Trail Running Calendar United States 2026-2027

The First Mondays Summer Trail Series will take place in Iola on Monday 3 August 2026.

A four-race midweek trail series at Lory State Park in August 2026 offering 5k to 12k courses, timed by chip with series points and end of series awards. Pizza and beverages follow each race and vintage shirts are available.

Day one of the 2026 Alaska Series in Douglas AK at Savikko Park offers distances from 5K to 50K, with no time limits and participant medals.

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 crewed, multi-day journey from Salt Lake City to West Yellowstone that emphasizes mental endurance and donates proceeds to the Women’s Center in SLC.

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.

Six-race trail series at Anne Springs Close Greenway in Fort Mill from May to August with 3 to 5 mile courses, door prizes, finishing awards, and points-based series scoring.

An evening trail race at Fillmore Glen State Park offering 3 mile and 8 mile courses that run along gorge rims, cross the creek, and include many stairs; the course is marked with water stops and finishes with a post-race pizza party.

Race 7 of an eight week trail series at Northshore Trail MADD Shelter in Flower Mound TX featuring chip timed 5K and 10K lap courses, marked singletrack, weekly podium awards, and a series bib system for participants.

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.

Trail races in Alta on July 8 and August 5 with short and long alpine routes, food trucks, post-race yoga and a community BBQ.

A 4 mile out and back beach run on Nantasket Beach in Hull, MA on August 6, 2026, held at low tide with a post-race gathering and proceeds supporting local causes.

A cross country meet in Westerville, Ohio with youth races and an open adults two mile. Registration is free and individual registration is required; team tents and team uniforms are not permitted.

IEXC is a community running series at Cobb's Hill Park in Rochester, sponsored by Genesee Valley Harriers and Innovative Edge Sports. It takes place on several evenings in August and is presented as low cost and accessible to all ages.

A four-race 5k cross country series at Cobbs Hill Park in Rochester with kids fun runs, age group awards, free entry for youth and club members, and a final Tour de Pain that adds short extra races after the last 5k.

A point to point 105.7 mile mountain trail run in Bridger-Teton National Forest with about 24,000 feet gain, 11 aid stations, and a 48 hour cutoff.

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.

An unmarked 100 miles mountain challenge around Lake City with 40,000+ ft climb, five 14ers, a 48 hour cutoff, and a committee application process, August 7 to 9, 2026.

Backyard Ultra at Mill Creek Park in Kansas City features the Last Runner Standing plus 3, 6, 9 and 12 hour timed events on a 1-mile looped trail.

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.