Trail Running Calendar Arizona 2025-2026

Embark on an exhilarating journey through some of Arizona's most scenic routes with our comprehensive Trail Running Calendar for 2025-2026. With 74 diverse trail running events spread across the Grand Canyon State, you're sure to find the perfect race that aligns with your schedule and fitness level.

In the vibrant city of Phoenix, trail runners can explore the rugged beauty of the Sonoran Desert, with routes offering breathtaking vistas and challenging elevations. Not far behind, Tucson's trail running scene is adorned with the picturesque trails of Saguaro National Park and the Santa Catalina Mountains, promising runs that are as scenic as they are invigorating. Runners in Mesa and Chandler have the advantage of the sprawling trails in the Superstition Wilderness.

Trail enthusiasts in Scottsdale are spoiled with the McDowell Sonoran Preserve's extensive network of pathways, each offering a unique desert running experience. Meanwhile, Glendale's proximity to the White Tank Mountain Regional Park affords trail runners a chance to immerse themselves in the serene Arizona outdoors.

Stunner Night Runs is an exciting running event taking place at Usery Mountain Regional Park in Mesa, Arizona. This race features multiple distances, including 50K, 25K, 12K, and 6K, all set on a flat and fast course that showcases the beautiful desert landscape. As part of the Insomniac Night Trail..

August 2025

The Vertigo Night Runs, hosted by Aravaipa Running, take place at White Tank Mountain Regional Park in Waddell, AZ. This event features a variety of distances, including 6K, 10K, 20K, 31K, and 52K, catering to both novice and experienced trail runners. As part of the Insomniac Night Trail Run Series..

The Jackrabbit Jubilee is a unique running event taking place at Nardini Manor in Buckeye, Arizona. This fixed-time night race offers participants the choice of competing in either a 12-hour or 6-hour format on a USATF certified 500-meter loop course. The flat, crushed gravel path is designed for a..

Groovin' in the Aspens is a trail running event taking place in Flagstaff, AZ, featuring multiple race distances: 6K, 10K, 20K, 30K, and 50K. The event, previously known as Gaspin' in the Aspens, has been revived due to popular demand. Runners will navigate through scenic trails surrounded by pines,..

September 2025

The Mogollon Monster is a challenging trail running event held in Pine, Arizona, featuring a 100-mile race and a 42K race. Set against the stunning backdrop of the Mogollon Rim, the 100-mile course includes significant elevation changes, with runners climbing approximately 18,000 feet through divers..

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..

The Javelina Jangover Night Run is a thrilling event taking place at McDowell Mountain Regional Park in Fountain Hills, Arizona, as part of the Insomniac Night Trail Run Series. Participants can choose from various distances, including 7K, 15K, 25K, 50K, and 75K, all set against the stunning backdro..

The Catalina State Park 50-Year Trail Race is a vibrant running event held in Tucson, Arizona, featuring a variety of race options including a 50-year trail race and a 5k easy trail run and walk. This event is designed for participants of all skill levels, from beginners to seasoned runners, promoti..

Babbitts Backyard Ultra is an endurance running event held at the scenic SP Crater in Flagstaff, AZ. Participants must complete a 4.167-mile loop every hour, with the challenge continuing until only one runner remains who can finish the loop within the time limit. The event emphasizes testing person..

The Flagstaff Sky Peaks Mountain Runs is an exciting running event taking place in Flagstaff, Arizona, featuring multiple race distances: 50 miles, 50 km, 26 km, and 10 km. The event starts at the Fort Valley Trailhead, offering access to stunning trails through the Coconino National Forest, particu..

The North Rim Ramble is a unique endurance event held in Northern Arizona, featuring a half-marathon, marathon, and a challenging 10K race. The course offers a scenic 13.1-mile loop along well-maintained forest roads and picturesque singletrack trails on the Kaibab Plateau, showcasing stunning views..

October 2025

Saddles 100 is an exciting running event taking place in Prescott, Arizona, featuring both 50-mile and 100-mile race options. Participants will navigate a scenic loop that showcases some of the best trails in the region. The event is organized by Satisfy Running and Michael Versteeg, promising a cha..

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..

The Thrasher Night Trail is an exciting running event taking place in Cave Creek, AZ, featuring multiple race distances: 33K, 22K, 11K, and 5K. This event is part of the Fall Sunset Series and serves as a precursor to the Cave Creek Thriller Trail Runs. The course includes a scenic 11-kilometer loop..

Horseshoe Bend Ultras is an exciting running event taking place in Page, Arizona, featuring three race distances: a 50-mile ultra, a 55K, and a half marathon. Participants will experience breathtaking views of iconic landmarks such as Horseshoe Bend and Lake Powell while navigating diverse terrains,..

The Soulstice Mountain Trail Run is a celebrated annual event taking place in Government Prairie, Parks, AZ, organized by the Northern Arizona Trail Runners Association. Scheduled for October 11, 2025, this race features multiple courses, including an 11.2-mile long course, a 10K course, and a kids'..

The Cave Creek Thriller Trail Runs, celebrating its 15th anniversary, offers a variety of distances including 50K, 24K, 11K, and 5K, making it the first event in the Fall Desert Runner Trail Series. The 50K and 24K races feature a scenic point-to-point course along the Maricopa Trail, connecting two..

The Canyon de Chelly Ultra is an exciting 55K running event set in the stunning Navajo Reservation, Arizona. Participants will experience a unique course that includes a scenic 17-mile run through Canyon de Chelly, showcasing ancient ruins, petroglyphs, and breathtaking views of Spider Rock. The rou..

The XTERRA Papago Urban Desert Trail Run is part of the XTERRA Trail Run World Series, taking place in Tempe, Arizona. The event features multiple race distances, including a 26K trail half marathon, 10K, and 5K runs, suitable for both seasoned athletes and beginners. Participants enjoy a scenic cou..

The Man Against Horse Race is an annual endurance event held in Prescott, AZ, featuring a unique competition between runners and endurance horses. Established in 1983, this race includes three distances: a challenging 50-mile course with significant elevation changes, a 25-mile race, and a half mara..