Trail Running Calendar Arizona 2025-2026

Run under the stars on rugged desert singletrack at Thrasher Night Trail in Cave Creek Park. Choose 5K, 11K, 22K or 33K loops, enjoy aid stations and night race vibes, and earn a Double Down medal by running the paired Thriller Trail.

Canyon De Chelly Ultra takes place on the Navajo Reservation in Arizona as a 55K ultramarathon. The course begins at the canyon entrance and proceeds 17 miles up Canyon De Chelly to Spider Rock, then continues via Bat Canyon Trail to an ove..

Overview Aravaipa Running and Maricopa County Regional Parks present the Desert Runner Trail Series, a sequence of trail and ultra running events in Maricopa County. The series runs across the Valley of the Sun from October 2025 through Mar..

Run 45 miles around Flagstaff in a friendly community run fatass event with no entry fee. Bring your assigned contribution and carry most of your own supplies as a few aid stations offer water and shared snacks.

Horseshoe Bend Ultras The event in Page, Arizona, offers three distances: 50 Mile 55K Half Marathon Course routes pass Antelope Canyon and Horseshoe Bend, traverse desert sand and slickrock, and include smooth singletrack around the plate..

Event overview The Cave Creek Thriller is a trail running event held at Cave Creek Regional Park in Cave Creek, AZ on Saturday, October 11, 2025. The event offers four distances: 50K 24K 11K 5K The race is the first event in the Aravaipa..

Soulstice Mountain Trail Run is held at Government Prairie in Kaibab National Forest near Flagstaff, Arizona. The event offers multiple distances: Soulstice 30K, Long Course 11.2 miles, and a 10K, plus a Kids Dash. Organized by NATRA volunt..

Event The Man Against Horse Race is scheduled for October 18, 2025, in Prescott, Arizona. The event features endurance horses with riders competing alongside runners on shared courses for the longer distances. The race began in 1983 after a..

Experience Sedona's iconic red rock trails on Oct 18, 2025 in a Mountain Marathon, 20 Miler or 10 Miler. Point to point courses on the Hi Line deliver rugged singletrack, sweeping views and a lively finish with vendors and post race care.

Thunder Mountain 10 Mile Challenge takes place at Fort Huachuca, Arizona, specifically the Apache Flats PT Area. The race covers 10 miles and can be run individually or in four-person teams. It mirrors Fort Huachuca’s homage to the Army 10..

Tackle the Elden Ridge Run, a scenic half marathon in Flagstaff that climbs to the summit of Mount Elden through meadows, ponderosa forest and technical single track. Expect stunning views, a tough climb and a true trail running challenge.

Event The Grand Canyon Trail Marathon, Half-Marathon, and 5k Run/Walk takes place in Tusayan, Arizona, near the Grand Canyon South Rim on October 25, 2025. The event includes the following distances: Marathon Half-Marathon 5k Run/Walk Chil..

Event The Bare Buns Desert Run is a desert trail race held on Saturday, October 25, 2025, at Shangrai La in New River, Arizona. The course is a 5k loop around the Shangri La Ranch property, taking runners up a hiking trail, along a dry wash..

Event details Javelina Jundred is an ultra running event in McDowell, Arizona, held October 25-26, 2025 at the Four Peaks Staging Area (Javelina Headquarters), 16300 W. McDowell Mountain Park Drive. The event offers the following distances:..

Tackle Mingus Madness 50K in Prescott Valley, AZ on November 1, a rugged, remote trail around Mingus Mountain with 6,000 feet of climbing. This grassroots, minimally supported race delivers a gritty backcountry test for self reliant runners..

Event details The Route 66 UltraRun is a 140-mile point-to-point ultramarathon held on Historic Route 66 in Arizona, starting in Seligman and finishing at Topock66. The event is described as the fourth annual running of the race and offers..

PhoMo 50K : event overview PhoMo 50K is a trail ultramarathon held in the Phoenix Mountain Preserves, starting and finishing at the Piestewa Peak Cholla Trailhead. The race is limited to 50 participants. All entrants receive a commemorative..

Pass Mountain Trail Runs : Saturday, Nov 8, 2025 The Pass Mountain Trail Runs take place at Usery Mountain Regional Park, Mesa, AZ. The event offers multiple distances and is part of the Aravaipa Running Desert Runner Trail Series. Registra..

Event overview The Snake Eater 100K is scheduled for Saturday, November 8, 2025, in Tusayan / Grand Canyon, Arizona. The event is presented by Bear Jaw Events and lists the start location as downtown Tusayan at the Grand Canyon National Par..

Event overview Punisher Night Trail is a night trail running event on Saturday, November 8, 2025, at Usery Mountain Regional Park in Mesa, AZ. Distances offered are: 30K 20K 10K 5K Finish-line services include chip timing, finish line pho..