Arizona
Arizona Trail Running Calendar 2026-2027
Explore the best trail runs in Arizona for 2026-2027! Our updated list features 114 exciting trail runs across the region. Find your next trail run in Arizona below and join the trail community at these great events!
September 2026
Trail races on the Mogollon Rim near Pine, Arizona featuring a 102.3 mile ultramarathon with 15,900 ft gain and a separate 42K course across high forest and rim trails.
Experience the pine forests of Flagstaff at Groovin' in the Aspens, featuring trail races ranging from 6K to 50K through scenic single track and aspen groves.
An evening 5K in Phoenix as part of a three race Desert Night Series raising funds for Child Crisis Arizona.
Night trail event at McDowell Mountain Regional Park with five distances, rolling desert single track, stocked aid stations, live tracking and a cupless race policy.
Endurance races from Flagstaff to the Grand Canyon with 100 mile and 55K runs, a 100 mile mountain bike race, and relay options along the Arizona Trail.
Community fundraising event on September 19, 2026 at Western Navajo Fairgrounds with 3K, 5K, 10K runs and a free 3K walk supporting Tuba City cancer care.
A three-day mountain race weekend at Arizona Snowbowl with events from a steep 1.4-mile hill climb to 50-mile and fixed-time loop races, climbing to about 11,500 ft.
A night time community 5K at the Desert Twilight festival in Arizona, run on a lit course with USATF status, age group medals and a limited event T shirt.
Test your limits at the Babbitts Backyard Ultra in Flagstaff, a last person standing race featuring 4.167 mile loops near the iconic SP Crater.
Technical 50K trail race in Prescott, Arizona on Sept 26, 2026, fully supported with three aid stations and limited to 100 runners.
October 2026
Experience an off road trail race through the Coconino National Forest at high altitude. Choose from a marathon, half marathon, or 10k while supporting local college cross country programs in the Arizona Nordic Village.
Experience the trail networks of Prescott, Arizona, featuring 100 mile and 50 mile loops alongside a 10.72 km race and a lakeside fun run.
Two trail races at Catalina State Park in Tucson on October 4 2026, with a 9.3 mile out and back on the 50 Year Trail and a 5K on the Nature and Bridal Trails.
Volunteer-run trail races and a kids dash in Kaibab National Forest on Oct 10, 2026, with proceeds benefiting Big Brothers Big Sisters of Flagstaff.
Run a 55 km ultra marathon through the Navajo Reservation in Arizona featuring ancient ruins and a climb to the Spider Rock overlook.
Annual Prescott road race supporting the James Family Prescott YMCA scholarship fund, offering multiple distances and a family fun run.
An informal, no-fee 45 mile loop around Flagstaff that requires self-navigation with a GPX file. Participants must bring assigned food or drink contributions and be prepared to carry most of their own supplies.
Night trail event at Cave Creek Regional Park offering 33K, 22K, 11K and 5K on rolling desert single-track loops with aid stations, chip timing and live tracking.
Three Friday evening 5K races at AZ Falls in Phoenix with chip timing, age group awards, charity fundraising for Child Crisis Arizona, and a virtual option.
Trail races in Page, Arizona offering 50 mile, 55K and half marathon routes that pass Horseshoe Bend, Antelope Canyon, Waterholes Canyon, Lake Powell and Glen Canyon Dam.