Trail Running Calendar United States 2026-2027

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.

A trail race day at Hobbs State Park on June 6, 2026 featuring 50K, 25K and 10K courses on runnable, not-too-technical trails; the event has donated over $100,000 to local groups since its 2006 start.

Two days of trail racing on Orcas Island centered at Doe Bay Resort with 50K, 25K and a combined 75K option. Courses run on single track through old growth forest with multiple staffed aid stations and significant elevation gain.

Blue Mound Trail Run on June 6, 2026 in Blue Mound State Park features 10K and 18K trail races on single-track and ski trails, and serves as a fundraiser for Friends of Blue Mound State Park.

This grassroots 5K event takes place in Arizona's Papago Park. Organized by Ghosthead Productions, it focuses on community and connection among athletes.

A road and trail event at Rockwood Hall in Rockefeller State Park Preserve featuring a 10K and a 1K kids race. The course follows wide carriage roads with Hudson River views and wooded sections, and proceeds support carriage road maintenanc..

A community 5K on High Bridge Trail State Park featuring a flat, out and back course across the half mile High Bridge. Online registration, family pricing, and parking details are provided with proceeds supporting park programs.

A community trail event at Opossum Lake Park offering a 6 mile obstacle course, a 4 mile run, and a 4 mile walk on mixed terrain, with chip timing, age-group awards, and proceeds benefiting the Friends of Opossum Lake Conservancy.

A 12-hour trail event in early June 2026 at Overlook Trailhead near Moreau beach featuring a 3.8-mile loop with a steep staircase climb. Participants can run solo, form relay teams, or enter a Fun Run of one to three laps.

A trail event on Wright's Mountain in Bradford, Vermont offering a 5K with an 850 foot climb and a 1.5 mile youth fun run. Proceeds support the Friends of Wrights Mountain Fund for forest maintenance.

Moon Over Croom is a running event on June 6, 2026 presented by Trailhead Ultras with three distance options: 21M, 14M, and 7M. The event is organized by Tampa Races.

A night trail event at Waterloo Park in Denison, TX offering 5K through 50K, a 50K relay and a 10K ruck on rooty single track with aid stations, required headlamps and a nine hour cutoff.