Trail Running Calendar United States 2026-2027

A five-event trail series in Cuyahoga Valley National Park with weekly themed Tuesday evening races from late September through October. Distances are 3 to 5 miles and the final event at Camp Butler is dog friendly.

A three-day trail festival based in Kanab, Utah, with timed races through Bryce Canyon, Zion, and Antelope Canyon plus camping, meals, and evening activities.

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

Experience an ultimate endurance test at Mohawk Mountain by taking on 61 miles and 29,155 feet of elevation gain. Participants have 72 hours to run hike or walk their way to an Everest sized vertical achievement.

Test your limits on a flat one mile loop at the Sussex County Fairgrounds. Choose from 6 to 72 hour timed races or certified marathon and 50K distances with full kitchen and shower access.

A monthlong October event with a virtual 99 kilometer challenge and in-person 2K, 5K and 10K trail races at SnowKraft Nordic, honoring lives lost to domestic violence and supporting survivors and local services.

A memorial 5K in New Bern, NC with in-person and virtual options in early October. The race uses the Dragonfly trail at Martin Marietta Park and offers T-shirts, awards by age group, one water station, and light refreshments.

A self guided 50K on the original South Yuba Campground to Bear Valley course in Nevada City, completed anytime during October with results submitted afterward.

Oktoberfest Trail Run in Farmersville, Texas offers 5k to 50k distances on the reclaimed Chaparral Trail through prairies and farmland. The event features marked aid stations, a cupless refill policy, and one post-race beverage per registra..

A festive October race at Legacy Park in Cottleville offering 1 mile, 5K, 10K and virtual options with glow in the dark medals, costume encouragement, post-race food and awards across multiple age groups.

Back On The Ranch Trail Run in Los Olivos CA runs October 2 to 4, 2026 and offers timed trail formats from three hours to 48 hours. The event is organized by AllWeDoIsRun, a promoter of California Central Coast trail events.

Multiple ultrarunning events near Salt Lake City in early October 2026, including 100, 50, 55K, and 25K courses; top 50 Miler finishers earn Bear 100 entries.

THE MAMMOTH on October 2, 2026 in Mammoth Lakes CA is a loop footrace around a volcanic caldera with alpine lakes, volcanic terrain and a Mammoth Mountain summit at 11,053 feet.

Chip timed ultra event in Lykens PA with 24 hour, 12 hour and 6 hour formats on a one mile grass loop, aid stations, and trackside camping.

Experience a nighttime trail run at the Shelby Farms Cross Country Course with options for a 5K race or 2K fun run. This family friendly event supports youth athletics programs in Memphis.

A 110-mile trail ultramarathon in the Massanutten range with about 22,300 feet of elevation gain, a 48-hour limit, required second-half crew support, and multiple staffed and unattended aid stations.

A community cross-country festival in Fayetteville on October 3, 2026, featuring 4K and 8K loops plus a Friday 1 mile Pepper Dash. Registrations are treated as donations to a 501c3 that supports local high school programs.

A weekend multi-sport event in Yellow River State Forest combining trail running, catch-and-release fly fishing, and craft beer. Organized by Running Rivers, proceeds support habitat improvement and promote responsible outdoor recreation.

Three day multi sport festival in the Frio Valley near Leakey TX with trail runs, gravel and mountain bike races, paddleboarding, river floats, and youth events.

STADIUMTREK at Nippert Stadium on October 2, 2026 features an individual challenge to complete 14,000 steps within a three hour window for 14ER status, plus a relay for teams of 2 to 4. Registration opens June 17, 2026 and the fee is $49.99..