Trail Running Calendar Arizona 2026-2027

Join the 48th annual run and walk through the scenic trails of Flagstaff. Support the local Children's Health Center while participating in a 10K, 5K, or 2K event at Fort Tuthill or virtually.

Night trail races at White Tank Mountain Regional Park offering 6K to 52K on a 6.5 mile Sonoran loop with technical terrain, stocked aid stations, live tracking, camping availability, and cupless race protocol.

A long-standing Flagstaff event on August 8 featuring a half marathon, 5K and Kid's Dash on Observatory Mesa, commemorative medals and shirts, with proceeds supporting Big Brothers Big Sisters mentoring programs.

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 on August 15, 2026, covering 31.7 miles with about 4,500 feet of climbing. The route starts and finishes at Thumb Butte Trailhead and includes three aid stations along the course.

A USA Track & Field Mountain Ultra Trail sanctioned uphill race at Arizona Snowbowl, roughly 11 miles of ascent with limited entry for 150 runners on August 15, 2026. The course features high elevation, aid stations, and a summit finish.

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.

Fixed-time ultras of six and twelve hours take place on a 500 meter flat gravel loop at historic Nardini Manor in Buckeye, Arizona. The event features an on-course aid station, cupless refills, crew zones, and onsite parking.

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.

The Apache County Mud Run will take place in Saint Johns on Saturday 29 August 2026.

A 4.5 miles hill course in Jerome that starts at the Historical Museum, follows town streets and a dirt road past the Gold King Mine, and finishes at a viewpoint overlooking Sedona. Limited parking and two on-course water stations.

A trail event on the Mogollon Rim near Pine, Arizona offering a 100 mile and a 42K course featuring high elevation, multiple rim climbs, technical singletrack and staffed aid stations.

Trail races through aspens near Fort Valley Trailhead in Flagstaff, AZ offering 6K, 10K, 20K, 30K and 50K courses with looped routes and 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 running event near Fountain Hills, Arizona offering distances from 7K to 75K. Staged from the Pemberton Trailhead and organized by Aravaipa Running as the final race in the Summer Insomniac Night Trail Run Series.

Flagstaff to Grand Canyon Stagecoach Line Races feature 100 mile and 55K runs, a 100 mile mountain bike race, and relay options on the Arizona Trail north of the San Francisco Peaks in September 2026. A linked double pairs the event with th..

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 near Flagstaff featuring a steep Agassiz Hill Climb, race distances up to 50 miles, and fixed time 6 hour and 12 hour loop options that climb toward 11,510 feet.

A Last Person Standing ultra near SP Crater in Flagstaff, AZ where runners repeat 4.167 miles each hour until one runner completes the final loop. The course mixes dirt trails and road with about 150 ft of elevation gain; water is available..