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!
August 2026
An evening 5K in Phoenix on August 21, 2026, part of a three-race Desert Night series with chip timing, age-group awards, and fundraising for Child Crisis Arizona.
Fixed time 6 and 12 hour ultraruns on a flat 500 m crushed gravel loop at Nardini Manor with on course aid, cupless policy, crew zones, and chip timing.
A natural-surface Unity 5K at Woodland Lake Park in Lakeside, AZ, following a marked 3.1 miles loop through ponderosa forest with volunteers and post-race refreshments.
A free community run at Piestewa Peak where participants climb the summit repeatedly during a six hour window. On-course refreshments, giveaways, and Everyday Ultra coaches run alongside participants.
A mud run held with the Apache County Fair in Saint Johns, AZ on August 29 2026, featuring competitive and family races. Pre registration is $15 per person until August 26 with day entries at $20 and a 20% team discount.
September 2026
A hill climb of 4.5 miles that starts at the Jerome Historical Museum, follows a dirt road past the Gold King Mine and finishes with a view of Sedona; limited parking and two water stations.
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.
Trail race at Fort Valley Trailhead in Flagstaff with 6K, 10K, 20K, 30K and 50K looped courses through pine and aspen forests.
Evening 5K in Phoenix that is the second race of a three race Desert Night Race Series, chip timed with age group awards and proceeds supporting 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.
Evening community cross country event in Mesa with two 5K races, 19 high school races, awards, and a partly grass and dirt course.
Backyard Ultra in Flagstaff where runners repeat 6706 m loops each hour until one remains, on dirt trails through volcanic cinder cones at Babbitt Ranches; capacity 100.
A sanctioned, fully supported 50K trail ultra in Prescott, AZ on Sept 26, 2026 set on rugged granite with three aid stations and a 100 runner field.
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.
Multiple-distance trail running event in Prescott, AZ on October 3, 2026 offering 100 miles, 50 miles, a 10.72K and a 6.66 mile 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.