Trail Running Calendar United States 2026-2027

Experience live music and art while running through the Interlochen Center for the Arts campus. Choose between an in-person 5k on paved and unpaved trails or a flexible virtual event to support student scholarships.

Test your endurance on a scenic farmland trail loop at the Soggy Bottoms Back Yard Ultra. Choose your distance every 30 minutes in this family friendly event where entry is a donation to a local cause.

The Big A 50K Trail Race is a challenging loop course on Mount Agamenticus with technical, rocky terrain and significant elevation. Participants can choose their distance, from 10 miles up to the full 50K. The event is free to register for,..

This trail race in Santa Clarita's historic Placerita Canyon offers a wide range of distances, from a 5K to a 120K ultramarathon. The course travels through the golden hills of the East Walker Ranch Open Space, featuring singletrack trails..

A spring trail half marathon in Herriman, UT on May 2, 2026, largely on single track with 1,681 feet of elevation gain. The lollipop course includes aid stations and free race photos, and the half marathon field is capped at 150 runners.

Experience a flat and fast obstacle course race through 900 acres of evergreen forests at the Meadow Wood Equestrian Center. Choose from 5K, 10K, or kids distances featuring up to 25 signature obstacles.

Discover an intense obstacle course weekend at McCormick Farms featuring distances from 5K to 50K. Navigate dense forests and a deep quarry during this comprehensive Spartan Trifecta event in North Carolina.

Conquer a hilly road course or a family trail run at Wayne National Forest to support local cross country teams. This scenic event offers medals for top finishers and all participating children.

A continuous 50-mile trail race on a scenic 5K loop in Tyler, Texas. Runners complete about 16 laps with full support and a 12-hour cutoff. The format focuses on pacing and features chip timing and a dedicated 50-mile field.

A challenging 5K trail run or hike in Oak Mountain State Park. The technical course features creek crossings, rock scrambles, and a pass by Peavine Falls. It finishes with a fast section on West Ridge.

Run through the historic Beauty Ranch at Jack London State Historic Park. This inaugural trail event features a half marathon and five mile course amongst the vineyards and forested slopes of Sonoma Mountain.

Tackle over 25 muddy obstacles on a course that winds through open pasture and wooded trails in Nacogdoches. Register early for a discount on the entry fee and receive a shirt and medal. Youth runners must be accompanied by an adult.

Celebrate National Trails Day with this community 5K in Prickett’s Fort State Park. The route travels along the scenic MCPARC rail trail toward the Meredith Tunnel. It is part of the 2026 Marion County Race Series.

Lost Creek Trail Runs at Joseph H. Stewart County Park features 30K, 10K and 5K loop courses around the lake. Packet pick-up is at picnic area C on race day and registration closes April 30.

Experience the 45th annual run along the scenic High Line Canal in Centennial. Enjoy chip timed 5K or 10K races followed by a pancake breakfast and beer garden.

Run a flat one mile course in Van Cortlandt Park while wearing your own inflatable costume. This unique Bronx event supports charity and takes place during a local ultramarathon for a high energy atmosphere.

Experience the Three Ravines Course at Wolf Road Woods with distance options of 3.1 or 5.4 miles. This family friendly trail event features a mix of single track terrain and a post race celebration with craft brews.

Join the 17th annual Run for Your Life Urban Trail Run in Pineville featuring 5K and 1 mile events. Experience a historic course at Forts Randolph and Buhlow while supporting St. Jude.

Test your discipline in this 6 hour trail challenge where you must complete a 5K every hour to stay in the race. Earn unique patches and medals while navigating the natural terrain of Deer Grove East.

Celebrate National Truffle Day with a chocolate themed trail run at Giddings Park. This event features a three loop 5K for all ages and a kids fun run to support Franklin Elementary School programs.