Trail Running Calendar United States 2026-2027

A dirt road 50k in Leyden, Massachusetts on May 16, 2026, with 4,200 feet of elevation change and a course that passes through forests, fields, and an 1870s covered bridge. Registration closes May 13 and there is no race-day entry.

Trail event in Gnaw Bone near Nashville, Indiana on May 16, 2026 offering distances from 5K to 50 miles plus relays. Courses feature 600 foot ridges, creek crossings, aid stations, post race barbecue and awards.

A 5 km cross-country event at Canterbury Shaker Village on May 16, 2026 with in-person and virtual options. Online registration closes May 15 at 12:00 noon ET and the registration fee is $25.

Trail races at Kelly's Run Nature Preserve in Holtwood on May 16, 2026 include chip timed 10K and 5K courses plus a free kids trail race of about 1.5 miles. The 10K features 1,256 feet of elevation and an aid station at Pinnacle Overlook.

Test your endurance at George Wyth State Park by completing ten 5k runs every couple of hours over a full day. Enjoy hot meals and paved trails while working toward a unique handmade finisher prize.

A community race at Oyster Creek Park on May 16, 2026 offering Kids Dash, 1 mile, chip timed 5K and 10K plus a virtual half. The event includes finisher medals, race shirts, aid stations, live awards and a free hot dog and beverage.

Trail races at Hueston Woods State Park on May 16–17, 2026 offer multiple distances from 5K to a looped 50K that requires completing ten loops. Aid stations, finisher medals, a shirt order code, and drinks and pizza at the finish are provid..

An endurance ruck at Harbour Shores Church in Cicero on May 16, 2026, offering a timed four hour ruck and a 5k trail ruck. The mostly unpaved one mile loop requires participants to carry a rucksack loaded to ten percent body weight.

Trail Mix Run Wyoming features 3 mile and 10 mile mixed-surface trail courses at Mike Sedar Park, plus a 3 mile wheelchair and stroller accessible route and a virtual option with set reporting deadlines.

Experience a diverse trail race at Hueston Woods State Park. Choose from several distances including a half marathon and explore unique terrain filled with ancient fossils.

Mad Dash at Treetop Adventures on Lake Hickory pairs a 300 m swim, obstacle course and a 5K run with a separate 5K and a kids fun run. Proceeds support Camp David and a local boarding academy.

An 80s inspired martial arts themed race day in Canoga Park on May 16, 2026 offering 5K, 10K and a 13.1 mile half plus a virtual option with medal shipping.

A trail running event in Farmington, New Mexico on May 16, 2026 offering 5 miles, 9 miles and 15 miles courses through Hood Mesa trails. Early registrants receive a T-shirt and packet pick-up is available the day before and the morning of t..

Trail races at Marshall Mountain in Missoula in May include team and solo 25K formats plus a 5 mile option. Courses use new looped trails and include notable climbing, with a post-race brunch and vendor village.

Timed trail ultra in Winona Forest, Mannsville NY with 6, 12 and 24 hour options plus a 3 person 24 hour team on a smooth 2.6 mile loop. Aid station support, camping near the course, and a 100 runner cap.

Trail races at Sunderbruch Park in Davenport on May 16 2026 feature roughly 5k and 10k single track courses, a cup free policy, a potluck with bacon and beer, online registration with a waitlist, and a one year deferral option.

Vermejo Charcoal Burner on May 16, 2026 offers supported gravel rides of 99, 66 and 41 miles and a 13.1 mile gravel half marathon at Vermejo Park Ranch. Class 1 and 3 eBikes are allowed on the 41 mile ride but are not eligible for podiums.

Trail races at Prescott Park at Roxy Ann Peak in Medford on May 16, 2026. Distances include a 10 Miler with about 1800 ft of elevation and a 5K around the service road. Finisher socks are provided.

A 5k at Hangar 3 in the Hatbox Sports Complex, featuring a start and finish through the hangar doors and timed to align with the Die to Run Ultra. Wooden finisher medals for all and engraved cedar dice for top male and female finishers.

A free multi-distance running event at John Hunt Park in Huntsville on May 16-17, 2026, offering timed options up to 24 hours and a 1.7 mile rubberized loop. Participation is capped at 250 and packet pick-up is held Friday.