Trail Running Calendar United States 2026-2027

Run the Sangre de Cristo Trail Festival in Westcliffe, Colorado on September 26 and 27, 2026. Choose distances from 8 mile to 100 mile and soak up rugged high country single track, well stocked aid stations, and a lively trail community.

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.

Run the Ascot Hills Challenge 5K on scenic trails above East Los Angeles with sweeping views of Dodger Stadium and the Hollywood sign. Proceeds benefit Wilson High School fire and police cadet programs and help preserve Ascot Hills Park.

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..

Run a scenic 7.78 mile loop at Clarkco State Park, repeating it to reach distances up to the ultra within a 10 hour limit. Enjoy lakeside views, bridges, one aid station and camping for a full race weekend.

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.

Join the Run Baby Run 5K in Lexington for a flat, family friendly course through Coldstream Park that supports NICU families. Enjoy a kids dash, commemorative tee and virtual option while helping provide essentials for babies in need.

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.

Test your limits on the rugged Cossatot River Trail with 25M marathon and 12.5M half marathon options through rocky, rooty single track and big climbs. Enjoy a finisher medal and tee, full course support, and unforgettable river views.

Take on Assault on Yonah Mountain, a 2.5 mile one way ascent in Cleveland GA that climbs about 1,650 feet to a summit field finish. The timed ascent on technical, scenic trails is a bold, climb focused challenge.

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 through autumn colors in the Uintah Mountains at Massey Meadow Trail Head near Vernal, UT. Choose a scenic half marathon or 10K on rolling trail terrain with plentiful aid stations and a cash prize for new course records.

Take on rugged single track loops at Welling Ridge Trails near Tahlequah OK with distances from 4 miles to 65k or join a team ruck relay. Enjoy rocky roots, surprise bonus miles, medals and event shirts for early registrants.

Run or walk Lori's Voice Pathways to Possibilities 5K at Kentwood's Veterans Park, with a kids Run, Roll and Stroll for all ages and abilities. Proceeds support families of children living with neuromuscular and degenerative diseases.