Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4024 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Timed 12 and 24 hour solo and relay ultraruns on a mostly paved 1 mile loop at Rochester Rotary Sunshine Camp, with a staffed aid station and an optional personalized race bib.

Experience a unique night run on a flat 5k trail course in Apollo. Carry a light to guide your way on this out and back route and enjoy shuttled transport from the designated parking area.

The Bob Marshall Trail Races in Seeley Lake, MT on July 18, 2026 offer distances from 10K to 50K on ski trails, singletrack and Forest Service roads near the Bob Marshall Wilderness. The event includes aid stations, chip timing and finisher..

A multi-discipline endurance event at Franke Park in Fort Wayne featuring mountain bike, trail running, and wheelchair races on technical trails and paved/gravel sections. Three hour and six hour formats include on-site food and awards.

A nighttime trail running event at Colorado Bend State Park on July 18, 2026 offering 5k, 10k, 20k, 30k, 60k and a youth run. Aid stations are fully serviced on longer courses and the event operates as a cupless event.

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 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.

Timed running event at Miola Lake in Paola, KS offering a 10K and timed options up to 12 hours on a roughly 6 mile crushed limestone loop. Aid stations are provided and the organizer does not offer refunds or transfers.

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.

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.

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