Trail Running Calendar United States 2026-2027

A weekly trail running series at Catamount Outdoor Family Center in Williston, VT offering 5 km and 2.5 km options with adult and youth entry categories. Races run rain or shine and follow a published thunder and bib policy.

An evening 3.1 Miles 5K in Moorhead that starts and finishes at Junkyard Brewing Moorhead. Registration includes an event shirt, a complimentary beer, a commemorative glass and chip timing, and entries are limited to 550.

An eight week, chip timed trail series at Northshore Trail in Flower Mound offering marked singletrack 5K and 10K races with weekly age group awards and a final series award.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

STRS #5 Carter Park Scurry in Breckenridge on August 12 2026 offers short and long course entries across adult youth and non-binary divisions with published entry fees and a course map.

An approximately 203 mile out and back road run from Walnut Beach to Wellsville, OH, with about 6,000 ft of climb and 70 miles of rolling hills. Open road format with no official aid stations and optional crew support.

A five kilometer trail race on the Flag Rock Area Trails in Norton VA held as part of the High Knob Outdoor Fest. Entry costs total $23.50 and proceeds support the festival.

An evening 3.6 mile trail run through Forest Park in Queens that visits 543 acres of wooded trails with rolling hills. After the run a festival area has music, vendors, food trucks and awards with participant tees provided.

A point to point 200 mile endurance run through the Cascades around Mount St. Helens, held August 14-18, 2026. The route includes volcanic landscapes, ridge and forest sections, 13 aid stations and six sleep stations, and is timed continuou..

A 20 mile single track trail run on the south western side of Mount St Helens, featuring lava fields, stream crossings, old growth forest and a 9 hour cutoff on National Forest lands.

Jigger Johnson Ultras runs August 14-16, 2026 in Waterville Valley NH with 100 mile, 50 mile and 20 mile mountain courses across the White Mountains, large elevation gains, mandatory mountain safety gear and restricted crew access.

Thanks Sandy is a 9 mile trail run at Kohler-Andrae State Park in Sheboygan, WI. The course combines beach, boardwalk and inland trails, includes one aid station and postrun snacks with a selection of dietary options.

A multi distance trail race weekend on August 14 and 15, 2026 featuring 50 mile, 50K and a 1 mile event with limited entries, marked single track, stocked aid stations, and mandatory self hydration since the event is cupless.

An overnight time-based trail event on Casper Mountain with 4 hour and 12 hour solo options plus a 12 hour 4 person relay. Held Aug 14-15, 2026 near the Casper Mountain Trails Center in Casper, WY.

A last-person-standing race on a 1.1 mile loop in Inkom, Idaho featuring 240 ft of elevation per loop and rolling hills. Runners must complete each loop within a 20-minute interval until one runner remains.

A high-elevation 100 mile mountain ultramarathon near Durango, Colorado on August 14, 2026, covering roughly 104 miles with about 19,000 feet of climbing, staffed aid stations, required safety gear, satellite tracking, and a 38 hour cutoff.

A multi day timed trail event on a Winchendon farm using a roughly two mile loop. Runners choose from six hour day or night, 12 hour, 24 hour, or 48 hour formats under the Sturgeon Moon.

An evening trail 5k in Houston, MS on August 14, 2026, running the Witch Dance trails to support HHS Basketball; the event includes refreshments, food trucks and a DJ and has a $30 registration fee.

A Trifecta obstacle race weekend at Dillingham Ranch on Oʻahu’s North Shore featuring Sprint, Super, Beast, Ultra, and Kids Race across coastal trails and ridgelines. An obstacle workshop and spectator access are included.

A timed loop endurance event at Lincoln Park in Seattle on August 15, 2026 offering 3, 6, 12 and 18 hour formats plus kids races, team competition, cupless aid stations, food options and awards by total mileage.