Trail Running calendar near Flagstaff 2025-2026

Groovin' in the Aspens is a trail running event held at the Fort Valley Trailhead in Flagstaff, Arizona. Scheduled for August 24, 2025, it offers multiple race distances including 6K, 10K, 20K, 30K, and 50K. The courses traverse scenic trails through aspens and pines, featuring a mix of smooth green..

The Mogollon Monster is a rugged and challenging trail race held near Pine, Arizona, about 90 minutes northeast of Phoenix. It features a 100-mile ultra marathon and a 42K race, both traversing the scenic Mogollon Rim, which rises 2,000 feet and stretches 200 miles across Arizona. The 100-mile cours..

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..

The North Rim Ramble is a scenic endurance event held at the Grand Canyon's North Rim, featuring a half-marathon, marathon, and a 7-mile race. The course traverses well-maintained forest roads and singletrack trails along the Kaibab Plateau, offering stunning views of Marble Canyon, Vermilion Cliffs..

Babbitts Backyard Ultra is a unique endurance running event held near the iconic SP Crater in Flagstaff, Arizona. The race features a challenging loop of 4.167 miles combining dirt trails and road, with about 150 feet of elevation gain and scenic views of the crater and surrounding peaks. Participan..

Flagstaff Sky Peaks is a mountain trail running event held in Flagstaff, Arizona, staging from the Fort Valley Trailhead near Snowbowl Road. The race offers four distances: 50 miles, 50 kilometers, 26 kilometers, and 10 kilometers, each exploring scenic single-track trails, forest roads, and the Ari..

The Flagstaff Marathon, known as "The Coolest Marathon in Arizona," takes place in Flagstaff, AZ, at the Arizona Nordic Village within the scenic Coconino National Forest. This event features off-road courses through ponderosa pine and aspen forests at over 8,000 feet elevation, offering marathon, h..

Saddles 100 is an ultramarathon event held in Prescott, Arizona, offering runners the choice to race either 50 or 100 miles. The course features a loop around Prescott, showcasing some of the region's best trails. In 2025, the race will be run counterclockwise, with 50-mile participants covering the..

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..

The Soulstice Mountain Trail Run is an annual trail running event held in Government Prairie near Flagstaff, Arizona. Scheduled for October 11, 2025, it offers multiple race distances including a 30K, an 11.2-mile long course, a 10K, and a kids dash. The race is organized by the Northern Arizona Tra..

The Man Against Horse Race, held annually in Prescott, Arizona, is a unique endurance event where runners and horseback riders compete simultaneously on the same challenging courses. Established in 1983 from a bar bet, the race features three distances: a 50-mile main event with about 7,300 feet of..

The Red Rocks of Sedona Trail Races, held in Sedona, Arizona, offer a scenic and challenging fall running event featuring three distances: a Mountain Marathon, 20 Miler, and 10 Miler. The point-to-point courses highlight Sedona's Southside trails, including the iconic Hi-Line trail, set amidst the s..

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 descend..

The Grand Canyon Trail Half Marathon is a scenic and challenging trail running event held in Tusayan, Arizona, near the Grand Canyon South Rim. The approximately 13.1-mile course loops through the rugged terrain of Kaibab National Forest on the Coconino Plateau, featuring forest jeep roads, rocky an..

The Mingus Madness 50k is a challenging ultramarathon held in Prescott Valley, Arizona, featuring rugged and remote trails around the Woodchute side of Mingus Mountain. Covering approximately 32 miles with 6,000 feet of elevation gain, the course demands significant hiking and endurance. The event i..

The Snake Eater 100K is an ultra running event held in Tusayan, Arizona, near the Grand Canyon National Park. Participants can choose between 100K and 50K distances. The race starts downtown Tusayan at the IMAX theater and follows a rugged course that includes fire roads, forest trails, and approxim..

The Route 66 UltraRun is a 140-mile ultramarathon held annually in Seligman, Arizona, celebrating the historic Mother Road. The event offers a welcoming atmosphere with no qualification requirements, encouraging runners, crews, volunteers, and spectators to join the first mile together. Participants..

The Black Canyon Ultras, held in Arizona, feature challenging point-to-point 100K and 50K races along the scenic Black Canyon National Recreation Trail through the Sonoran Desert. The 100K course covers 62.2 miles with over 5,200 feet of elevation gain, starting at Mayer High School in Spring Valley..

The Zane Grey Highline Trail Runs, held annually in Christopher Creek, Arizona, is a premier ultra running event in the Southwest. The race offers two challenging distances: a 50-mile ultra marathon with 6,700 feet of climbing and a 50K featuring 4,400 feet of elevation gain. Both courses consist of..