Trail Running Calendar United States 2026-2027

Join this weekly trail running series at the Catamount Outdoor Family Center featuring distances from 5k to 10k. There are special categories for children and water stations available on site for all runners.

A free community run and festival in Seattle featuring a group run with 4 and 6.5 mile options, an expo with local race directors and brands, food, vendors, and a raffle.

Event Overview The Clipper XC Series is a four-week cross-country race series held on Wednesday evenings in the summer. The series consists of two distances run on alternating weeks. Race Details The events take place at the Ward Athletic C..

Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.

Trail races at Snowbird, Utah cover distances from 10 km to 50 km with significant elevation gain and mountain summit views. The event is part of the UTMB World Series and is associated with UTMB Cares US environmental efforts.

Experience a relaxed weekend of mountain running and community at the Nantahala National Forest. This adult trail camp features group runs and forest adventures for all activity levels in a social campground setting.

High-altitude trail races near Ketchum, ID offering 100 mile, 60K and 30K courses on remote, technical terrain with significant climbing and hiked-in aid stations. Shuttle service for the 30K and 60K is available until July 17.

A 100 mile point to point mountain ultramarathon in the Crazy Mountain Range near Lennep and Wilsall, MT, featuring about 23,000 ft of ascent, technical single track and remote sections across private, public, and Indigenous lands.

Traverse the rugged North Dakota Badlands on the famous Maah Daah Hey single track trail with distances ranging from 5k to a 116 mile ultra marathon through stunning buttes and prairie grasslands.

Experience the sunset at Nine Mile Recreation Area with a series of trail runs on single track mountain bike paths. Choose from multiple distances and navigate technical terrain using your own lights as the sun goes down.

Experience a true mountain ultra through the rugged alpine peaks and lakes of Northern Colorado. Navigate technical trails and high ridges across 60km or 100km courses in a wild wilderness setting.

Trail ultramarathons on the Resurrection Pass Trail between Hope and Cooper Landing, Alaska. Offered distances are 100 miles and 50 miles, featuring long out and back sections, remote checkpoints and limited on-course aid.

South Bay 24 is a timed endurance challenge on a flat 1.22-mile loop in San Diego. Runners choose from 24, 12, or 6-hour events, aiming for personal records or the 100-mile buckle. The event includes a campsite, meals, and a special prize f..

La Nuit is a night trail event at Cedar Ridge Preserve in Dallas on July 24-25, 2026, featuring 3, 6 and 9 hour races plus 1 mile, 5K and 10K options; the looped course runs through forest and around a pond and supports Equip Disciples and..

Run through the fields of Masterson Station Park in this cross country race featuring 5k and 10k distances. Enjoy a festive afterparty with bourbon tastings, music, and food trucks.

Test your stamina at this Fort Worth endurance event featuring 24 and 48 hour timed runs on a 1.25 mile loop. Enjoy professional timing, on site camping, and air conditioned facilities during this summer challenge.

Participate in the 49th annual Speedy Spaniard River Trail 10K along the scenic Spanish Fork River. Enjoy a chip timed course ending with refreshments and prize drawings with a free shuttle back to the start.

The Webster Trail Classic is a scenic trail run through three distinct parks in Webster, NY. Runners can choose between a 10-mile or a 3.5-mile course, each offering varied terrain. A free kids fun run is also part of the event.

Trail races in the northern Sierra Nevada from Downieville, California offer 25K, 50K, and 100K courses through river canyons and alpine ridgelines. The event includes multiple aid stations, required gear for the 100K, and a shuttle option..

A two-day trail running festival on July 25 and 26, 2026 with ultramarathon, shorter distance and relay options around Mendon Ponds. Proceeds support the Blue Foundation.