Trail Running Calendar United States 2026-2027

Trail festival in Naples, NY featuring a single-loop 25K and a shorter 10K across Cumming Nature Center and nearby state lands, with three aid stations and proceeds supporting environmental education.

Experience the longest running night trail series in the country at Pedernales Falls. Choose from distances ranging from a youth mile to 60K and enjoy a unique evening of trail running in the Texas Hill Country.

A five-mile towpath race in Williamsport, MD, held as the 45th annual Gary Brown Memorial event. Entries include standard and student fees, a guaranteed T-shirt deadline, chip timing with instant results, podium awards, and designated parki..

The Kan is a mountain trail race at Mt Spokane State Park with 50k, 25k and 10k routes across alpine meadows and ski trails. Entry includes food and beer and the event offers prize money and other awards.

The City of Fullerton’s inaugural Fullerton Fit 5K Trail Run takes place June 6, 2026 on a dirt course near Brea Dam, accompanied by a Health & Wellness Fair with vendors, demonstrations, and food trucks.

A trail race on Tiger Mountain State Forest near Issaquah with 5k, 12.6k, and a 13.56 mile half marathon routes. Loop courses use forest roads and singletrack with aid stations offering water, electrolyte drink, and snacks.

Inaugural Mightyssippi on June 6, 2026 features a 10-mile, a new 5K, and a two-person 5-mile relay along the Mississippi River in St. Paul, with routes through Hidden Falls Park and a finish at Upper Landing Park.

An adaptive trail event at Russ Nature Reserve offering 1 mile, 2 mile, and 5K options; rolling starts accommodate walkers, runners, and wheelchair participants, with member fee waivers and on-site registration options.

Experience Ohio's largest state park at the Summer Sasquatch trail race. Run through rolling hills and bridle trails with distances ranging from 10 miles to 50K over a scenic weekend in Kimbolton.

A full-day community event at Walt Hundley Playfield on 06/06/2026 featuring obstacle-course waves, a 5K fun run, a 3K walk, and a 1K youth dash, with proceeds supporting Our Lady of Guadalupe Church and an on-site after-party.

Timed six and twelve hour trail run at Ponderosa State Park in McCall, Idaho on June 6, 2026, held as a fundraiser. Looped course with a 4.79 mile loop and a shorter 2.18 mile option during the final two hours.

Trail races at Van Peenen Memorial Park in Decorah, Iowa on June 6, 2026. Distances range from a kids mile to a 50K on marked single track trails with aid stations; proceeds benefit local schools and trails.

Dirt Circus in San Francisco is a free community festival by UltraSignup featuring a social 3.2 mi or 4.5 mi group run, an expo with brand vendors, food, and a raffle, plus local partners and limited on-site parking.

A community 5K in Kernersville on June 6, 2026, marking Fleet Feet’s 50th anniversary and Global Running Day. The event features a cross-country 5K split into two heats plus an untimed 1-mile fun run, with proceeds supporting Good Works Eng..

An hourly loop endurance race at Missouri Freedom Camp on June 6, 2026, where runners complete a 4.16 mile loop each hour until one remains. Proceeds benefit The Freedom 13 veteran support organization.

A 10 km trail run on single track mountain bike and snowmobile trails in Deerbrook, WI on June 6, 2026. Online registration is available through June 5 and the entry fee for the 10 km is $40.

A 10 km trail run on the Olmsted Loop Trail in Cool, California on June 6, 2026. The route follows rolling hills beside the American River Canyon and includes a staffed aid station near mile 3.

A USATF certified 5K road run in Downtown Clover on June 6, 2026 that raises funds for underprivileged children and Veterans. The event includes a children s fun run, age group awards, a free race shirt, and post race refreshments.

A non competitive group run along the D&R Canal Towpath with paced "trains" and multiple distances. The event benefits the Rutgers Cancer Institute with a $0.50 donation per mile and offers bus starts and a picnic option.

A volunteer-run community running event from South Kent to Alki in Seattle offering marathon, relay, half marathon and 50K options on a mostly flat course with two short hills near the end.