Trail Running Calendar United States 2026-2027

Test your endurance at this military inspired obstacle course featuring mud crawls and climbing walls. Supporting the Light Foundation, the event offers a 5k trail for adults and a dedicated race for children.

A flat, shaded almost one mile loop through palm and oak hammock in Palm Coast, FL, offered as 12 hour and 6 hour timed races with a fully stocked aid station. Registrations are non refundable and close July 29.

Races on Hatcher Pass Road near Willow, AK featuring a roughly 54 mile course, a slightly longer than marathon route, and three person relays. Courses have heavy elevation gain and seven staffed aid stations along the way.

A set of mountain trail races in the Elkhorn Mountains near Helena, MT offering 50 mile, 50K, and 13.1 mile courses on technical single track and primitive roads with significant elevation gain and remote backcountry terrain.

A unique "last person standing" trail run in Kempton, where runners complete 1.6-mile laps against a shrinking clock. The event culminates in a communal post-race gathering with food and sponsored refreshments.

Experience a loop based trail race at the Newbsanity Adventure Center featuring creek crossings and swamps. Choose between 5K, 15K, or 50K distances with an optional rucking class for those seeking a weighted challenge.

Season opener cross country meet on August 1, 2026 at West Guth Park in Corpus Christi, TX. Open to all with overall, age group and team awards plus finisher medals and a 5K race.

Trail races at Little Bennett Regional Park on August 1, 2026 feature a 3.7 mile 5K plus and a 6.2 mile 10K on twisty singletrack with hills and streamside sections. Staging is near the Prescott Horse Trailer Area in Clarksburg Maryland.

Experience an intense mountain trail race at Swain Ski Resort featuring 2500 feet of elevation gain across two loops. This USATF Niagara Championship event tests runners with steep ski slope climbs and rapid descents.

Trail races of 8K, half marathon, 30K and 50K run from Rodeo Beach through the Marin Headlands with coastal singletrack and ocean views. The event is limited to 350 runners and the 50K has an 8.5 hour time limit.

Experience a three mile obstacle course at Three Palms Action Sports Park in Conroe. Participants jump and crawl through mud and ropes while navigating walls and monkey bars in this outdoor event.

Experience an obstacle course with over a dozen mud pits at the 508 INTL Adventure Sports Center. Enjoy a non competitive environment featuring music, food, and a festive atmosphere for both participants and spectators.

A two-day trail running event in Hoodsport, WA featuring a **22 km** skyrace to Mt. Ellinor and an **8 km** forest loop, part of international skyrunning and qualification series.

Last Herron Standing Backyard Ultra in Kalispell runs across August 1–2, 2026 and features a last person standing format on a 4.167 mile loop. Events include solo, team relay for 2 to 4 runners, and a kids fun run.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

A free 5K loop for kids 12 and under in Wellsboro PA on August 1, 2026, featuring over 750 feet of elevation gain, two small stream crossings, onsite guides and a provided lunch.

The Great Sandbagger 8K features a unique race format based on predicted finish times. Runners start in staggered order, and the first to cross the line wins a traveling trophy. The certified 8K course starts at the McBaine Katy Trailhead.

An overnight 10-hour trail ultra in Lafayette on a 3.8-mile loop with single track, gravel and boardwalk. The cupless course has one aid station passed twice per lap and requires each runner to carry a light and hydration.

Experience the ultimate test of versatility at North Park with road and trail races. Choose a single discipline or tackle the combined challenge across the scenic lakefront and wooded switchbacks of Pennsylvania.

Run a point-to-point trail race through the Alaskan backcountry near Fairbanks. Choose between a 50-mile or 50K course on mixed terrain, finishing at the Chena Hot Springs Resort. A shuttle service is provided, and a post-race BBQ awaits.