Trail Running Calendar United States 2026-2027

The Keweenaw Ultramarathon offers a 50K and 25K on the scenic trails of Michigan Tech in Houghton. The community-supported event features a looped course with multiple aid stations. Strict time limits are in place, with all runners finishin..

Choose your challenge at this timed trail event in the Chihuahuan Desert. Complete as many 2-mile loops as you can within 1, 4, or 8 hours, solo or as a relay team. The course features canyon trails and support from two aid stations.

Experience a unique trail run through the dinosaur tracks of Government Canyon State Natural Area. Choose between 15K or 8K distances to support local land conservation and enjoy a festive post race celebration.

Test your endurance on technical single-track trails at Allsopp Park. Choose between a 5 km fun run or a 6 hour ultra marathon in a setting inspired by local Sasquatch legends.

The ZD30 the Summit is the culminating 30-mile ultra of a progressive running series in Boise. All distances are run/walk friendly with no cutoffs, welcoming everyone from first-timers to experienced runners. Proceeds support a veteran-led..

This November trail run takes on the iconic slopes of Mt. Tamalpais, starting at Stinson Beach. Runners can choose from four distances, from a 10K to a 50K ultramarathon, all featuring significant climbs and views. The event includes chip t..

Experience a 50 mile trail race through the scenic Seneca Greenway and Muddy Branch trails in Maryland. This event features forested single track terrain and small stream crossings for dedicated distance runners.

Dirt Circus brings its free community festival to Nashville for the first time. Join a casual 3-mile group run, enjoy food, an expo, and a raffle with prizes. It's a gathering to celebrate local trail running and connect with the community.

The Klickitat Trail Run is a scenic fundraiser on the Klickitat Trail in Washington. Races include a half marathon and a 5K, with shuttles to the start. Every runner gets a bowl of famous post-run soup.

Run on the famously flat and fast Willapa Hills Trail in Washington. This festival offers distances from a 5K to a 100-mile ultramarathon, with a scenic route along an old rail grade. It's a community-focused event with modest entry fees su..

A Day in The Park is a timed event on a flat, certified 1-mile loop in Miller Ecological Park. Choose the 24-hour challenge, aim for 100 miles, or try the new 6-hour option. It's organized by the women-led team at Empower Ultras.

Test your endurance at this backyard ultra in Winchendon featuring a 4.1666 mile loop through fields and trails. Choose from the last runner standing format, timed races, or a single lap challenge in a relaxed community setting.

Experience a forested trail run through Carkeek Park with views of the Olympic Mountains. This event offers 5k and 10k distances on a mix of wide and narrow trails as part of the Winter Trail Series.

Test your endurance at Stephen F. Austin State Park in a classic backyard ultra format. Run a 4.17 mile loop every hour until only one runner remains on the well maintained gravel trails.

Experience an obstacle course race through scenic California vineyards and national forests. Choose from distances ranging from 5K to 50K at this festive weekend featuring rugged trails and vibrant fall colors.

Experience an off-road race weekend at Yeager’s Farm & Market featuring 4 and 10 mile trail runs. Enjoy a local atmosphere with post-race beer and bagels and earn a unique long sleeve tech shirt.

Experience a trail run through the 650 acre Rocky Point Community Forest in Georgetown. This event features 10K and 5K courses plus a kids dash to support local veterans and outdoor conservation.

Celebrate Thanksgiving with a series of themed races including a Half Marathon, 10k, and 5k in Orlando. Enjoy chip timed results, finisher medals, and family friendly distances like the Kids Dash and 1 Mile fun run.

Experience the diverse trails of Dunns Creek State Park in Florida with distances ranging from 8K to 100 miles. Tackle a scenic looped course featuring pine forests and wide terrain with both running and rucking divisions available.

Celebrate the tenth anniversary of this event with an 8K or 5K trail run through Unionville Vineyards. Enjoy live music and a glass of wine at the post race reception in Ringoes.