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.

The Red Rocks of Sedona Trail Races, scheduled for October 18, 2025, offers a stunning running experience through Sedona's iconic landscapes. Participants can choose from three race distances: a Mountain Marathon, a 20 Miler, or a 10 Miler, all featuring the renowned "Hi-Line" trail. The event inclu..

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 Grand Canyon Trail Half Marathon and 5k is an exciting running event scheduled for October 25, 2025, in Tusayan, Arizona, near the Grand Canyon South Rim. Participants can choose between a challenging half marathon course that winds through the scenic Kaibab National Forest and a more accessible..

The Javelina Jundred is a unique ultra running festival taking place on October 25-26, 2025, in Fountain Hills, Arizona. This event features a 100-mile and 100-kilometer trail run, celebrated as a "party ultra" during the Jalloween weekend. The course consists of a five-loop format through the sceni..

November 2025

The XTERRA San Tan Trail Run is a challenging off-road race held in Queen Creek, Arizona, as part of the XTERRA Trail Run World Series. Scheduled for November 2, 2025, the event features multiple race distances, including a 22K trail half marathon, 10K, and 5K runs, suitable for various skill levels..

The Pass Mountain Trail Runs, scheduled for November 8, 2025, at Usery Mountain Regional Park in Mesa, Arizona, is part of the Aravaipa Running Desert Runner Trail Series. This event features multiple race distances, including a challenging 50-mile course that explores the scenic Goldfield Mountains..

The PhoMo 50K is an exciting trail running event set in the scenic Phoenix Mountain Preserve, taking place on November 8, 2025. This challenging race features a 50-kilometer course with over 6,000 feet of elevation gain, showcasing the area's rugged terrain. Participants will navigate the trails usi..

The Snake Eater 100K is an exhilarating running event set in the stunning landscapes of Tusayan, Arizona. Participants will embark on a challenging journey through a rugged trail system, featuring steep jeep roads and breathtaking views of the Grand Canyon. The race is designed for adventurers seeki..

The Punisher Night Trail is an exciting running event taking place at Usery Mountain Regional Park in Mesa, AZ, featuring multiple race distances: 30K, 20K, 10K, and 5K. This event is part of the Fall Sunset Series and offers participants a scenic 9-kilometer loop course that combines smooth trails..

The Route 66 UltraRun is an exciting annual event that spans 140 miles along the historic Route 66, celebrating its rich heritage. Open to all, the race features three divisions: Crewed Runners, who receive support from a crew; Journey Runners, who must be self-supported; and Relay Teams, which can..

The TMC Veterans Day Catalina State Park 10.6 Mile Trail Race is a scenic running event held in Tucson, Arizona, featuring both a 10.6-mile trail race and a 5.3-mile option, along with a 5K road run and walk. This event is designed for participants of all skill levels, from beginners to experienced..

The Everyone Runs Catalina State Park 10 Mile event is part of a series of running and walking events designed for participants of all skill levels in Tucson, Arizona. This scenic race offers a well-marked and monitored course, ensuring a safe experience for all runners and walkers. Participants can..

The Fat Ox will take place in Buckeye from Friday 21 November 2025 to Sunday 23 November 2025. You can run between 50 and 48 hours.

The Thanksgiving XC Classic is a family-friendly running event featuring a 5K and a 1.5-mile fun run/walk, taking place at Reid Park in Tucson, Arizona. This event, part of The Running Shop SAR Grand Prix, showcases a unique European-style cross-country course with hay bales and a mix of grass, dirt..

December 2025

The McDowell Mountain Frenzy is a trail running event held at McDowell Mountain Regional Park in Fountain Hills, Arizona. Scheduled for December 6, 2025, it features multiple race distances including 50 miles, 50K, 25K, 10 miles, and 5 miles, catering to both beginners and experienced runners. The c..

The Colossal Vail 50/50 is an exciting ultra running event held in Vail, Arizona, featuring courses of 50 miles, 55K, and a half-marathon. Set against the stunning backdrop of the Arizona Trail, participants can enjoy well-maintained trails and breathtaking desert vistas. The event, which began in 2..

The Mayhem Night Trail is an exciting running event taking place in Fort McDowell, AZ, featuring 25K, 10-mile, and 5-mile courses. This race is part of the Fall Sunset Series and offers a unique night trail experience, allowing participants to share the course with 50-mile runners from the earlier M..

The Pup-A-Go 5k Hike/Run is an exciting event taking place at Papago Park in Phoenix, AZ, on December 13, 2025. Organized by GhostHead Productions in partnership with Home Fur Good, this event invites participants to run, jog, or hike with their dogs or solo. A portion of the registration fees suppo..

The XTERRA Estrella Mountain Trail Run, taking place on December 14, 2025, in Goodyear, AZ, is part of the XTERRA Trail Run World Series. This exciting event offers a range of trail races, including 24K, 12K, and 5K distances, catering to both beginners and experienced runners. Participants will exp..

The Desert Solstice 24 Hour and 100 Mile Track Invitational is a premier ultrarunning event held at Central High School Track in Phoenix, AZ. Scheduled for December 20-21, 2025, this competitive meet is designed for elite runners aiming to set national and world records. The event features a limited..