Arizona
Arizona Trail Running Calendar 2026-2027
Explore the best trail runs in Arizona for 2026-2027! Our updated list features 112 exciting trail runs across the region. Find your next trail run in Arizona below and join the trail community at these great events!
November 2026
Cross country 5K and 1.5 mile fun run at Reid Park with grass, hay bales, stroller lanes, awards, team scoring, and charity support.
December 2026
Trail ultraraces in Vail, Arizona with 50 mile, 55K and two half marathons on rolling desert singletrack, stocked aid stations and a cupless policy.
Night trail races at McDowell Mountain Regional Park offering 25K, 10 Mile and 5 Mile distances with staffed aid stations, on-site medical support, and a Double Down challenge.
Trail runs from 5 miles to 50.1 miles on December 5, 2026 at McDowell Mountain Regional Park, featuring Sonoran Desert single track, chip timing, aid stations and live tracking.
Three 50 mile ultramarathons on the Arizona Trail across winter and spring; each race must be finished within 15 hours and proceeds support the Arizona Trail Association.
Join a holiday tradition in Tucson with 5k and 1k runs starting at the Mica Mountain High School track. Support Toys for Tots by bringing a donation while navigating a varied cross country course.
A 50K trail race in the Phoenix Mountain Preserves on December 12, 2026 with an unmarked GPX course, rocky technical terrain, about 5,500 feet of ascent, and a 50 runner limit.
Trail run and ruck in Peoria offering 5K and 10K options, a veterans honor ceremony, cookout, raffle, and proceeds benefiting Soldier's Best Friend.
Trail running at Estrella Mountain Regional Park with a Half Marathon, 10K, 5K and a combined challenge, on-course water and finisher items.
Winter trail running near the Gila Mountains in Yuma with a six mile single track race, a kids' dash, on-site amenities, and proceeds supporting local trail work.
A selective track ultrarunning meet in Phoenix offering 24 hour and 100 mile timed events with chip timing, aid station support, and prize money for qualifying performances.
Holiday 5K and Kids 1 Mile in Phoenix supports Marines Toys for Tots, offers medals for finishers, a flat canal course at AZ Falls, and a virtual option.
A multi-day running event in Peoria AZ from Dec 28 2026 to Jan 3 2027 offering fixed-time races, fixed-distance options, and the Last Person Standing format.
January 2027
A 14 mile trail race on Trail 100 in Phoenix's North Mountain Preserve, featuring single-track sections, steep climbs, loose rock, aid stations and a 4 hour cutoff. The route runs from Mountain View Park to Dreamy Draw and back.
A trail running event at Usery Mountain Regional Park on January 9, 2027, offering 20k, 10k, 5k and a 1-mile fun run with all registration fees donated to two local charities.
Multi distance trail races at San Tan Mountain Regional Park featuring single track desert trails, aid stations, cupless service, and shuttles for 5K and 9K participants.
A free, non-competitive run and walk through Saguaro National Park West offering 4-mile and 1-mile out-and-back courses with limited parking and a 300 participant cap.
Community 5K hike and run at Papago Park in Phoenix where leashed, vaccinated dogs are welcome and a portion of fees supports Home Fur Good.
A multi-distance trail running weekend in Apache Junction, Arizona, with marathon, half, 10K, 8K trail run and a family 2 mile fun run on MLK Day Weekend.
Trail races from 5 miles to 100 miles at Estrella Mountain Regional Park on desert singletrack with aid stations, chip timing and live split tracking.