Trail Running Calendar United States 2026-2027

A minimal-support trail ultramarathon on the West Rim Trail at the Pennsylvania Grand Canyon. Offers 50K and 25K out and back courses with limited aid and a post race breakfast.

A timed loop event in Jacksonville on a pancake-flat 1.25 mile paved loop, offered as 3, 6, 9, and 12 hour races with a 6-hour relay option for four-person teams and a staffed aid station.

A timed endurance event on a flat 1-mile loop in Watertown, TN, with 6-hour, 12-hour (day and new night) and 24-hour divisions; personal aid areas, chip timing, and separate ruck and weighted vest categories.

Experience a rugged night trail run on a private ranch in Gilmer, Texas. Navigate single track trails and creek crossings under the stars with distances ranging from a 5K to a 50K ultra.

Join the Tiger Trail 5K in Lawrenceburg, part of the summer SIRC series supporting local school running programs. Choose from a run, walk, or cross-country member event, with special pricing for team members. Complete the circuit for a chan..

Choose your challenge at this classic Montana trail run. Take on the 10-mile loop with significant elevation in the Bridger Mountains or enjoy the neighborhood 5k. Both finish with a festive post-race BBQ.

Join this cross country community event in Santa Fe featuring 5K and 10K trail races. With specialized high school team divisions and free races for children of all ages, it is a comprehensive day of running for everyone.

This trail race takes place at the McDonough Wildlife Refuge in West Virginia. Participants can choose between an 8-mile run or a 4-mile walk on a scenic forest and marsh loop. It's part of a six-race series offering a commemorative jacket.

Mountain trail races on Vail Mountain at 10,000 feet with rerouted 10K and 5K courses, gondola access to the start, aid stations and finish food, age-group awards, t-shirts and a post-race raffle.

Join a community trail run or walk at Owen Bell Park to support the Ryan French Memorial Scholarship Fund. This family friendly event features a 5K trail, a walk, and a free kids fun run.

A multi-distance running event in Orlando on 2026-07-18 featuring a half marathon, 10K, 5K, shorter youth races, relay and a virtual option with mailed packets and race swag.

Trail ultramarathon at Great Bear near Sioux Falls, SD with 20k, 30k and 50k distances run as repeated 10 km loops with about 1200 ft gain per loop. Aid station and drop bag tarp are located at the Bear Den Chalet.

An endurance event on the Thumb Open Space trail in Estes Park that runs from sunrise to sunset. Participants repeat a 1 km out and back loop, collect poker chips at each turnaround, and earn milestone pins and awards.

Timed 3 and 6 hour events on a measured 2.425 mile loop through shaded woodlands at Route 66 State Park. Cupless event with aid at Forest Shelter; personal hydration and a headlamp are required.

Trail races in Hartford, Vermont, through the Hartford Town Forest and Conservation Area. Courses mix logging roads, packed trails, and single track, with a 5K mostly downhill and a 10K that earns Western NH series points.

A just under 50 km trail run in the southern Massanutten range with about 5,700 ft of elevation change, six aid stations, and a start and finish at the Route 211 parking area. Entry is limited to 75 runners.

A 5K run/walk along the Bear River in Petoskey, Michigan, featuring a footbridge and riverside gravel trail with a shaded final mile; proceeds support the Northern Michigan Cancer Crusaders and awards are given by age division.

A running event at Charlestown Park offering a five person relay and a solo ultra challenge on a roughly 2.2 mile loop. Teams and solo runners compete to cover the greatest distance with cash awards for top finishers.

A multi-sport relay event at Kroger Field in Lexington that raises funds through TeamRaising and donations to help cancer patients with needs such as gas, hotels, and meals.

A 100-minute looped running event at Williams Park in Gibsonburg where laps are recorded on a 0.9 mile loop. Entry is $25 and proceeds support a local foundation; all finishers receive awards and post-run food is provided.