Trail Running Calendar United States 2026-2027

A 4.4 mile run and walk through the woods, trails, and back-roads of Brimson Minnesota with a virtual option. All proceeds support the Brimson Area Volunteer Fire Department, Minnesota's 2025 Fire Department of the Year.

A community event combining a timed 3.2 mile trail run and a one mile Walk in Heels to support Sexual Assault Services. Medals are awarded by age group, with a T shirt purchase option and family friendly activities.

An 8 hour timed trail event at Ross Prairie featuring a 6.5 mile berm loop through sandy fire lines, pine forest and prairie. The event offers on site camping, self crewing space and is organized by a veteran owned race company.

A three hour nighttime loop event at Roundtop Mountain Resort featuring a 1.5 mile course with 600 feet of climbing and a separate kids race for ages 12 and under. Headlamps are required and entries are limited.

A community cross country style event at Lussier Stadium in Madison featuring a 5 km run and a 1 mile walk; established as a memorial and serving as a fundraiser for LaFollette High School middle school feeder schools.

Loop format trail event at Busse Woods in Ned Brown Forest Preserve on August 15, 2026. Runners complete 3.1 mile loops on crushed limestone and packed gravel with a centralized aid station and distances from 5K to 50K.

A continuous 40 or 50 mile loop race at Busse Woods on a 3.1 mile (5K) trail loop with fully stocked aid each lap and a 12 hour time limit. Personal supplies, crew zones, pacers, and on site medical staff support runners.

A timed 5k and 10k on a 100% trail course in Rincon, GA, open to runners and walkers. Each participant receives a shirt and a die cut finisher medal.

A day of timed endurance challenges on a wooded 2.62 mile loop at Tilden Hill Farm in Verona NY. Events finish with an optional pond plunge and a post event celebration with medals and awards.

A USA Track & Field Mountain Ultra Trail sanctioned uphill race at Arizona Snowbowl, roughly 11 miles of ascent with limited entry for 150 runners on August 15, 2026. The course features high elevation, aid stations, and a summit finish.

A cross country season opener at the University of West Georgia with middle school, high school and community races, community fundraising through Carrollton Kiwanis, and awards for individual and team results.

A memorial 5K on the Iditarod National Historic Trail in Seward with four age and gender categories. The race allows leashed dogs, uses staggered starts, and includes a post-race celebration at the Branson Pavilion.

A nighttime trail run at Eagle Creek Park in Indianapolis on August 15, 2026 offering quarter and half marathon distances. The 13th edition includes Krispy Kreme donuts at the finish and registration runs May 1 to August 15.

The Guantlet 15K is a 9.3 mile trail race at Oakes Quarry Park in Fairborn, Ohio, running through limestone cliffs and wooded trails. Entry includes a finisher medal and a race shirt if registered by August 5.

A family friendly 5K on the Webb Forest trails organized by Wilmot Learning Place, featuring a signed course, water stations, timing for runners, post-race recognition, and nearby parking with overflow at local fields.

A community run at Oxbow Riverfront Park on August 15, 2026 along the Lamoille Valley Rail Trail with a 1.5 mile turnaround, one aid station, post-race refreshments, and awards for top finishers.

A mountain trail event at Belleayre Resort on August 16, 2026, offering a rugged 25K (5000+ ft elevation) and an 8K on ski slopes; organized as a zero carbon event with donations supporting The Catskill Center.

A multi distance running event at O. P. Schnabel Park in San Antonio with chip timing for longer races, aid stations, awards, finish line rally, volunteer options, and a virtual half marathon.

A community running event at Independence Oaks featuring a 5K and a Cat Walk 1K with pets welcome, on-site family activities, participant medals, and fundraising for two local animal rescues.

The Leadville Trail 10K Run on August 16, 2026 is a 10 km out and back that uses the opening and closing sections of the LT100 Run course at high elevation, with one aid station at the turnaround and age group and overall awards.