Trail Running Calendar United States 2026-2027

An eight-week chip-timed trail series at Northshore Trail in Flower Mound featuring weekly 5K and 10K races on singletrack, podium awards each week, final series awards, rain dates, and transfer options with no refunds.

Join a three-person relay or youth obstacle race at Gibbet Hill. Runners navigate cattle trails and scenic ruins before enjoying a post-race barbecue with live music and community fundraising.

An evening trail race at Fillmore Glen State Park offering 3-mile and 8-mile courses that run along the gorge rims and cross the creek on bridges. The marked routes include stairs, water stops, and count toward FLRC trail-circuit standings.

A point to point mountain ultramarathon in Bridger-Teton National Forest covering 105.7 miles and about 24,000 feet of climb, with 11 aid stations and a 48 hour cutoff; the race is a Hardrock qualifier.

A self navigated mountain challenge in Lake City, CO with 24 required proof points and checkpoints. Routes are unmarked, aid is allowed only at checkpoints, and finishers must return to Lake City within 48 hours.

An endurance event at Mill Creek Park in Kansas City with a Last Runner Standing format and 3, 6, 9 and 12 hour timed races. Runners repeat a one hour loop of four one mile laps and find aid stations each mile.

A seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.

A two mile grass cross country meet in Mason Ohio on August 7 2026 with races for high school and open divisions. Registration opens February 3 2026 and the entry fee is $15.

A three day guided trail running retreat in Roaring Gap NC with daily guided runs, lodge accommodations, shuttle service, meals, and coaching presentations. Multiple room options and a recommended ability up to about 10 miles on mountain tr..

Experience the final race of the summer at Farmdale Reservoir in Washington Illinois. This five mile trail run features a mix of prairie woods and singletrack paths through a diverse landscape.

A two day untimed trail event at New Belgium Ranger Station in Snowmass Village offering 3.76k, 5k and 10k distances. Completing all three earns the 18.76k Challenge medal; the event includes a free craft brew, medals, music, food, and vend..

A three-week series of 10K night trail races in Wildwood, MO with increasing climb each week; races on August 7, 14 and 21, 2026 include post-race snacks and a cup-free, zero waste approach.

A three day mountain biking and trail running festival in Duluth, Minnesota with races from youth XC and trail runs to multi stage enduro and downhill competitions. Courses include cross country singletrack and technical black diamond trail..

An overnight team relay at Big Bear Lake in Bruceton Mills, WV, with tree-lined trails through ferns and pines. Teams of 2, 4, or 8 cover 117 miles total over two days and one night, with camping and village amenities.

A free 32 hour ultramarathon at Pointe Mouillee State Game Area near South Rockwood MI, run on dikes and marsh trails with 8 mile, 4.6 mile, and 4 mile loops. Self supported with a 50 runner limit and vehicle access every 8 miles.

High-elevation mountain ultras near Sumpter, Oregon offering 50 mile and 50K courses along the Elkhorn ridgeline with mandatory safety gear and a prior trail ultramarathon requirement.

A one mile obstacle mud run with 16 obstacles, giant sprinklers and a lazy river at the Bennick Compound in Morganton, NC. The event focuses on mud and water course features within a short, obstacle centered layout.

A trail race on August 8, 2026, starting at Fairhaven Park and running into Larrabee State Park. Routes showcase forest, lakes, and narrow ridgelines with options of 12K, 25K and 50K and significant elevation gain.

A half marathon and a 50K on the Dahlgren Railroad Heritage Trail in King George, VA on August 8, 2026. Mostly flat rails to trails courses with time limits, finisher medals, apparel options and postrace food including free MooThru ice crea..

Trail races on Frisco Peninsula offering 5k, 10k and a half marathon with single track and lakeshore finishes, marked courses and aid stations on the longer distances. Awards by overall and age categories and a post race plaza gathering.