Trail Running Calendar United States 2026-2027

A cross country season opener at the University of West Georgia with middle school, high school and community races, community fundraising through Carrollton Kiwanis, and awards for individual and team results.

A memorial 5K in Seward, Alaska honoring Dan Seavey, organized by the Iditarod Trail Blazers and Seward Sports and Recreation. Four race categories, dogs allowed on leash, and a post race celebration at the Branson Pavilion.

A nighttime trail run at Eagle Creek Park in Indianapolis on August 15, 2026 offering quarter and half marathon distances. The 13th edition includes Krispy Kreme donuts at the finish and registration runs May 1 to August 15.

The Guantlet 15K is a 9.3 mile trail race at Oakes Quarry Park in Fairborn, Ohio, running through limestone cliffs and wooded trails. Entry includes a finisher medal and a race shirt if registered by August 5.

A community fun run of 3.1 miles at the Webb Forest Trail System in New London, NH on August 15, 2026, organized by Wilmot Learning Place. Online registration closes August 14 and the event is limited to 200 participants.

A trail event on August 15, 2026 at Oxbow Riverfront Park in Morrisville, Vermont, organized by the North Central Vermont Recovery Center. Registration offers adult and youth categories for a $15 fee and includes options for donations and m..

The inaugural Cedar Flats Trail Trot on August 15, 2026 is a 10k loop with 791 feet of elevation gain through the Cedar Flats trail system near Columbia Falls, Montana.

A mountain trail event at Belleayre Resort offering a 25K (~16 miles, 5000+ ft) and an 8K on ski slopes, open to runners and hikers, with carbon offsets, fundraising for The Catskill Center, and pre-race activities.

A multi distance running event at O. P. Schnabel Park in San Antonio with chip timing for longer races, aid stations, awards, finish line rally, volunteer options, and a virtual half marathon.

A community running event at Independence Oaks featuring a 5K and a Cat Walk 1K with pets welcome, on-site family activities, participant medals, and fundraising for two local animal rescues.

The Leadville Trail 10K Run on August 16, 2026 is a 10 km out and back that uses the opening and closing sections of the LT100 Run course at high elevation, with one aid station at the turnaround and age group and overall awards.

A looped trail race at Red Lodge Mountain on August 16, 2026, with 4.3 mile laps and 900 to 1200 ft gain per lap. Options include marathon, half, relay teams and a 4.31 mile Hot Lap.

A biannual mountain trail race around Mount Mansfield covering about 11 miles and 5,000 ft of gain, featuring steep technical climbs, exposed alpine terrain and a strict 70-runner field with time-based qualification and limited refunds.

Participate in a free USATF sanctioned 5K trail run or walk at The Heron Farm and Events Center. This family friendly event features live music and various awards for finishers and age group winners.

Trail runs in Iroquois Park with 7 mile and 4 mile options as part of the Kentucky Cryptid Series. Complete three of four races in-person or virtually to earn a Cryptid Series survivor medal and shirt.

A women-only 5K obstacle mud run in Glencoe, KY on August 16, 2026, featuring 18+ obstacles and open to participants aged seven and up. Participants may run, jog, or walk the course with an emphasis on teamwork and fun.

A 7K trail race at The Woodstock Equestrian Center in Dickerson, Maryland, presented as part of MCRRC's low key series for members. Non member registration has a $20 fee and runs from February 10, 2026 to August 16, 2026.

A five kilometer trail run along the Lands End Trail in San Francisco with views of the Golden Gate and the Pacific Ocean. The event lists a $10 entry fee, awards finisher ribbons, and requests no headphones or pets on course.

Oakland Cubs Back2School 5K and Fun Run is a community trail event in Oakland on August 16, 2026 with a kids fun run and two 5K categories. Proceeds support the youth running team and scholarship programs.

A community 10K and a 1 mile kids race through the redwoods in Felton, California, starting and finishing at Roaring Camp Railroads. The event supports the local business and community association and includes a pancake breakfast.