Trail Running Calendar Arizona 2025-2026

The XTERRA Papago Urban Desert Trail Run, held in Tempe, Arizona, is part of the XTERRA Trail Run World Series. This event offers multiple race distances including a challenging 26K trail half marathon, a 10K, and a 5K trail run, suitable for all ages and skill levels. The scenic course winds throug..

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, including the famous Hi-Line trail. Scheduled for October 18, 2025, the event features three distance options: a Mountain Marath..

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 in Flagstaff, Arizona, starting at the Sandy Seep Trailhead. The course features scenic meadows, ponderosa pines, and a challenging climb up Mt. Elden via Christmas Tree and Elden Lookout trails.Runners enjoy panoramic views of Flagstaff and sur..

The Javelina Jundred is a unique 100-mile and 100-kilometer trail running event held annually in late October at McDowell Mountain Regional Park near Fountain Hills, Arizona. Known as the original costumed "Jalloween" party run, it features a festive atmosphere where runners often dress up. The cour..

The Bare Buns Desert Run is a unique 5K trail race held at Shangri La Ranch in New River, Arizona. Participants are encouraged to run nude, although clothing is not mandatory, and the race offers a fun, liberating experience through desert trails, including hiking trails, dry washes, and ranch areas..

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 forest jeep roads, ro..

The Jackass Night Trail is an exciting running event that takes place as part of the Javelina Jundred, offering a unique 31K loop experience for participants. Set in the scenic McDowell Mountain Regional Park, this night race invites runners to embrace the festive spirit of "Jalloween" by dressing i..

The XTERRA San Tan Trail Run is an off-road trail running event held in Queen Creek, Arizona, within the scenic San Tan Mountain Regional Park. Part of the XTERRA Trail Run World Series, the event offers multiple race distances including a challenging 22K trail half marathon, as well as 10K and 5K r..

The PhoMo 50K is a challenging ultramarathon held in the scenic Phoenix Mountain Preserves, Arizona, starting and finishing at the Piestewa Peak Trailhead (Cholla Ramada). Covering 31.2 miles (50 km) with over 6,000 feet of elevation gain, the course features rocky, technical singletrack with minima..

The Punisher Night Trail is a night trail running event held at Usery Mountain Regional Park in Mesa, Arizona. It offers four distances: 30K, 20K, 10K, and 5K, all run on a scenic 9-kilometer loop featuring trails such as Noso, Blevins, Moon Rock, Levee, Spillway, Cat Peaks, and Cat Peaks Pass. The..

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 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..

Pass Mountain Trail Runs, held at Usery Mountain Regional Park in Mesa, Arizona, offers a variety of distances including 50 miles, 50K, 25K, 10K, and 5K. The courses feature scenic and challenging desert trails winding through the Goldfield Mountains, Tonto National Forest, and Usery Mountain Park,..

The Fat Ox Endurance Runs, held at Estrella Mountain Regional Park in Goodyear, Arizona, is a premier ultra-running event featuring multiple race distances including 48-hour, 24-hour, 12-hour, 6-hour, 100-mile, 100K, 50-mile, and 50K races. The event takes place on a USATF-certified 0.988-mile concr..

The Trail Blazer 10K - 5K is an annual trail running event hosted by StartLine Racing at Paloma Community Park in Peoria, Arizona. Set amidst the scenic trails of Peoria's newest community park, runners can enjoy the natural beauty and local wildlife along the course. The event offers both 10K and 5..

The Thanksgiving XC Classic is a festive running event held at Reid Park in Tucson, Arizona. It features a European-style cross-country course with a mix of grass, dirt, and some asphalt, including hay bale obstacles. Participants can choose between a 5K race, which consists of two loops, or a 1.5-m..

The Colossal Vail 50/50 is a trail running event held near Vail, Arizona, starting and finishing at Colossal Cave Mountain Park. It offers multiple distances including a 50-mile ultra, 55K, and half-marathon options with both day and night courses. The race features fast, rolling terrain on recently..

The Southern Arizona Triple 50 is a unique ultra running challenge comprising three 50-mile races held in southern Arizona: the Colossal Vail 50 in Vail, the AZT Oracle Rumble 50 in Oracle, and the Old Pueblo 50 in Sonoita. All races take place on sections of the Arizona National Scenic Trail, offer..

The Mayhem Night Trail is a thrilling night trail running event held at McDowell Mountain Regional Park in Fort McDowell, Arizona. Offering 25K, 10-mile, and 5-mile distances, the race challenges participants to navigate desert single-track trails under headlamp and moonlight. The course features wi..