Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4258 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A timed endurance event on a farmstead near Norton, KS offering 6, 12, 24, 48 and 72 hour options on a 3 mile loop with an optional 4.3 mile dirt road route. Aid, camping, showers and live lap tracking are provided.

Experience the diverse trails of Bradys Run Park with distances ranging from a 5K to a 100 mile ultra. Runners navigate scenic single track and gravel roads through hills and streams in this multi day event.

Yankee Springs Trail Run is a two day trail running event on May 29-30, 2026 at Long Lake Outdoor Center near Middleville, MI. Distances span 10K to 100K and on-site cabins and showers are available.

Trail races at Dillon State Park near Zanesville on May 29-30, 2026. Options include a 5.3 mile Yellow Loop and timed 6H and 24H ultras on shaded, varied trails with on-site camping and festival amenities.

A 24 hour, lap-based trail running relay at the Whitewater Center where teams of 2 to 12 score points for laps and difficulty, take part in on-site mini-competitions, and use designated team campsites during the event.

A two-day team trail relay at Dillon State Park on May 29-30, 2026, with shaded forest trails, lake views, mixed terrain, and on-site camping at Ragnar Village. Teams can choose standard, ultra, or sprint formats.

Experience an obstacle course race through the rolling hills and wooded trails of Toro Park. Choose from 5K and 10K distances or bring the family for kids races at this scenic Northern California venue near Monterey Bay.

Test your endurance at high altitude with a range of obstacle course races from 5K to 50K held at the scenic Fort Carson Army Base near Pikes Peak.

Lake to Ocean 100K is a point to point trail race in Florida from the NENA trailhead in Port Mayaka to Hobe Sound beach on mostly single track trail. It has an 18 hour limit and requires a crew with stops at 15, 22, 31, 37 and 48 miles.

A backyard ultra at Willenborg Woods near Charleston, IL, run on a repeating 4.167 mile loop each hour until one runner remains. The final finisher receives a Bronze Ticket tied to a backyard ultra championship.

Smith Rock Classic in Terrebonne, Oregon features 10 mile, 50K and 50 mile trail races around Smith Rock State Park and Crooked River Grasslands. Courses include several thousand feet of elevation gain, mixed single track and gravel surface..

Experience the rugged beauty of the Endless Mountains in Pennsylvania with this technical trail event. Runners navigate waterfalls and vistas across two demanding distances with comprehensive aid station support and post race meals.

Experience an all terrain trail race through the historic grounds of Luckenbach Texas featuring stream crossings and live country music. Choose between a timed competitive heat or a social beer mile and fun run for teams and individuals.

A trail ultramarathon near Ithaca, NY featuring extensive singletrack, waterfalls and historic stone stairs. Offered distances are a 50 mile and a 50K, with a 440-runner cap, volunteer-supported aid, drop bag service, and limited crew parki..

Experience one of the nation’s oldest ultra-marathons through the 5,000-acre Mohican Memorial State Forest. This event offers 100-mile, 50-mile, and marathon distances and serves as a qualifier for the Western States 100.

Test your limits on a flat, fast 500-meter gravel loop at Nardini Manor. Choose from 6, 12, or 24 hour fixed time formats with full support on course. It's a unique chance to run this custom ultra track and chase a personal best.

A last runner standing Back Yard Ultra on a private farm with a repeated 4.167 mile loop, plus a separate 4.167 mile Celebrity Fun Run. The course is intermediate trail, self supported, with limited on-site parking and campsite options.

A backyard ultra at Manidokan Camp in Knoxville, MD on May 30, 2026, featuring official 4.167 mile laps and a 1 mile 24 hour event. On-site camping, aid station, showers, timing, shirts, and cash prizes for the winner and the assist.

Experience trail running at Point Pinole Regional Shoreline Park in San Pablo. Choose between half marathon, 10K, or 5K distances on a historic site once home to TNT factories.

A weekend running festival in Eaton, Colorado offering distances from 7K to 100 miles, relay teams and 36 hour options on a 2 mile groomed dirt loop, with on-site camping, glamping and amenities such as sauna, cold plunge and aid stations.

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