Trail Running Calendar United States 2026-2027

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

A community Backyard Ultra at Loudy Simpson Park in Craig, Colorado, with repeated 4.167 mile loops each hour until one runner remains. A single loop Citizens Race uses the same riverside course for a shorter experience.

Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.

A community wellness trail event at Blood Tribe Timber Limits on August 9, 2025 offering 2K for kids and 5K, 10K run only and 15K run only distances with free registration, chip timing, water stations and cash prize draws.

Mountain Madness is a 50 mile relay in Ashley National Forest on August 15, 2026, with team and solo options, support vehicles allowed, and no organized aid stations along the course.

Trail races on Memphis's Wolf River Trails offering a runnable 7-mile and a 13.1-mile course that use the Mamba 100 loop, with stocked aid stations, on-course markings, finisher medals, and post-race awards.

Trail runs at Harriman State Park near Island Park Idaho feature 1k kids through 50k distances across forest and meadow singletrack with on-course aid, cupless provisions, finishers medals and limited entries.

A 4.61 mile trail race at Moody Park in Claremont NH featuring narrow single track, wet sections and a steep drop and climb at Gravity Cavity. The event is part of the Western NH Trail Running Series and benefits the local parks department.

605 Trail Fest brings three trail distances to Good Earth State Park in Sioux Falls on August 15, 2026, including an 8 mile, a 4.5 mile and a 1 mile youth course. Packet pickup is scheduled the day before.

A cross country style 5K run and 1 mile walk on the fairways of Fallen Timbers Golf Course in Waterville, Ohio. Proceeds support Nature's Nursery and another local Northwest Ohio charity.

Lucky Bucket 5K Off road is a trail race at Eugene Mahoney State Park on 08/15/2026. Registration runs from 4/2/2026 to 6/1/2026 and the $40 fee includes a t-shirt, food, and two drink tickets.

A trail 5K in Gettysburg on August 15, 2026, with a race shirt option for early registrants and an event bottle opener medal. Brewfest options and tours of the Daniel Lady Farm House and Barn are available the same day.

A timed 5K at Brimfield Winery on August 15, 2026, run on a mostly grass cross country style course. Registration options include a standard 5K with a postrace wine pour and a volunteer plus run option.

A trail race at Bull Run Marina on August 15, 2026 offering 5K and 10K distances plus several virtual entry options. The route follows the Bull Run Occoquan Trail and registration uses tiered fees that include mandatory charges.

A community alumni, family and friends 2.5K and 5K run and walk at the National Sports Center in Blaine, Minnesota. Registration runs April 20 to August 14, 2026; entry fee is $10 and light refreshments follow.

A scenic trail 5K on Wanakee’s 227 acre site in the White Mountains and Lakes Region of New Hampshire, held during Wanakee Homecoming. Proceeds support a camp scholarship fund and facility improvements.

A 4.4 mile run and walk through the woods, trails, and back-roads of Brimson Minnesota with a virtual option. All proceeds support the Brimson Area Volunteer Fire Department, Minnesota's 2025 Fire Department of the Year.

A community event combining a timed 3.2 mile trail run and a one mile Walk in Heels to support Sexual Assault Services. Medals are awarded by age group, with a T shirt purchase option and family friendly activities.

An 8 hour timed trail event at Ross Prairie featuring a 6.5 mile berm loop through sandy fire lines, pine forest and prairie. The event offers on site camping, self crewing space and is organized by a veteran owned race company.

A three hour nighttime loop event at Roundtop Mountain Resort featuring a 1.5 mile course with 600 feet of climbing and a separate kids race for ages 12 and under. Headlamps are required and entries are limited.