Arizona
Arizona Trail Running Calendar 2026-2027
Explore the best trail runs in Arizona for 2026-2027! Our updated list features 108 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
A three day mountain trail weekend at Arizona Snowbowl with distances from a short hill climb to 50 miles, plus fixed time events and high elevation courses.
Last person standing backyard ultra near SP Crater in Flagstaff, AZ with repeated one-hour loops of 4.167 miles until one runner remains.
A fully supported 50K trail ultra in Prescott, Arizona on Sept 26 2026 featuring technical granite singletrack, three aid stations, and finisher medals.
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.
A multi-distance trail event in Prescott, AZ on October 3, 2026 offering 100 and 50 mile loops plus 10.72K and a new 6.66 mile fun run.
Trail event at Catalina State Park on October 4, 2026 offering a 9.3 mile course with a 2.75 mile out-and-back and a 5K on nature and bridal trails.
A volunteer-organized trail race at Government Prairie in Kaibab National Forest offering 30K, 18K, 10K and a 1K kids dash, with 100% of proceeds benefiting Big Brothers Big Sisters of Flagstaff.
A 55K trail race in Arizona's Navajo Reservation that runs up Canyon de Chelly to Spider Rock with sandy sections, singletrack and creek crossings; entry by early February lottery.
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 races at Cave Creek Regional Park offering looped 5K, 11K, 22K and 33K options on desert single track with stocked aid stations, live tracking and a cupless race policy.
A three-race evening 5K series at AZ Falls with chip timing, age group awards, desert-themed medals, and a virtual option. The series raises funds for Child Crisis Arizona and limits each live race to 250 participants.
On October 17, 2026 in Page, Arizona, Horseshoe Bend Ultras offers 50 mile, 55K, and half marathon routes that pass Horseshoe Bend and Lake Powell.
A new 10 km trail route around the Lizard Peak range in Lake Havasu City combines single track, technical sections and gravel washes with views of Balanced Rock Cove. The 10 km does not go to the summit.
A trail half marathon from Sandy Seep Trailhead up Mt. Elden and back, featuring a summit aid station, a strict 2 hour summit cutoff, and limited primitive parking.
Trail races in Sedona on Oct 17, 2026 featuring Marathon, 20 Mile, 10 Mile and 2.5 Mile courses on the Hi Line Trail with marked routes and aid stations.
A multi distance trail event on October 17 that runs inside Cave Creek Regional Park and along the Maricopa Trail, including a 50K that links Lake Pleasant to Cave Creek. Courses are rocky and exposed, cupless with staffed aid stations and shuttle se..
A 5 km desert trail run at Shangrai La Ranch in New River, Arizona, where nudity is encouraged but not required. Registration includes a day visit with pools, a café, clubhouse and game room, and the race is chip timed.
An endurance event in Prescott, Arizona on October 17, 2026 offering 50 mile, 25 mile, half marathon and an intro ride with course maps, live tracking and awards.
Trail event in Cave Creek AZ on October 17 2026 offering 50K, 25K, 10K and 5K options as part of a fall series with cupless race policies.