Trail Running Calendar United States 2026-2027

A daylong, in-person endurance event where runners complete a marathon by running 1.09 miles every hour and resting on site between efforts, with camping allowed and a finisher medal awarded.

The Webster Trail Classic is a scenic trail run through three distinct parks in Webster, NY. Runners can choose between a 10-mile or a 3.5-mile course, each offering varied terrain. A free kids fun run is also part of the event.

Trail ultraruns in the Pioneer Mountains of Central Idaho offering 100 mile, 60K and 30K distances over rugged terrain. The two day event is noted for scenic views, steep climbs and long descents.

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

A two-day trail running festival in Honeoye Falls offering ultramarathon distances, day and night 50K races, and team relays, with camping, aid stations, and proceeds benefiting the Blue Foundation.

Backyard Ultra in Concord, NC on July 25, 2026 with repeated 4.167 mile loops and an open ended format. Each loop must be completed within an hour and the last runner to finish a loop is declared the winner.

A trail ultramarathon in Colorado Springs with 20K, 30K, 50K and 50 mile options that start and finish at Bear Creek Regional Park. Courses use local granite trails, include high elevation sections, and operate cupless aid stations.

A 100 mile backcountry trail race in the Pioneer Mountains of Idaho with over 23,000 feet of climbing, remote sections, twelve staffed aid stations, and spot tracking for runners.

An obstacle-course event at Sunday River Resort in Newry, Maine on July 25, 2026, featuring a 5K route through ski trails, woods, and mountain terrain with custom obstacles. Multiple waves are scheduled and fees vary by wave.

Night trail event on July 25, 2026 with a 4.6 mile loop, distances from 9 mile to 50K, mandatory headlamp and aid stations each loop.

A multi-distance endurance event in Cuyahoga Falls on July 25-26, 2026, featuring 100M, 50M, a marathon and an 8-person 100M relay on courses through Cuyahoga Valley National Park.

Trail races on Grand Island near Munising Michigan offering 50K, marathon and half marathon courses with shuttle and ferry transport included and island shoreline views.

Experience a scenic trail run along the Lake Allatoona shoreline at Red Top Mountain State Park. Choose between 3.1 or 8.85 mile courses featuring a mix of rolling hills and wooded single track paths.

Trail races in Red River, New Mexico on July 25, 2026 include a marathon, a heavy half, and The Face Challenge, all routed through Carson National Forest and the Enchanted Forest ski area with significant climbing.

A Last Man Standing style event in Corinth, VT honoring KIA Marines, with one-mile loops for runners and ruckers. Ruckers carry required pack weights and medals and timed awards are given based on completion and speed.

The Alden Run in Alden, Michigan features a 5K, 10K and a 2 Mile Fun Walk on mixed terrain and paved roads; the 5K and 10K are USATF sanctioned and proceeds support local schools and nonprofits.

Trail ultramarathon at Tickfaw State Park near Springfield, LA offering 50K and 50 mile distances. The route follows a 5 mile river loop with two aid stations and park lodging and camping options.

Multiple distance races on July 25, 2026 in Wellsboro PA including marathon, half, 10K and 5K with finisher medals, shirts and live results.

Trail races in Chatham, NH offering single and two loop courses over the Baldfaces and Mount Meader, with significant elevation and required mountain gear.

A 6.1 mile mountain trail race in Alyeska, AK on July 25, 2026, climbing 3,912 feet from the DayLodge to alpine ridges and back. The marked course features single track, steep scrambles and a mandatory 50 minute cutoff at Center Ridge.