Trail Running Calendar United States 2026-2027

A weekly trail running series in Williston, Vermont with youth and adult categories, distances including a 2.5 km half lap, 5K and a cubbies race for young children. Events run rain or shine with a specific thunder delay and cancellation po..

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Experience a midweek evening trail run through the diverse terrain of Bowdoin Park. This 5 mile race features a mix of grass and rocky trails with awards for top finishers and a food drive for the local pantry.

Experience the STRS Horseshoe Gulch Grind in Breckenridge with short and long course options. This trail event offers categories for adults and youth starting from the Blair Witch Trailhead.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

Trail races at Snowbird on July 15 and August 19 offering ~7.9 mile and ~5.2 mile courses with single track, a temporary reroute, cupless policy, on-site water at start and finish, and live music near the Creekside area.

Community road race in Ionia, Michigan on July 16, 2026 with 5 km and 1 mile courses that run through the Free Fair on opening night. The event has awards for top finishers and a participant cap with timed registration fees.

Trail races at Crystal Mountain near Mount Rainier on July 17 and 18, 2026, include a 5K hill climb, a 10K downhill and a half marathon. Registration includes an all day gondola pass and the weekend offers an expo, camping and race photos.

A 100 mile endurance run through the Cascade Mountains near Easton, Washington, run under a special use permit in the Okanogan-Wenatchee National Forest. The event centers on a long standing community of organizers, volunteers, HAM operator..

A 100 mile mountain ultramarathon in Ouray, Colorado, featuring about 41,862 feet of elevation gain and 14 climbs. Entrants must complete volunteer service or pay a $100 opt out; top finishers face drug testing for cash prizes.

Experience a high school style cross country meet in Carterville featuring a 5k course on grass and gravel. Join as a team or run solo in this evening event with awards for top individuals and teams.

An endurance loop event at the Pinetum in Lowell Park, Dixon IL, using a 0.411 mile paved loop. Participants choose 6 hour, 12 hour, or 24 hour formats and track their own laps with tents allowed in the loop center.

A multi distance trail event in mid July at Camp Wokanda near Chillicothe Illinois, featuring shaded single track, significant elevation gain, aid stations with hydration and free camping near the start finish area.

A 100 mile loop in Colorado’s Sawatch Range, the High Lonesome 100 covers about 23,300 feet of elevation gain and includes long sections on the Continental Divide and Colorado Trail with a 37 hour cutoff.

A July ultramarathon in Vermont offering 100 mile and 100 kilometer options, featuring 17,000 feet of climbing over country roads and forested trails. Proceeds benefit Vermont Adaptive Ski & Sport and a concurrent horse race accompanies the..

A weekend of Spartan obstacle races at Cannonsburg Ski Area near Grand Rapids featuring Sprint, Super, and Kids Race options across rugged, varied terrain and trail features.

Experience trail running through an active working farm in Winona Minnesota. Choose from five distances ranging from 5k to 43k with no cutoffs for the longest event.

A backyard ultra in Holly, Michigan, using repeated 4.167 mile loops in a Last Person Standing format. Options include an Oak Flats 3HR entry and a virtual race; the winner may earn a Silver Ticket toward USA national backyard team consider..

An endurance elimination race on July 18, 2026 at McCoy Flats Trail Head, Vernal, Utah. Competitors run repeated 4.1 mile laps each hour, must finish each lap within the hour, and the last runner earns cash per lap.

A multi-distance trail endurance event on the Tahoe Rim Trail held July 18-19, 2026, offering 23K, 50K, 100K and 100 Mile options. The races are ITRA qualifiers with published time cutoffs and support local trail and community programs.