Trail Running Calendar United States 2026-2027

Experience an empowering 5k obstacle mud run designed for women at Dorothy P. Flint 4-H Camp. Support sisterhood and breast cancer awareness while navigating a fun and muddy course in Riverhead.

Join the Treat Trot at Gadsden Park in Tampa for a day of running with distances ranging from a Kids Dash to a 15K. Enjoy chip timed results, finisher medals, and free event photos in a scenic park setting.

A 6 mile trail race in Pownal featuring single track paths and rolling hills. Limited to 180 runners, this event kicks off the Bradbury Mountain Trail Race Series with a focus on community and local conservation.

This 5K trail race takes place at Possum Creek Metropark on a course with varied surfaces and minimal elevation change. It's a low-cost, community-focused event organized by the all-volunteer Ohio River Road Runners Club. Registration is fr..

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

Join this weekly trail running series at the Catamount Outdoor Family Center featuring distances from 5k to 10k. There are special categories for children and water stations available on site for all runners.

Experience a three night intensive training camp in the PA Wilds focused on mastering the night sections of the Eastern States 100 course with supported logistics and lodge accommodations.

Experience exclusive access to private historic trails at Paradise Farm Camps. Choose between 5 mile, 5K, or 1.5 mile routes and enjoy a post race pizza party benefiting public trail programs.

Experience an incredible journey around the largest alpine lake in North America. This 200 mile ultramarathon traverses single track trails and ridge lines through the spectacular Desolation Wilderness.

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.