Elden Ridge Run
Flagstaff, United States • 17 Oct 2026
Event Overview
The Elden Ridge Run is a half marathon trail race planned for October 17, 2026, in Flagstaff, Arizona. The event starts at the Sandy Seep Trailhead. The date is subject to change.
Course Details
The route begins at Sandy Seep trailhead with open meadow views. Runners proceed onto Christmas Tree trail, then climb via Elden Lookout trail to the summit of Mt. Elden. After the summit, the course descends on lookout tower road and Sunset trail, offering views of surrounding peaks and Flagstaff. An aid station with water, fuel options, and electrolyte beverage is located approximately 6 miles into the race. The descent continues on New Heart trail past the cliffs of Little Elden, featuring single track, technical sections, and rocky terrain. The final section uses Little Elden and Old Little Elden trails before returning to the start.
Time Cutoffs
There is a strict 2-hour cutoff at the summit of Elden, about 5 miles into the race. The total race cutoff is 4 hours.
Parking Information
Parking is at Sandy Seep Trailhead, a primitive lot with space for approximately 30 vehicles. High clearance vehicles are recommended. Carpooling is encouraged, and a shuttle may be available.
Rules
No pacers are allowed. Aid may only be received at the established aid station. Poles are permitted if carried throughout the entire race.
Weather Conditions
In October, Flagstaff has an average high temperature of 63°F and an average low of 32°F, with an average around 47°F. The summit can be windy and cold.
Additional Notes
The course will be marked, but markers might be removed by other trail users. Timing is by gun time only, with no chip timing. Portable toilets are at the start/finish area. No refunds are provided for cancellations or if the race is canceled due to external factors like fire or trail damage. After the race, participants can bring their own lawn chairs and beverages. Visit the organization's website for the most recent information.