Trail Running Calendar United States 2026-2027

Fixed-time running events of 6 hour, 12 hour and 24 hour take place on a USATF certified 500 meter gravel loop at Nardini Manor in Buckeye, AZ, with on-course aid, live chip timing, cupless stations, and designated crew areas.

Momentus Back Yard Ultra in Monroe, NC uses a 4.167 mile loop on private farmland; entrants can run repeated hourly loops until one runner remains or choose a single 4.167 mile Celebrity Loop.

A backyard style ultra in Knoxville MD on May 30, 2026 where runners complete a 4.167 mile loop each hour until one remains. A 1 mile event runs for 24 hours with additional tie breaker miles if needed.

A trail running event at Point Pinole on May 30, 2026, offering a half marathon, 10K and 5K. The original Brazen Racing event welcomes runners and walkers and includes bib pickup, posted results, free photos and volunteer roles.

A multi distance running festival in Eaton, Colorado on May 30 to May 31, 2026 offering races from 7K to 100 Mile plus relay and timed events. The venue uses a 2 mile groomed loop and provides glamping and onsite amenities including sauna a..

A 5K trail event on May 30, 2026 at Danvers YMCA Camp in Boxford with separate courses for runners and for walkers and waggers, pond and vernal pool scenery, prizes, post-race treats, and registration benefits.

Trail races in Salt Lake City across the foothills offering 10K, Half Marathon, 50K and 50 Mile courses with significant elevation gain, GPX routes, aid stations, medals for finishers, and pre-race bib pickup.

Echo Valley is a two day trail running event in Lake Chelan offering a 1-mile kids race, 10K, half marathon and 50K on single loop forest trails with valley views. Camping, aid stations, and cupless racing rules apply.

A trail ultramarathon in Buffalo Creek, Colorado offering 50 mile and 50K courses on mostly singletrack through burned areas and ponderosa forest. Portions of proceeds support the North Fork Volunteer Fire Department and local groups.

A high-country trail event in the Angeles National Forest on May 30, 2026, offering 50k and 21k courses across Pacifico Mountain with multiple aid stations, a finish festival, awards and Sterling Silver Tickets for top 50k finishers.

A Backyard Ultra held May 30, 2026, on an exactly 4.1 mile loop around Mantua Reservoir. Flat, firm-dirt trail with springtime scenery and repeated loops rather than a fixed total distance.

The Dormie Challenge is Portage County's first ultra marathon on May 30, 2026 at UWSP campus in Stevens Point. It offers 12 hour and 6 hour endurance events with limited fields, aid stations, timing, and medical support.

Trail races at Doe Mountain Recreation Area near Mountain City Tennessee offering 50K, 25K and 13K courses with substantial elevation gain and an optional climb of the 60 foot Kettlefoot Fire Tower for sweeping 360 degree views.

An 8K trail race entirely within Lincoln Memorial Garden near Lake Springfield with wood-chipped and gravel trails and plank bridges. A Kids Fun Run offers three pond-loop distances; the 8K is limited to 300 participants and includes a shir..

Experience a technical trail race through the redwood groves of Joaquin Miller and Redwood Regional parks. Choose from multiple distances ranging from an 8K to a 50K ultra marathon on accurately measured courses.

Experience the mountain trails of Park City at the Twisted Fork Trail Festival. Choose between three distances featuring scenic ridgelines, aspen groves, and a lively finish at the Newpark Amphitheater.

Trail races at Giant City State Park include a new 5k, a half marathon loop, and a 40k two loop option on mostly single track with creek crossings, aid stations, cupless format, and optional t shirts.

Angry Cow Trail Run / Obstacle Race at Rockford Lake features an approximately 4 to 5 mile trail with on-course challenges, two-person team racing and a rucking option. Registration includes a shirt, awards, snacks and drinks.

An ultraloop on a hilly 7.7 mile circuit with a strict two hour lap cutoff and self supported format. Laps alternate direction and top finishers receive shoes and per lap cash prizes.

Trail running events at A.W. Marion State Park along Hargus Lake shoreline, featuring a half marathon, 10K, 5K, 6 Hours of Power and a 20K relay across 310 acres of woodlands and native landscapes.