Trail Running calendar near Flagstaff 2025-2026

The Blackout Night Runs, hosted by Aravaipa Running, take place at Fort Tuthill County Park in Flagstaff, Arizona. This night trail running event offers three distances: 27K, 13K, and 6K, winding through ponderosa pine forests above 7,000 feet elevation. The course features a mix of narrow single-tr..

The Flagstaff Extreme Big Pine Trail Runs take place at Fort Tuthill County Park in Flagstaff, Arizona, offering four race distances: 50K, 27K, 13K, and 6K. Set at over 7,000 feet elevation, the courses wind through scenic ponderosa pine forests and feature a mix of narrow single-track and well-main..

Groovin' in the Aspens is a trail running event held at the Fort Valley Trailhead in Flagstaff, Arizona. Offering distances of 6K, 10K, 20K, 30K, and 50K, the race courses wind through the scenic pines and aspens of Flagstaff's premier trail systems. The 6K is a relatively flat, easy green loop arou..

The Mogollon Monster 100 is a challenging trail ultramarathon held near Pine, Arizona, along the scenic Mogollon Rim. The 100-mile race features rugged, technical terrain with six major climbs, totaling approximately 18,000 feet of elevation gain between 5,000 and 8,000 feet. Runners experience dive..

The Flagstaff to Grand Canyon Stagecoach Line Ultra is an endurance event featuring a 100-mile run, a 55K run, and a 100-mile mountain bike race, along with relay options. Scheduled for September 20-21, 2025, this event is presented by Babbitt Ranches and showcases the stunning landscapes between Fl..

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

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..

The AZT North Rim Ramble is a scenic running event held near Jacob Lake, Arizona, featuring marathon, half-marathon, and 10K distances. The half-marathon and marathon courses loop through the Kaibab Plateau's forest roads and singletrack trails, showcasing spruce, pine, and aspen forests, limestone..

The Flagstaff Marathon, presented by Cambium Wealth and Legacy Strategies, is a premier running event taking place in Flagstaff, Arizona. Scheduled for October 4, 2025, it features a variety of races including a full marathon, half marathon, 10K, and a Kids Kilo. The event is organized by the Coconi..

Saddles 100 is an ultramarathon event held in Prescott, Arizona, offering runners the choice of a 50- or 100-mile loop course. The race features some of the best local trails, providing a challenging and scenic experience. In 2025, the course will be run counterclockwise, with 50-mile participants c..

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 Red Rocks of Sedona Trail Races, held in Sedona, Arizona, offer a scenic and challenging point-to-point trail running experience on the area's iconic Southside trails. Participants can choose from three distances: a Mountain Marathon, a 20-mile race, or a 10-mile race, all featuring the famous "..

The Man Against Horse Race, held annually in Prescott, Arizona, is a unique endurance event where runners and horses compete simultaneously on the same challenging courses. The main race is a 50-mile loop featuring approximately 7,300 feet of elevation gain and loss, summiting Mingus Mountain at 7,6..

The Elden Ridge Run is a half marathon trail race held near Flagstaff, Arizona, starting at the Sandy Seep Trailhead. The course features scenic views of meadows and ponderosa pines, with a challenging climb up Elden Lookout trail to the summit of Mt. Elden.Runners then descend through varied terrai..

The Grand Canyon Trail Half Marathon and 5k is a scenic trail running event held near the South Rim of the Grand Canyon in Tusayan, Arizona. The half marathon covers approximately 13.1 miles through the rugged terrain of Kaibab National Forest on the Coconino Plateau, featuring challenging hills, ro..

The Snake Eater 100K, held in Tusayan, Arizona, is an epic ultramarathon that challenges runners with a rugged and scenic course. Starting on the legendary 302 trail, participants navigate a new, demanding trail system featuring steep jeep roads and breathtaking views of jagged peaks and expansive d..

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's Sonoran Desert, feature challenging point-to-point 100K and 50K races along the scenic Black Canyon National Recreation Trail. Starting at Mayer High School in Spring Valley and finishing near New River and Black Canyon City, the courses offer a mix of sing..

The Whiskey Basin Trail Runs, held in Prescott, Arizona, offer a variety of challenging distances including 92K, 60K, 33K, a half-marathon, and 10K. The races take place along the scenic Prescott Circle Trail, which encircles the city, with all events finishing at Watson Lake Park, featuring views o..