Trail Running Calendar United States 2026-2027

A multi-distance trail race series on the Maah Daah Hey Trail in the North Dakota Badlands offering courses from 5K to 116 miles with varied footing, creek crossings, aid stations and checkpoint support.

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.

A 24 hour endurance event at Montgomery Waller Community Park in San Diego on July 24, 2026. Runners loop a 1.22 mile course over trail, grass and bike path with formats from 6 hour to a HEFFTY Half Marathon and a $1500 purse prize.

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.

A multi-day endurance gathering in Fort Worth featuring timed 48-hour and 24-hour runs, 6-hour rucks, and a virtual 48-hour option on a 1.25-mile loop with aid stations, indoor shelter, professional timing, and finisher awards.

A road race in Spanish Fork that follows the Spanish Fork River Trail from Canyon View Park to Sports Park, offering a 10K and a Kids 1 Mile, with chip timing, packet pick up, prize drawings, and a shuttle for participants.

An overnight team relay across coastal Maine from Ellsworth to Eastport covering 102.7 miles. Teams of four to eight run legs ranging from just under 4 miles to just over 10 miles on trails and coastal roads.

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 trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

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.

Pikes Peak Ultra in Colorado Springs features 20K, 30K, 50K and 50 mile trail courses from Bear Creek Regional Park with substantial elevation change, cupless aid stations, and published maps and GPX files for each distance.

Standhope 100 is a 100 mile trail race in Idaho's Pioneer Mountains on 25 and 26 July 2026. The route includes over 23,000 feet of climbing, remote stretches with 12 aid stations, and finishers receive a buckle and a race shirt.

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

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Experience a scenic trail journey through Cuyahoga Valley National Park and Summit Metro Parks. Choose from 100 mile, 50 mile, marathon, or relay distances in this historic Northeast Ohio endurance event.

Trail races on Grand Island, offshore from Munising, Michigan, offering 50K, marathon and half marathon routes across singletrack, beach and forest with ferry and shuttle logistics, aid stations, and age group awards.