12 hour events, with each loop containing substantial vertical gain. The Mountain 20K is a point to point race starting near Fort Valley Trailhead and climbing to approximately 11,500 feet before a descent to Agassiz Lodge. The Mountain 6K starts and finishes at Agassiz Lodge and tops out near 11,510 feet.

Aid stations are provided on course; the hill climb summit will have water and light snacks. Trekking poles are allowed and recommended for all distances. Pacers are allowed for many races and may access aid stations; muling is not permitted. Shuttle service is provided for the Mountain 20K start. Registration closes September 21, 2026, and shirts are guaranteed for entries made at least two weeks before the event. Live tracking and volunteer opportunities are available. Lodging and camping options near Arizona Snowbowl are noted in the event information. Visit the organization's website for the most recent information.