Trail Running Calendar United States 2026-2027

BearLodge 10K on May 31, 2026 at Reuter Campground in Sundance WY is a 10K trail race through forested terrain with rolling elevation changes. A post race BBQ is planned and early registrants may receive socks.

A movement-focused running event in San Luis Obispo with in-person and worldwide virtual options. Timed loop races and a 5.5 mile King of the Mountain loop plus a post-run ceremony offer a finish without alcohol.

A three night trail series at Iola Winter Sports Club with changing 5K courses, a kids 1k and a vertical challenge on ski jump hills. Races are untimed and each night has a per event fee of $10.

A family friendly Monday night trail series in Nashua offering 5K and 5-mile races plus virtual options, themed evenings with music and giveaways, and occasional frozen treats at the finish.

Inaugural Carrera de las Rosas at the Shrine of Our Lady of Guadalupe in Des Plaines offers in person and virtual races, a kids run, and a wheelchair roll with an emphasis on inclusion and a cultural rose ritual.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

Weekly trail races at Catamount Outdoor Family Center in Williston, VT offer 2.5 km, 5 km and 10 km options for adult and youth runners. Events run rain or shine with a clear thunder policy and weekly bib distribution.

A weekly Tuesday evening cross country series at Waveny Park with varied distances and formats, including predicted time races, relays, handicaps, a luminaria finish, and age-graded awards.

The Big Run Roanoke on June 3, 2026 features a timed 5K and a free kids fun run at Fallon Park in Roanoke, VA. It marks the event's 10th year and serves as the official 5K for the Virginia Commonwealth Games.

A six-race trail series at Anne Springs Close Greenway in Fort Mill, running Wednesdays from May 6 to August 5, 2026. Courses of about 3–5 miles mix single track and gravel, with a points-based series scoring and a mix of door prizes and aw..

A 2.25 mile loop through Harris Nature Center and Eastgate Park in Okemos on June 3, 2026, with a post-event gathering and refreshments. Registration fees support the Harris Nature Center Foundation and a Hawk's Nest project.

A 5K trail event on June 3, 2026 at War Memorial Golf Course Park, featuring a grassy, low rock course. Registration has a $25 fee, Brooks and Fleet Feet will be present, and all proceeds go to Little Rock Parks and Recreation.

A course-free orienteering scavenger hunt through Frick Park with 10 or 20 checkpoint options and phones allowed. Local pizza and a brewery pop-up appear on Reynolds Street; registration by April 30 guarantees a race shirt.

A six-race Wednesday evening trail series in the Bear River Mountains with short and long course options. Cumulative time prizes are awarded and proceeds support Cache Trails Alliance trail projects.

An eight-week trail series at Northshore Park in Flower Mound with weekly chip timed 5K and 10K races on marked singletrack, weekly podiums, and final series awards; registrations are final but transfers are accepted.

Six trail races across Summit County, Colorado, in summer 2026. Series registration includes long and short course options with adult, youth, and non binary categories and events at multiple Summit County trail heads.

A low-key Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

A weekly 5K cross-country trail series at Worthington Winery in Somers, Connecticut, held Wednesdays from June 3 to July 1, 2026. The course runs through backwoods and vineyard areas with views of ponds and a covered bridge.

Two Dimple Dell trail races on April 29 and June 3 offer a 5.1 mile short course and an 8.4 mile long course with measured elevation gain, on site shoe demos, nutrition vendor, post race yoga, limited parking and cupless hydration.

A multi-day elevation endurance series at Mohawk Mountain in Cornwall Connecticut from June 4 to 7 2026. Events range from a 12 hour 15 mile challenge to 84 hour ultras with solo and team FlexRelay formats.