Trail Running Calendar United States 2026-2027

Four weekly 10K trail runs in May 2026 at the Pickall Area of Patapsco Valley State Park, organized by park stewards and timed by running time. Local sponsors support the series and Friends of PVSP members receive a $27 series discount.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

A budget-friendly midweek trail series across four Monroe County parks offering single-race entries or an all four series option. Features chip timing, a post-race cookout, series scoring and awards plus a custom hat for series entrants.

Opening Night of a three-part mid-week trail race series in Frick Park, presented by Dick's Sporting Goods. Choose a 5K or 10K with start and finish on Reynolds Street near the Frick Museum parking lot.

A group trail run at Woodland Trails Regional Park in Elk River that follows the Prairie Poplar Wash Pond loop, with mixed paved and natural surfaces and a post run meetup at AEGIR Brewing Company offering beer and non alcoholic options.

A twilight trail running event at the Santos trailhead in Ocala, Florida, organized with the Hump Day Hustle series. The course is about 2.8 miles and participants are required to wear a headlamp; shirts are available for purchase.

A low-key timed event outside Norton, KS offering 72 hour, 48 hour, 24 hour, 12 hour and 6 hour options on a short loop through mowed pasture and dirt road, with continuous aid station service and on-site camping.

A multirace trail series in Marquette with five monthly events May through September and a 10K championship in October. Races are free to enter and scored by a proportional system based on each race winning time.

A six-race trail running series from May to October 2026, featuring five monthly trail races at local trailheads and a 10K championship in Marquette, free registration, and a proportional scoring system with a 15-point maximum for winners.

A multi-month trail series based in Houghton, with monthly races May through September and a championship in October in Marquette. Distances range from 3 miles to 10K and scoring is proportional based on each race’s winning time.

Six 5K cross country races take place at Van Cortlandt Park from May 28 to July 30, 2026, on the classic Tortoise and Hare course. The final three evenings include free half mile kids runs, weekly awards and post race raffles.

Experience the diverse trails of Bradys Run Park with distances ranging from a 5K to a 100 mile ultra. Runners navigate scenic single track and gravel roads through hills and streams in this multi day event.

A weekend of trail racing at Long Lake Outdoor Center near Middleville, MI, on May 29 to 30, 2026. Distances include 10K, 25K, 50K, and 100K; shirts are included and on-site cabin lodging is available.

Trail races at Dillon State Park near Zanesville on May 29-30, 2026. Options include a 5.3 mile Yellow Loop and timed 6H and 24H ultras on shaded, varied trails with on-site camping and festival amenities.

A 24 hour lap-based trail relay at the Whitewater Center in Charlotte where teams of 2 to 12 score points by completing laps of varying distance and elevation while camping on site with meals included.

A team trail relay at Dillon State Park on May 29-30, 2026 featuring shaded forest and lakeside trails, limestone cliffs, and a 122 mile total course with Ragnar Village camping, food trucks, bonfires, glamping, and other on-site amenities.

STADIUMTREK West Ottawa on May 29, 2026 challenges participants to complete 14,000 steps within a three hour window to earn 14ER status. Individual and relay entries are offered with team rules and a registration fee.

An obstacle race weekend at Toro Park near Salinas on May 30-31, 2026, featuring a 5 km Sprint with 20 obstacles, a 10 km Super with 25 obstacles, kids races and trail events across wooded, hilly coastal terrain.

At Fort Carson near Pike's Peak on May 30 to 31, 2026, Spartan offers multiple obstacle races at high elevation. Events range from a kids 1 to 3 km race to a 50 km Ultra and include a pre event workshop and spectator access.

A 100K point to point trail race in Port Mayaka, Florida, from the NENA trailhead to Hobe Sound beach. The mostly single track route crosses varied coastal ecosystems, requires a crew, and has an 18 hour time limit.