Elden Ridge Run

Flagstaff, United States • 18 Oct 2025

The Elden Ridge Run is a half marathon trail race held in Flagstaff, Arizona, starting at the Sandy Seep Trailhead. The course features scenic views of meadows, ponderosa pines, and panoramic vistas from the summit of Mt. Elden.

Runners tackle a challenging climb on Elden Lookout trail before descending through varied terrain including single track, technical sections, and classic Arizona rock. The race includes one aid station near the summit offering water and fuel. With a strict cutoff at the summit, the course demands mountain fitness.

Parking is limited, and no race day registration is allowed. The event emphasizes environmental care and offers a festive post-race atmosphere. Visit the organization's website for the most recent information.

Race information

21 km
1/2 Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

VALOR 22 is a commemorative running and rucking event held annually at the Arizona State Veterans Home in Flagstaff, AZ. Scheduled for September 13, 2025, it features a 1K fun run/walk, a 5K competitive run on the Northern Arizona University campus, and a challenging 22K trail ruck march carrying 22..

The Flagstaff to Grand Canyon Stagecoach Line Ultra is a challenging endurance event hosted by the Arizona Trail Association, featuring a 100-mile run, a 55K run, a 100-mile mountain bike race, and relay options. The race takes place in northern Arizona, starting in Flagstaff and finishing at the Gr..

Babbitt's Backyard Ultra is a last-person-standing race held at SP Crater in Flagstaff, Arizona. The course blends dirt trails and roads with about 150 feet of elevation gain, offering views of the crater and surrounding peaks. Each loop is 4.167 miles and must be completed within an hour, with the..

Flagstaff Sky Peaks Mountain Runs in Flagstaff, Arizona, staging from the Fort Valley Trailhead near Snowbowl. Distances offered include 50 Mile (50.1 miles), 50K (31.5 miles), 26K (6.2 miles), and 10K (6.2 miles). The 50M circumnavigates the San Francisco Peaks, featuring forest roads, single-track..

Flagstaff Marathon, presented by Cambium Wealth and Legacy Strategies, takes place in Flagstaff, Arizona, at the Arizona Nordic Village in the Coconino National Forest. The event includes Marathon, Half Marathon, 10K, and Kid's Kilo races. Courses are off-road, set at 8,000+ feet elevation among pon..

The Flagstaff Loop Trail 45 Miler is an unofficial "fatass" style ultramarathon held in Flagstaff, Arizona, starting at the Schultz Creek Trailhead. This unique event features a 45-mile course through scenic trails, emphasizing a community-driven atmosphere with no entry fee. Instead of paying to en..