Trail Running Calendar Arizona 2025-2026

The Jackrabbit Jubilee is a unique night running event held at Nardini Manor, a historic country estate in Buckeye, Arizona. Participants can choose between 12-hour and 6-hour fixed-time races on a flat, 500-meter USATF-certified crushed gravel loop that circles the property. The course offers a fun..

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: 6K, 10K, 20K, 30K, and 50K. The courses traverse scenic aspens and pines, featuring a mix of smooth green loops, single-track tra..

The Mogollon Monster 100 is a challenging trail ultramarathon held near Pine, Arizona, about 90 minutes northeast of Phoenix. The main event is a rugged 100-mile race featuring approximately 18,000 feet of elevation gain, with climbs and descents up to 45% grade along the scenic Mogollon Rim, rangin..

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 Javelina Jangover Night Run is a nighttime trail running event held at McDowell Mountain Regional Park near Fountain Hills, Arizona. It is the final race in the Insomniac Night Trail Run Series and offers multiple distances: 7K, 15K, 25K, 50K, and 75K. The courses feature rolling desert single-t..

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..

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..

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..

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 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..

The Thrasher Night Trail is a nighttime trail running event held at Cave Creek Regional Park in Cave Creek, Arizona. It offers four distances: 33K, 22K, 11K, and 5K, all run on a scenic 11-kilometer loop featuring the Slate, Quartz, Go John, and Overton Trails. The course includes two climbs per loo..

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 Canyon de Chelly Ultra is a 55K trail race held on the Navajo Reservation in Arizona. The course begins at the canyon entrance and follows a 17-mile route up Canyon de Chelly, passing ancient ruins, petroglyphs, and pictographs to the iconic Spider Rock. Runners then ascend the Bat Canyon Trail,..

The Horseshoe Bend Ultras, held in Page, Arizona, offers three race distances: a 50-mile, 55K, and half marathon. The courses showcase stunning natural landmarks, including Antelope Canyon and the iconic Horseshoe Bend of the Colorado River. Runners traverse desert sand and slickrock, with routes fe..

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 Cave Creek Thriller Trail Runs, held in Cave Creek, Arizona, is a celebrated event marking its 16th year as part of the Fall Desert Runner Trail Series. It offers four race distances: 50K, 24K, 11K, and 5K. The 50K and 24K races are point-to-point courses along the scenic Maricopa Trail, connect..

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 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 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..