Trail Running Calendar United States 2026-2027

Anchorage United Nations Run : 2025 event status The 2025 Anchorage United Nations Run was cancelled due to an error in the permitting office that delayed approval. The organizers plan to hold the event next year on September 26, 2026. Purp..

Race high alpine trails in Crested Butte, Colorado with 50 mile, 55K and 35K options that showcase mountain meadows, ridgelines and fall foliage. Expect big climbs, stunning views and a festival finish with custom swag for all finishers.

Choose a 30K or 50K and tackle scenic single track and forest roads around Buena Vista, Colorado, with sweeping Collegiate Peaks views. Part of 14er Fest, this trail race mixes rugged desert style sections with festival weekend energy.

Run scenic trails around Marilla Reservoir with 14 mile and 7 mile trail runs or a 4 mile hike. Enjoy winding single track, rolling hills and a finish at a historic covered bridge while supporting local trail maintenance.

Tackle scenic trails and city views at the Ascot Hills Challenge 5K in Los Angeles, with an in person chip timed race and virtual option for remote runners. Proceeds support local schools and park restoration, making every mile count.

Autumn trail festival at Lake Chabot Marina in Castro Valley offering 100k, 50 mile and marathon distances through classic East Bay parkland. Expect challenging terrain, a friendly community vibe, and generous finisher swag for all distance..

Take on the Ivy Trek Ultra at Clarkco State Park, with 50K, 25K and 12.5K options on scenic multi loop trails around Ivy Lake. Mostly double track, one aid station and chip timing make for a rewarding day on the trails.

Take on the Cat's Tail Trail Marathon in the Catskills on Sept 26, 2026, a 26 mile trail with nearly 7,000 feet of climbing and rugged, scenic terrain. Aid stations, race swag and proceeds support land conservation.

Join the 36th Three Course Challenge at Camp Rilea near Seaside, Oregon on September 26 for middle and high school cross country races with live music by The Last Regiment Drum Corps. Scenic 3k to 5k courses, team lodging and social events.

Run Baby Run 5K returns to Lexington's Coldstream Park and Legacy Trail with a flat, fast course and a Kid's Dash for young runners. All proceeds support the Snow Bunny Baby Project to buy diapers and wipes for NICU families.

Run scenic coastal trails and panoramic ocean views at the Fidalgo Trail Run in Anacortes on Saturday, September 26, 2026. Choose from marathon, half marathon, 5 mile and a kids race, with the half and full routes crossing the iconic Decept..

Take on the Miami 100 on September 26, 2026, an open road 100 mile ultramarathon through iconic Miami neighborhoods. Limited to 50 runners, it leans on crew support and checkpoints and includes an optional 130 mile challenge.

Test your limits at 24 Hours of Palmer Lake, a low key community driven endurance run atop the Palmer Divide at 7,240 feet. Short loop laps keep the vibe close and the first ten to reach 100 miles earn an on site buckle.

Run rugged single track along the scenic Cossatot River in Wickes, Arkansas, choosing 12.5 or 25 mile courses with big climbs and technical terrain. Enjoy full aid stations, finisher swag, and unforgettable views on a challenging trail day.

Take on the Assault on Yonah Mountain in Cleveland GA, a demanding 2.5 mile climb to the summit with about 1,650 feet of vertical gain timed for the ascent only. Expect rocky, technical terrain, a summit finish and medals for all finishers.

Test your legs on steep everesting loops and wooded single track at Midwest Everest, a two day trail race at Cannonsburg Ski Hill in Belmont, Michigan. Choose from 100 mile, 50 mile, Sunrise 20K or Sunset 10K and earn finisher swag includin..

Run scenic trails in the Uintah Mountains at the Massey Meadow Half and 10K in Dry Fork Canyon. Expect beautiful meadows, challenging climbs, and cash prizes for new course records with race day packet pickup at the trailhead.

KROP returns to Welling Ridge Trails near Tahlequah OK for a rugged looped trail challenge on rocky, root twisted single track with big climbs. Choose short loops or ultramarathon distances in a timed 12 hour event that supports local trail..

Join Lori's Voice on September 26, 2026 in Kentwood for a timed 5K and a Kid's Run, Roll and Stroll. Enjoy a community morning while supporting families of children with neuromuscular and degenerative diseases.

Hit the scenic trails in Wilkesboro at the Chad Lovette Memorial Trail Run, with 5K and 10K timed options plus a 5K walk and virtual choice. Race in September to support the American Cancer Society and Relay for Life.