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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 4235 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

September 2026
Test your physical and mental endurance by running ten 5k loops every 2.5 hours over a 24 hour period. This 50k challenge in Tulsa features a paved river trail course and includes on site camping and provided meals.
Urban trail races in Theodore Wirth Park offering Half Marathon, 10K and 5K with on course aid stations and finish at the Trailhead.
A roughly 7 to 7.5 mile trail race at Missouri Headwaters State Park on Sept 19, 2026, with rugged trails, two water crossings and a 300-runner cap.
An illuminated night run and walk at Glenwood Gardens with marked trails, a two-loop 3.26 mile run and a one-loop 2 mile walk; the run counts toward Dirt Days Trail Series points and online registration is required.
A 5k trail run at YMCA Camp Manitou-Lin in Middleville, Michigan, featuring single track, fields, and gravel roads as part of Dirtfest Weekend. Completing this run plus two other Dirty Mitten events earns a commemorative piece of swag.
Run through the forested trails of West Branch State Park on the newly designated Buckeye State Trail section. Choose between a full marathon half marathon or 10k while exploring oak forests and lakefront views in Ohio.
Experience the scenic mesa trails of North Table Mountain in Golden with 5 or 10 mile races that support families working to overcome homelessness.
A 100-mile mountain ultramarathon held September 19-20, 2026, starting and finishing at Jug Mountain Ranch near McCall, Idaho, following the SUPERCOURSE used 2020-2025. Trail use is permitted by the Payette National Forest and Idaho Department of Lan..
Experience the vibrant fall colors of the Wasatch Mountains in this scenic trail race featuring distances from a 10k to a 50 miler through aspen groves and alpine ridges.
Experience an ultra-marathon festival at Panther Creek State Park featuring timed races from 3 to 24 hours on a scenic 2.9-mile trail loop.
A community 5K and 3K at Summit Park supporting ovarian cancer awareness with in-person and virtual participation options.
A community run at George's River Ranch along the San Joaquin River on September 19 2026. Events include a 10K trail, 5K, 2 mile and a kids quarter mile with registrations opening June 1 2026.
A 13.32 mile ascent from Manitou Springs to the summit of Pikes Peak with about 7,867 ft of elevation gain on September 19, 2026.
The Final Countdown Tribute at Amani Brewing in Martinsburg WV uses a 1.33 mile loop where allowed lap time shortens each circuit, eliminating runners until one remains.
A 5k cross country meet on September 19, 2026, at Alderbrook Golf Course in Tillamook, OR, run on a championship-style course with most of the route on shortly clipped fairways.
A community 5K trail race in Hooksett that runs from Heads Pond trail through wooded conservation land to the Hooksett Public Library. A separate 0.5 mile kids fun run is available and proceeds support local youth programs.
Experience a 10 mile loop with 1600 feet of elevation gain at Seven Bends State Park featuring distances from 10 miles to a 100 mile ultramarathon.
Night trail races in South Llano River State Park on rocky, hilly single-track trails with 5K, 13M, 27M, 40M and a 13M ruck; headlamps and a 32 oz water carrier required.
A trail-based 5K run/walk and a 3K walking route at Mine Falls Park supporting Meals on Wheels of Hillsborough County, with a $30 registration and a 2026 event T-shirt for early registrants.
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