Trail Running Calendar United States 2026-2027

Muddy Dash in Charlotte is a family friendly mud run on a 5K course with obstacles, mud pits and slides. The event includes a pre party, a post race festival with music and food, and both standard and VIP registration options.

Trail event in Casper, Wyoming on July 18, 2026 offering an 8 mile two-lap race and a Backyard Ultra last runner standing format, with limited souvenirs for the first 75 registrants and specified entry fees.

Backyard ultra in Albion, Illinois on July 18, 2026. Registration includes a t-shirt if ordered by June 24 and a $10 food truck voucher, camping is available the night before, and voluntary lap donations will fund prizes.

A night 5K at Northwestern High School on July 18 that raises funds for the Northwestern Cross Country Team, featuring glow sticks, Christmas lights, costume encouragement, chip timing, and age group awards.

A mountain trail run at Powderhorn Mountain Resort on July 18, 2026 offering 5K and 15K options along the Stagecoach Trail, significant elevation gain, resort entry, a lift pass, and post-race amenities.

Trail races on the Spring Creek trail start and finish near the gazebo on Spring Creek Road. Options include a 9.5 mile loop with significant early climbing and a 5K out and back; the event is cupless and includes awards plus a raffle.

A coastal running event in Morro Bay on July 18, 2026 offering a 6 mile fun run, a 13.1 mile half marathon and a virtual 6 mile option. Courses follow the shoreline between Morro Rock and Cayucos Pier with beach running and aid stations.

A half marathon and 10K in Penn Yan, NY on July 18, 2026, run primarily on the Keuka Outlet Trail with virtual options, a 400 participant limit, and a post-race party at the Moose Lodge.

Miola Madness in Paola KS is a timed running event on a roughly six mile crushed limestone loop around Miola Lake, offering multi hour timed races and a new 10K with stocked aid stations and on course fuel.

Trail races of 5.1 and 10.1 miles at Harris Lake County Park on July 18, 2026. Courses feature lakeside single-track, a wide dirt road start for easier passing, frequent aid stations, chip timing, and a 300 runner limit.

An endurance event in Spokane featuring 13 hour, 6 hour, 2 hour run, and 2 hour ruck formats on a 4.5 mile out-and-back loop with on-course aid, lap tracking, and awards for multiple completed laps.

A trail running event on July 18, 2026 offering 10K, 25K and 50K courses across the four Aspen Snowmass mountains. Courses include the Government Trail and sections of singletrack and dirt road.

Hot to Trot offers 5k, 10k, 15k and a half marathon in Griffith Park on July 18, 2026. Routes run on a hard packed dirt horse trail with an aid station at the turnaround and free parking at Crystal Springs Picnic Area.

An obstacle course at Lacamas Lake Regional Park featuring a 4+ mile natural-terrain course with 10+ obstacles, a kids loop for ages 4–10, and a festival area with local vendors and BBQ.

Bad Bass at Lake Chabot Marina in Castro Valley on July 18, 2026 features a paved 5K, a mixed-surface 10K and a mostly fire-trail half marathon with marked routes and stocked aid stations.

Ultra Sweaty Santa is a 10th annual timed endurance event on July 18, 2026 in Devils Elbow, MO with 30 minute, 3 hour, and 6 hour options on shaded crushed gravel loops by the Big Piney River; the event is free and accepts donations.

Trail runs on Mt. Tam near Stinson Beach with 10K, Half, and 30K options across technical trails and major elevation changes; cupless aid stations, chip timing, and a 300-runner field.

A community 5K in San Juan on July 18, 2026, hosted by RGV’s Little Elves to support children in need. The event features a chip-timed 5K, a youth 5K category, awards by age group, and a packet pick-up the day before.

A wine-themed event at Liberty Vineyards on July 18, 2026 featuring a 1K tasting walk and a 5K run and walk, sampling stations, finish-line wine, and on-site food, music, and contests.

The Rise & Run 50k is an out-and-back ultramarathon on the remote West Rim Trail in Pennsylvania's Pine Creek Gorge. The event features a single aid station and includes a pre-race campout. Participants receive a shirt and a unique wooden f..