Trail Running Calendar United States 2026-2027

The Otter Creek Trail Run kicks off the festival weekend on June 12th at Harmon Lake. Runners can choose a short 3-4 mile loop or a longer 12-13 mile adventure on scenic singletrack trails. The evening event includes timing, swag, and a pos..

Heat Wave is a timed track ultramarathon in Rose Hill, Kansas. Runners can test their endurance over 6, 12, or 24 hours, with optional nighttime starts. The event features chip timing, a cup-less format, and special awards for long-distance..

Event Overview The Oakridge Triple Summit Challenge is a three-day stage trail running race held in Oakridge, Oregon. The event features multiple race distances taking place over three days, from June 12 to 14, 2026. Distances & Format..

The 30th annual Holcomb Valley Trail Run returns to Big Bear Lake in June 2026. The weekend features a multi-day stage race and single-day distances from 5 to 33 miles on mountain trails. Registration opens in January with early bird pricin..

Experience the trails of Mendon Ponds Park during this evening trail run featuring 4 and 8 mile distances. This cup free event follows a 4 mile loop through scenic terrain with various inclines and local wildlife.

Experience the local trail community at Kinsey Park with a four mile loop featuring rolling hills and themed stretches. This event offers a great introduction to the local ultramarathon scene in Peoria.

Test your endurance at this backyard ultra near Loch Lothian in Midlothian VA. Run a 4.167 mile loop every hour until only one participant remains while supporting the Semper Fi Fund and celebrating US history.

Experience a mud-filled obstacle course at Koenig Materials featuring rolling hills and scenic lakes. Choose between 5K, 15K, or multi-lap Infinity formats to earn the iconic orange headband and finisher medal.

Run Miami in a unique two-person team ultramarathon. Navigate 50 miles through the city's iconic neighborhoods using only directional cards. This self-supported adventure limits entries to just 30 teams.

A weekend of trail running in Washington's Colville National Forest, featuring distances from a 13.5-miler to a 100K. Events include traditional races, a rucksack-carrying solo challenge, and a relay benefiting a memorial fund.

The Wicked Root 50k will take place in Lowell on Saturday 13 June 2026. You can run between 5 and 50 kilometers.

Experience smooth singletrack trails at Sleepy Hollow State Park with distances ranging from 5 miles to 50 miles. Enjoy a supported course with generous cutoffs and a post race BBQ celebration in Laingsburg.

Run through history on the secret training trails of the CIA's predecessor in Prince William Forest Park. This night event features a 50-mile, two-loop course with a 14.5-hour limit, or a single 25-mile option. Pacers are allowed for the se..

Experience a unique clothing optional trail race through the scenic woods and meadows of the Carolina Foothills Resort. Choose between a 5k or a 7.3k chip timed run followed by a resort lunch and day pass access.

Test your endurance at The Preserve at Lakewood in a unique elimination race. Complete two mile laps on rolling grass trails as the time limit grows shorter with every loop from sunrise to sunset.

Experience Door County's first trail run at the Crossroads at Big Creek Nature Preserve with 2K 5K or 10K courses that reward participants with a native tree.

Experience the highest point in the Oregon Coast Range with distances ranging from 25 km to a new 100 km ultramarathon. Run through stunning forests and rugged trails starting from the Blodgett School.

Experience one of the oldest 100 mile races in the US on the scenic Ice Age Trail. This all-trail event offers distances from 38 miles to a 100 mile Western States qualifier in the heart of Wisconsin.

Experience a point to point 100 mile ultramarathon from UC Berkeley to Oakland. This trail race features 18,000 feet of elevation gain through redwood forests and scenic ridgelines with expansive California views.

Experience a variety of multi sport events at Green Lakes State Park. Choose from a triathlon, duathlon, or an 8K trail race held throughout a weekend of competition in Central New York.