Trail Running Calendar United States 2026-2027

Experience high altitude trail running at 10,000 feet on the scenic Vail Mountain in Colorado. Choose between a 5K or 10K course featuring mountain views, wildflowers, and a unique gondola ride to the starting line.

Join a community trail run or walk at Owen Bell Park to support the Ryan French Memorial Scholarship Fund. This family friendly event features a 5K trail, a walk, and a free kids fun run.

Experience a historic mountain run on Pikes Peak climbing to an altitude of 10,200 feet. This 12.6 mile trail race features a 3,630 foot vertical gain through the scenic landscapes of Manitou Springs.

The TransRockies Run is a three-day stage race through the Colorado Rockies, from Hope Pass to Red Cliff. Choose between the 51-mile Full Pint or the 35-mile Half Pint. Runners finish each day at a fully supported camp with meals, showers,..

Take on the Cliff Runner 10K on July 19, 2026 at High Cliff State Park, a rugged singletrack course with rocks, roots and steep climbs. Registration includes a Cliff Runner tee and finisher medal, with proceeds to Purdy Nature Preserve.

Experience a historic high altitude climb in Silverton Colorado featuring a 12 mile summit run and an 11 km course. Scale Kendall Mountain and take in views of the San Juan Mountains in this classic mountain tradition.

Experience a rigorous trail event at Pearsall Park featuring hilly courses and summer conditions. Runners enjoy professional timing, a commemorative singlet, and a post race taco breakfast in San Antonio.

Choose your distance from 7 to 28 miles in this Adirondack endurance walking event at Gore Mountain. Hike through shaded forests and along scenic ridgelines with the option to add weight for a rucking challenge.

Join this summer running event at Whittier Narrows Recreation Area featuring 5k, 10k, 15k, and Half Marathon distances. Enjoy a scenic loop course with finisher medals and snacks included for all participants.

Test your endurance on the 15K Border Trail featuring rolling hills, woods, and water crossings. Support Eastern Pennsylvania cancer patients while enjoying scenic vistas and a community focused trail racing experience.

Join this community cross country event featuring a 5K race and a 1 mile family walk on grass and wooded trails. Enjoy live entertainment during the run followed by food trucks and rides at the Seven Hills Home Days festival.

Experience a trail run through Patricia Allyn Park in Springboro at this local 5k event. Enjoy a natural course with categories for all ages and special registration benefits for club members.

Experience the West Side Quarry trail race along the Rappahannock River in Fredericksburg. This 10k course features a steady climb and rolling hills with 426 feet of elevation gain for a dynamic running experience.

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..

Experience a team-based cross country race on a 5K course through Richmond Park. Run with friends or get placed on a team, and enjoy a free community mile. Awards are given for top individuals and teams.

Experience the lush forests and historic grounds of St. Edward State Park at this summer trail run. Choose between a 4 or 8 mile loop followed by a social grill out with hot dogs and watermelon.

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.

Dirt Circus Seattle is a free community festival celebrating the local trail running scene. It features a social group run, followed by food, an expo, and a raffle with prizes. The event is held at Seven Hills Running Shop, connecting runne..

Event Overview The Clipper XC Series is a four-week cross-country race series held on Wednesday evenings in the summer. The series consists of two distances run on alternating weeks. Race Details The events take place at the Ward Athletic C..

Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.