Arizona
Arizona Trail Running Calendar 2026-2027
Explore the best trail runs in Arizona for 2026-2027! Our updated list features 106 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
A non competitive two mile run in Window Rock, Arizona on August 14, 2026, honoring the Navajo Code Talkers. Registration includes a performance shirt, sticker, post race snacks and a poster option.
A 50K trail race in Prescott, Arizona, covering about 31.7 miles and 4,500 feet of climbing, with three aid stations and a 2.64 MPH cutoff pace.
A USATF MUT sanctioned uphill race at Arizona Snowbowl covering about 11 miles of ascent to the summit, limited to 150 runners with on course aid stations and summit awards.
A monthly Friday evening 5K series at Arizona Falls with live chip timing, three collectible desert-themed medals, and a virtual option. The events raise funds for Child Crisis Arizona.
A fixed time event at Nardini Manor offering 6 hour and 12 hour races on a flat 500 meter crushed gravel loop with chip timing and on-course aid.
Unity 5K Lakeside is a community run and walk on 08/22/2026 in Lakeside, Arizona following the Turkey Track loop to Walnut Creek with a post event lunch at Woodland Lake Park.
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 running at Fort Valley Trailhead in Flagstaff with 6K–50K loop options through aspens and pines, aid stations no more than 7 miles apart.
An evening 5K series at Arizona Falls with three monthly races that support Child Crisis Arizona. Live events are chip timed with age group awards and raffle prizes, plus a virtual option with collectible medals.
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.
Run for Hope is a fundraising event on September 19, 2026 at Western Navajo Fairgrounds in Tuba City, AZ. It offers 3K, 5K and 10K routes plus a free 3K walk and proceeds support the Tuba City Regional Health Care cancer treatment center.
A three-day mountain race weekend at Arizona Snowbowl featuring events from 5K to 50 miles, a Friday hill climb, and fixed-time 6 and 12 hour loop options reaching above 11,500 ft.
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.