Trail Running Calendar United States 2026-2027

A multi discipline endurance festival in the White Mountains of northeastern Arizona offering triathlons, aquabikes, runs and relay options. Children ages 5 and up can enter a youth triathlon and all participants are timed with RFID chips.

A Backyard Ultra on May 30, 2026 in Durango: runners complete a repeated 4.17-mile loop each hour until one remains. The event raises funds for Durango Trails and requires an entry fee plus a per-yard pledge minimum.

A 5K style mud and obstacle course in East Fork State Park featuring more than 15 natural and man made obstacles, from crawls and climbs to cargo nets and a final sandy beach run. The route uses existing trails and is about 3.1 miles.

Trail races of 10 km and 5 km start at First Dam in Logan, Utah, following the Bonneville Shoreline toward Green Canyon. Registration includes a t-shirt, medal, SWAG bag, race bib and timed results.

A trail running event at Fausett Farms in the Georgia Mountains on May 30th, 2026, offering 10k and 15k courses with packet pick up the day before and before the race; registration is through UltraSignup and closes the morning of the event.

A 3.1 mile cross country 5K across grass and paved paths on the Lincoln Trail College campus, plus a one mile Kid's Fun Run around the pond. Age group medals and overall prizes are listed for the 5K.

Trail races of 25K and 10K in Laramie WY on rugged two track and single track terrain with a summit at 8600 ft. The cupless event has aid stations, cash and age group awards, and donates proceeds to Pilot Hill Inc.

A 20K loop around Turquoise Lake that starts on hilly paved road and finishes on single track dirt trail, with proceeds supporting local youth athletics. The 2026 edition follows a rerouted course due to storm damage.

A fundraising trail race in Cherry Creek NY with multiple distances through forests, meadows and streams. Varied surfaces and aid station support differ by distance, and the 52k is two laps of the 26k loop.

A trail race at French Shelter Park in Cincinnati offering 5K, 10K and a 13.1 mile half marathon on meadow and woodland trails with notable elevation gain and finisher medals.

Annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, with a scenic route on the city bridle trails and awards for overall and age-group first place finishers.

A farmer inspired obstacle course of about 2 miles at Alsteen Farms in Lena, WI on May 30, 2026. The course includes farm chores like feeding calves and climbing through a tractor, with a yogurt bar and optional farm tour. $25 entry.

A six hour trail endurance event where runners complete a 5K every hour and must finish each lap to continue. Awards include patches, a medal, an event tee, and cash prizes for local and national top finishers.

Operation Mohawk Tactical 2 in Foxboro, MA offers 4, 5, and 9 mile running and rucking options. The event honors fallen service members and supports veteran and first responder suicide prevention under the mission of 22Mohawks.

ENDURE Last Man Standing in Bethpage State Park asks runners to repeat a fixed 4.2 mile loop each hour; finish within the hour to continue. Laps continue with progressively shorter cutoffs until one runner remains or the event window ends.

These trail runs explore the beautiful Sonoma Coast State Park. The courses traverse a scenic ridgeline with ocean views and summit Red Hill. The event will return in 2027 with a planned new location in Monte Rio.

A family friendly event at Liberty-Benton Track featuring a timed 5K trail run and a 1 mile kids fun run, with age group awards, kids medals, pet friendly trails, and early registration t shirt options.

TrailX in Benton, LA combines trail running and functional fitness across obstacle-course divisions of about 4, 7.5 and 11 miles plus a kids 1-1.5 mile FIT Challenge. Obstacles include carries, low crawls and a tire rubber minefield.

Explore the open pine forests of the Teanaway Valley with 2, 4, or 8 hour navigation challenges. Use detailed orienteering maps to find checkpoints in a beautiful landscape featuring wildflowers and rugged terrain.

Trail event in Westmore, Vermont offering a half marathon, 10 miler and two 5k options on dirt roads and private trails, with significant climbs, onsite camping and a post-race meal and barn dance.