Trail Running Calendar United States 2026-2027

A women only 5K obstacle mud run at East Fork Motocross Park in New Vienna on August 2, 2026, featuring more than 18 obstacles. Open to participants aged seven and up who may run, jog or walk; the event emphasizes teamwork over competition.

A women only 5K obstacle mud run at East Fork Motocross Park on August 2, 2026, focused on fun rather than competition, with spectator access, Bag Drop for a fee, and age and waiver requirements for young participants.

Trail races of 10K, 5K and a one mile fun run at Mendon Ponds Park on August 2, 2026. The event features on-trail courses, on-site water and first aid, and raises funds for epilepsy programs in Upstate and Central New York.

An 8K cross-country race at Anne Arundel Community College on August 2, 2026, part of the Annapolis Striders Championship and Maryland/DC RRCA Grand Prix Series, with pre-registration fees and race day registration available.

A four-race August trail series at Lory State Park in Fort Collins featuring 5k, 10k and 12k courses with chip timing, series points and end-of-series awards. Post-race pizza and beverages are provided.

Weekly trail races at Catamount Outdoor Family Center in Williston, VT offer 2.5 km, 5 km and 10 km options with adult and youth categories, weekly bib pickup, a water refill station, and published weather and thunder policies.

A 420 mile point to point crewed run from Salt Lake City to West Yellowstone on mainly paved roads with about 50 miles of dirt. The event emphasizes long distance mental endurance and donates proceeds to the Women’s Center in Salt Lake City..

A community cross country meet at Stonington High School offering a 5K and a children's 1/2 mile. The course mixes track, quiet campus streets, trails, grass, and finishes back on the track.

A six-race trail series at Anne Springs Close Greenway in Fort Mill, running Wednesdays from May 6 to August 5, 2026. Courses of about 3–5 miles mix single track and gravel, with a points-based series scoring and a mix of door prizes and aw..

An evening trail race at Fillmore Glen State Park offering 3-mile and 8-mile courses that run along the gorge rims and cross the creek on bridges. The marked routes include stairs, water stops, and count toward FLRC trail-circuit standings.

An eight-week chip-timed trail series at Northshore Trail in Flower Mound featuring weekly 5K and 10K races on singletrack, podium awards each week, final series awards, rain dates, and transfer options with no refunds.

A community fundraising day in Groton, MA on August 5, 2026 featuring an 8.4 mile three-person relay, kids single-loop race and Little Lambs mini runs, followed by barbecue and activities, with proceeds to six local charities.

A point to point ultramarathon through Bridger Teton National Forest from Middle Piney Lake to Box Y Ranch, covering 105.7 miles and about 24,000 feet of gain. The race has 11 aid stations, a 48 hour cutoff and an average finish near 41 hou..

Summit North Trail Runs in Duluth, MN on August 7 and 8, 2026 offers four trail races from 1.5 to 13.7 miles on forest singletrack, with rugged climbs and a tunnel section on the Forest Track.

A self navigated 100 mile mountain challenge from Lake City that requires visiting 24 points in order, returning within 48 hours, and covering roughly 90 to 105 miles with over 40,000 feet of elevation gain.

A multi format event at Mill Creek Park featuring the Last Runner Standing contest and 3, 6, 9, and 12 hour timed runs. The course uses repeated one mile laps and follows official Backyard Ultra rules.

A seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.

A two mile grass cross country meet in Mason Ohio on August 7 2026 with races for high school and open divisions. Registration opens February 3 2026 and the entry fee is $15.

A three-day trail running retreat in Roaring Gap, North Carolina, with guided daily runs, lodge meals, and shuttle service. Accommodation options range from king suites to shared bunks and pricing varies by room type.

Experience the final race of the summer at Farmdale Reservoir in Washington Illinois. This five mile trail run features a mix of prairie woods and singletrack paths through a diverse landscape.