Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4061 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A mountain trail event on September 12, 2026 at Mt. Bachelor with loop races to the 9000' summit, distances from a Vertical Ascent 5K to a 50K, and a $10,000 prize purse for the 50K.

A trail race at Pace Bend Park on September 12, 2026, with marathon, half, 10K, 5K and a youth mile around Lake Travis. Routes run clockwise on rocky, root-strewn trails with staffed aid stations and a cupless policy.

Beat The Blerch in Carnation, WA offers 5K, 10K, half and full marathon distances on a flat out and back gravel trail through mossy evergreen forest, with stocked aid stations including Nutella sandwiches and birthday cake.

A 13.5 mile trail half around Lory State Park near Fort Collins with about 2,000 feet of climb, marked singletrack, aid stations, and a free one mile kids race.

A trail event at Hagan-Stone Park offering half marathon and 10K runs plus ruck and virtual options, with morning, evening, and double-entry formats; evening races may require personal lights.

Muddy Dash Detroit on September 12, 2026 at Everett A. Cummings Center is a family friendly 5K with obstacles, mud pits and slides, plus pre-event music and a finish-line after-party with food and beer.

Trail ultras at East Fork State Park near Bethel, OH, offering 100 mile, 100K, 50K and 15 mile courses on a roughly 33 mile loop around William H. Harsha Lake. The cupless event uses manned and unmanned aid stations, cutoffs, required gear,..

A chip timed one mile hill climb to the top of Pincushion Mountain at Millerton Lake SRA, with individual and team categories, awards for top finishers and a Mountain Goat edition that allows multiple ascents within a four hour window.

Trail event at Hickory Run State Park near Jim Thorpe PA offering 100 km, 50 km and 18 mile options. The 50 km is a figure eight loop with rugged sections including a boulder field and the Shades of Death Trail.

A Stadion 5 km obstacle race at Angel Stadium of Anaheim on September 12, 2026, featuring 20 obstacles, a kids race and spectator access inside the ballpark. Ticketed entries and race day services are listed for participants and visitors.

An obstacle mud run at the Jerry Long Family YMCA with a 3.1-mile 5K for ages 7+ and a 1-mile Fun Run for all ages, supporting YMCA health programs and offering new medals for 2026.

Trail races of 10K and Half Marathon take place at Cane Creek Mountain Natural Area near Snow Camp NC. An optional 80 foot observation tower climb is offered at the end and non climbers receive a time penalty at an aid station.

Point-to-point trail races in Empire, Colorado offering 50K and 22K courses at high altitude with 100% dirt singletrack and substantial climbing. Prior ultra experience is required for the 50K and registration closes Sep 8.

A backyard ultra in Richland where runners repeat a 4.16667 mile loop each hour until one person completes a final solo lap. Runners who reach 100 miles receive a custom belt buckle.

Trail runs along the Pine Creek Rail Trail near Wellsboro, PA with marathon, 50 mile, 100K and 100 mile options through the Pine Creek Gorge and its abundant wildlife and fall scenery.

A 12 hour trail run at Kings Mountain State Park near Clover, SC, using a repeated 4.5 mile loop on marked trails. The course offers on-loop aid and drop bag access and highlights lakes, historic farm areas, and park trail sections.

Trail races in Tilden and Wildcat Canyon near Berkeley with 10K, half marathon, 35K and 50K options, aid stations every 5 to 7 miles, a cupless format, and a 350 runner capacity.

A women's trail running event in Buena Vista, Colorado offering a Half Marathon and a 10k on mountain trails with views of the Collegiate Peaks and the Arkansas River. Organized by Trail Sisters to increase women’s participation in trail ru..

Oak Flats Picnic Trails in Tijeras, NM is a free, self supported looped trail event with distances from 5k to 30k on unmarked routes and a picnic table aid station. Dogs are welcome and registration on UltraSignUp is required.

A backyard ultra on September 12 2026 in Noblesville Indiana where runners repeat a 4.167 mile loop each hour through Koteewi Park and along E 234th Street until only one runner remains. The course mixes dirt gravel and paved trail.

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