Trail Running Calendar United States 2026-2027

The Samar 8 Miler is a flat, single-track trail race on the Wolf River Trails in Memphis. Runners complete two 4-mile loops with an aid station at the start/finish. The event features chip timing, awards, and is part of the expansive Shelby..

A remote *55K* ultramarathon on the Northville Placid Trail in Adirondack Park, featuring technical terrain, about 3300 feet of gain, self-supported running, a required validation race, and registration that includes a shirt and two meals.

A trail race of about 10K at Big Bull Creek Park in Edgerton, KS, part of the Tour de Trail series that supports Urban Trail Co. Runners and hikers follow marked single track trails with a cupless aid setup and a four hour finish limit.

A minimal-support trail ultramarathon on the West Rim Trail at the Pennsylvania Grand Canyon. Offers 50K and 25K out and back courses with limited aid and a post race breakfast.

Experience a rugged night trail run on a private ranch in Gilmer, Texas. Navigate single track trails and creek crossings under the stars with distances ranging from a 5K to a 50K ultra.

Join the Tiger Trail 5K in Lawrenceburg, part of the summer SIRC series supporting local school running programs. Choose from a run, walk, or cross-country member event, with special pricing for team members. Complete the circuit for a chan..

Choose your challenge at this classic Montana trail run. Take on the 10-mile loop with significant elevation in the Bridger Mountains or enjoy the neighborhood 5k. Both finish with a festive post-race BBQ.

Join this cross country community event in Santa Fe featuring 5K and 10K trail races. With specialized high school team divisions and free races for children of all ages, it is a comprehensive day of running for everyone.

This trail race takes place at the McDonough Wildlife Refuge in West Virginia. Participants can choose between an 8-mile run or a 4-mile walk on a scenic forest and marsh loop. It's part of a six-race series offering a commemorative jacket.

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.

A multi-distance running event in Orlando on 2026-07-18 featuring a half marathon, 10K, 5K, shorter youth races, relay and a virtual option with mailed packets and race swag.

Trail ultramarathon at Great Bear near Sioux Falls, SD with 20k, 30k and 50k distances run as repeated 10 km loops with about 1200 ft gain per loop. Aid station and drop bag tarp are located at the Bear Den Chalet.

Trail races in Hartford, Vermont, through the Hartford Town Forest and Conservation Area. Courses mix logging roads, packed trails, and single track, with a 5K mostly downhill and a 10K that earns Western NH series points.

A just under 50 km trail run in the southern Massanutten range with about 5,700 ft of elevation change, six aid stations, and a start and finish at the Route 211 parking area. Entry is limited to 75 runners.

A 5K run/walk along the Bear River in Petoskey, Michigan, featuring a footbridge and riverside gravel trail with a shaded final mile; proceeds support the Northern Michigan Cancer Crusaders and awards are given by age division.

A summer mountain trail race in Manitou Springs, Colorado, covering *12.6 miles* up Barr Trail to Barr Camp and back. The event is run under a Pike National Forest permit and is part of the Garden to Peak Challenge.

A three day, fully supported trail running stage race in Leadville, Colorado that crosses the Continental Divide between Hope Pass and Red Cliff. Offers a 51 mile Full Pint and a 35 mile Half Pint with a field limited to 500 runners.

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.