Trail Running Calendar United States 2026-2027

In-person 5K and 10K races run along the Bull Run Occoquan Trail at Bull Run Marina in Clifton, VA on August 15, 2026; virtual entries are available with different medal and shirt options and fees vary by registration period.

A community alumni, family and friends 2.5K and 5K run and walk at the National Sports Center in Blaine, Minnesota. Registration runs April 20 to August 14, 2026; entry fee is $10 and light refreshments follow.

Wanakee Wilderness 5K on August 15, 2026 is a trail run across 227 acres of hills and woodland valleys in the White Mountains and Lakes Region of New Hampshire. Proceeds support the camp scholarship fund and the day includes a Homecoming BB..

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 on August 15, 2026 in the Brainerd Lakes Area pairing a 5K run on Northern Arboretum trails with the Walk A Mile In Her Shoes tradition. Proceeds support Sexual Assault Services and local survivor resources.

An 8-hour timed ruck at Ross Prairie Trailhead in Dunnellon, FL, featuring repeated laps on a **6.5 mile** loop through pine forests, oak hammocks, dry prairie and sandy berm roads. Self-crewing and nearby campground facilities are availabl..

A three hour loop event at Roundtop Mountain Resort on a roughly 1.5 mile lit course with 600 feet of climb and a steep descent. The main race is limited to 150 runners and a separate kids race covers about one mile for ages 12 and under.

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.

A loop based endurance event at Busse Woods near Chicago that uses a clearly marked 3.1 mile loop over crushed limestone and gravel trails. Distances range from 5K to 50K and every completed loop counts.

Continuous 3.1 mile loop at Busse Woods near Elk Grove, IL offering 40 and 50 mile options with a fully stocked aid station every lap and a 12 hour cutoff. Runs alongside The Next Loop series but is scored separately.

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 in Seward, Alaska honoring Dan Seavey, organized by the Iditarod Trail Blazers and Seward Sports and Recreation. Four race categories, dogs allowed on leash, and a post race celebration at the Branson Pavilion.

A nighttime trail event at Eagle Creek Park in Indianapolis on August 15, 2026, offering half marathon and quarter marathon distances. Registration opens May 1 and the finish line will feature Krispy Kreme donuts.

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 on the Lamoille Valley Rail Trail from Oxbow Riverfront Park on August 15, 2026, with an out and back course to the 1.5 mile turnaround, aid at the turn, post-race refreshments, and awards for top three finishers in each cat..

An inaugural 10k trail race near Columbia Falls that loops through the Cedar Flats Trail system and Flathead National Forest. Registration runs May 27 to July 4 and all proceeds benefit Gateway to Glacier Trails.