Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4128 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Trail running at Johns Island County Park on a roughly 3.3 mile loop with 5K, 10K, half marathon, and marathon distances. On-site camping, packet pickup, an aid station at the start/finish, and volunteer discount options are available.

Experience a unique multi-terrain race through the scenic sand dunes and woodland trails of Western Michigan. Scale the iconic steps of Mt. Baldhead and celebrate your achievement at a festive post-race party in downtown Saugatuck.

A point to point marathon and half marathon on the Palouse to Cascades Trail in North Bend, WA, featuring downhill profiles, a Snoqualmie Tunnel section, lake views, USATF certification and timed race services.

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.

An adventure race at East Fork State Park where solo competitors or teams trek, bike, and paddle to collect checkpoints using map and compass. Timed 6 hour and 12 hour formats are USARA sanctioned and include boat rental options.

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.

A trail event at Hickory Run State Park offering 100K, 50K and 18M options on a figure-8 50K loop with about 4,000 ft elevation per loop, a boulder field crossing and a rugged Shades of Death Trail section.

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.

Trail ultramarathon in Empire, Colorado on September 12, 2026 offering point to point 50K and 22K courses. High altitude routes reach over 13,000 feet and prior ultra or high altitude trail experience is required or recommended.

A backyard ultra in Richland, WA on September 12, 2026. Runners repeat a 4.16667 mile trail loop each hour until one person completes a final solo lap; those who reach 100 miles receive a custom belt buckle.

The Pine Creek Challenge is a trail run on the scenic Pine Creek Rail Trail in Pennsylvania's Pine Creek Gorge. Runners can choose from 100-mile, 100k, 50-mile, and marathon distances on an out-and-back course. The event starts and finishes..

A 12 hour trail run at Kings Mountain State Park in Clover, SC, on a 4.5 mile loop that uses marked trails and passes Lake Crawford and the Living History Farm. Aid station and drop bag access are available each loop and drinks are supplied..

Trail races on September 12, 2026 in Tilden and Wildcat Canyon near Berkeley, offering 10K, half, 35K and 50K with marked technical trails, aid stations every 5–7 miles, chip timing, and a cupless format.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.