Trail Running Calendar United States 2026-2027

A weekly 8 week trail running series at Northshore Park in Flower Mound offering chip timed 5K and 10K races, weekly podiums and final series awards. Distances are approximate and courses are well marked.

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.

Experience Idahos highest trail race in the rugged Pioneer Mountain range. This high altitude event offers individual distances of 30k 60k and 100 miles through stunning central Idaho wilderness.

A point to point 100 mile mountain ultramarathon in the Crazy Mountain Range near Wilsall and Lennep, Montana. The course covers about 23,000 feet of climb to near 10,200 feet and crosses private ranches and Apsaalooke 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.

A low key, mostly self supported trail ultramarathon on the historic Resurrection Pass Trail in Alaska offering 50 mile and 100 mile distances over late July dates.

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..

Night trail running at Cedar Ridge Preserve in Dallas on July 24-25, 2026 with looped 3.2 mile course, 1 mile/5K/10K options, timed 3/6/9 hour races and a 9 hour three person relay; aid stations and cupless policy.

Evening cross country races of 5k and 10k at Masterson Station Park on July 24, 2026, with music, food trucks and bourbon tastings. The 5k allows walkers and the 10k has a 16 minutes per mile cutoff.

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.

A July 25, 2026 trail event in Downieville, California, offering 25K, 50K and a demanding 100K that climbs to Plumas-Eureka/Blairsden. The race features multiple aid stations, mandatory gear for the 100K, and a post-race gathering.

A trail weekend in Mendon Ponds near Honeoye Falls with solo 100 mile, 50 mile, day and night 50k races plus 5, 10 and 20 mile options and 99 mile and 50 mile relays. Proceeds benefit the Blue Foundation.

A backyard ultra in the woods near Concord, North Carolina with repeated 4.167 mile loops that begin each hour. The last runner to complete a full loop wins and results are reported by distance covered.

Experience the mountain trails of Colorado Springs at the Pikes Peak Ultra. Choose from four race distances that take you through high elevation terrain including Cheyenne Canon and the summit of Mt. Rosa.

Event Overview The Standhope 100 is a 100-mile endurance trail run held on July 25-26. It is described as Idaho's highest trail race, taking place in the remote Pioneer Mountains. The course covers over 23,000 feet of climbing across remote..

Join an obstacle course event at Sunday River Resort in Newry Maine featuring a 5K course through ski trails and wooded mountain terrain.