Trail Running Calendar United States 2026-2027

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.

Timed ultraruns on a farm outside Norton, KS featuring repeated 3 mile loops, an optional 4.3 mile dirt loop window, chip timing with live lap tracking, 24/7 aid, free camping, and distances from 6 to 72 hours.

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 single-track trail racing at Long Lake Outdoor Center near Middleville, MI, offering 10K (Friday night), 25K, 50K and 100K on Saturday, with on-site cabins and a race shirt included if registered by May 1.

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 to 30, 2026, covering 122 miles in total with about 15.8 miles per runner across shaded forest and single-track trails beside a reservoir and white sand beach.

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 point to point 100K trail race on May 30, 2026 from the NENA trailhead in Port Mayaka to Hobe Sound beach, running through varied Florida ecosystems. The race has an 18 hour limit and requires a support crew.

A Backyard Ultra at Willenborg Woods in Charleston, IL on May 30, 2026 where runners repeat a 4.167 mile trail loop each hour until one finisher earns a Bronze Ticket toward the Big Dog's Backyard Ultra World Championship.

Trail races of 10 mile, 50K, and 50 mile around Smith Rock State Park and the Crooked River Grasslands with significant elevation change, single track sections, and multiple aid stations.

Experience the rugged beauty of the Endless Mountains in Pennsylvania with this technical trail event. Runners navigate waterfalls and vistas across two demanding distances with comprehensive aid station support and post race meals.

Experience an all terrain trail race through the historic grounds of Luckenbach Texas featuring stream crossings and live country music. Choose between a timed competitive heat or a social beer mile and fun run for teams and individuals.