Trail Running Calendar United States 2026-2027

A scenic five mile memorial run and virtual five mile option in Hinckley, NY, with a kids fun run included; proceeds fund a memorial scholarship for students pursuing medical studies.

An off-road 18.2 mile trail race with 2,609 ft of climbing through Paradise Valley and Emigrant Gulch, featuring creek crossings, three aid stations, marked technical terrain, and a finish at Chico Hot Springs.

A 5K at Cathedral Caverns State Park near Woodville, AL on September 20, 2026, featuring a 0.6 mile out and back through a lit cave. Entries are limited to waves of 200 runners and registration carries a $45 fee.

A one mile loop elimination challenge in Webster NY on September 20, 2026 where runners must meet shrinking time cutoffs each mile; finishers receive a medal and category pins, with cash prizes for top male and female.

A 5K trail run at Winding Trails in Farmington on the designated course around Walton Pond, with registration from February 20 to September 20 and a $35 fee; overall and age-group awards plus a prize for the first local finishers.

A 5K trail race at Loon Mountain on September 20, 2026, as part of the 51st NH Highland Games, with 800 ft of elevation gain across dirt trails, service roads and ski trails. Registration includes a race shirt and festival admission.

A charity running event at Green Lakes State Park on September 20, 2026 with 8K and 5K races, a free kids fun run, a 5K lake trail route, and a 2 Mile trail walk, plus shirts, awards, aid stations, and free ice cream.

Experience the technical terrain of Cockaponsett State Forest with 4 and 9 mile trail races. Navigate hills and rocky paths in Chester to support PanCAN and the Blue Blazed Trail Race series.

Pair up for a three hour endurance relay on a two mile loop of trails and fields. Alternate laps with your partner to accumulate the maximum distance possible in this team based challenge.

A community 5k at Reclaimed Rails Brewing Company in Bondurant Iowa on September 20 2026 where participants can run walk or jog the course and finish with a celebration at the brewery.

A community 5K in Hillsborough, NH on September 20, 2026, organized by the Hillsboro Fire Department. The off-road course may be uneven and strollers are not recommended; registration runs March 25 to September 19 with a $30 fee.

A non-timed 2K and 5K trail run/walk at Case Creek Valley that welcomes leashed dogs and supports Rock Island County Animal Care & Control Shelter, with race bibs, optional T-shirts, finisher dog tags, and hydration stations.

A day of youth and adult cross country races in Aurora, Colorado on September 20, 2026, featuring grass courses with small undulations, a creek crossing, and bale jumps; distances run from 2k youth races up to a 5k open race.

A running event in Iroquois Park with an approximately 7.5 mile Lookout course and a 3.4 mile Short Loop option. Finishers receive medals and shirts are available by preorder with limited race day sales.

A one lap up and down mountain race in Waterville Valley, New Hampshire on September 20, 2026, part of the USATF-New England Mountain Racing Circuit. The course uses grassy ski slopes and gravel service roads and includes three aid stations..

The Arc'teryx Run Boston will take place in Milton on Sunday 20 September 2026. You can run 10 kilometers.

An 8.5 mile trail loop at Merck Forest in Rupert, Vermont with about 1,800 ft of climbing, two aid stations, and a separate 0.75 mile kids loop. Field limits apply and all proceeds support Merck Forest & Farmland Center.

A self supported, multi stage footrace across the Colorado Plateau high desert from the Grand Canyon. Six stages over seven days cover about 171 miles (275 km), with camps set up each morning and an optional supported category.

The 18th Annual Be Ovary Aware 5K run and 3K walk in Colorado Springs benefits Sue's Gift to support people with gynecologic cancer. The flat course follows Fountain Creek and includes fundraising options and event-day activities.

A women only 5K obstacle mud run at Carter & Stevens Farm in Barre, MA on September 20, 2026. The course has 18+ obstacles, welcomes participants ages seven and up, and emphasizes teamwork over competition.