Trail Running Calendar United States 2026-2027

Loop based trail event at Cliff Cave Park on a marked 3.1-mile (5K) loop with a stocked aid station and varied terrain by the Mississippi River. Distances range from 5K to 50K and athletes may stop after any completed loop.

Continuous 40 or 50 mile loop racing on a 3.1 mile trail at Cliff Cave Park with a fully stocked aid station each lap and a 12 hour cutoff. The course features wooded hillsides, limestone bluffs and Mississippi River overlooks.

A trail ultramarathon at Prospect Acres Ranch where runners complete repeated 2.2 mile laps in 2, 4, or 8 hour formats. Field camping is available Friday evening and registration is $40 with proceeds supporting future events.

A 5K and 10K event at Leopold’s Preserve in Broad Run on August 23, 2026, offering in-person and virtual options and included in the Sippin Series with the Farm Brewery at Broad Run.

A trail running festival at Thacher State Park on August 23, 2026, offering **10K**, **13.1M**, **26.2M** and **50K** courses that share the same first 10K loop. The cupless event has multiple aid stations, post-race food, and medals for ma..

Trail race at Paul Douglas Forest Preserve on August 23, 2026 offering approximate 4, 9.5 and 13 mile courses. Part of the Dick Pond Athletics Darn Tough Trail Race Series with proceeds benefiting Chicago Area Mountain Bikers.

A women-only 5K obstacle mud run at North Carolina Motorsports Park on August 23, 2026, featuring 18+ obstacles and open to participants aged 7 and up. The event emphasizes fun and teamwork rather than competition.

A trail event at Granite Beach on August 23, 2026 offering 5K and 10K courses for runners and their dogs, with finisher medals and dog bandanas; aid stations provide drinks and gels and dogs have their own water.

Run through the scenic reservoir lakes and forests of Pennsylvania on a fast and flat trail course. Support clean water initiatives while enjoying an out and back race in the beautiful Roaring Creek Tract.

A 5K cross-country race at Waters Farm in Sutton, MA, marking the fourth running of the Old Goat Track Club XC Classic with on-site parking, finish-line water and fruit, portable toilets, and awards for individual and team results.

Experience an engaging 8 mile trail race through the winding singletrack of Fredericksburg. Navigate rolling hills and punchy climbs in this focused event supported by the local running community.

On August 23, 2026 Raptor Ridge stages a 6.5 mile trail race at Westmoreland Sanctuary in Mount Kisco, New York. The event starts and finishes at the Fox Lane High School campus, dogs are not allowed and non perishable food donations are co..

Black Diamond Express on August 23, 2026 features a 5K and a USATF certified half marathon along the Lehigh Valley Trail near Mendon, supporting the Mendon Foundation and trail maintenance with Monroe County Parks.

A 4.15 miles, two loop cross country race on the fire roads of the upper UC Santa Cruz campus on August 23, 2026. The event is part of the Pacific Association USATF Grand Prix series and has limited nearby parking.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

A point-to-point mountain ultramarathon in Logan, Utah, with an official route of 215 miles and 40,000 feet of climbing on mostly remote trails. Entrants must have finished a mountain 100+ mile race to qualify.

Experience a fast and flat 12k trail race through the scenic Valley Trails of Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in Bellvue.

A weekly trail race series in Williston, VT offering 5 km and 2.5 km options with adult and youth categories, bib pickup and on-course water refill. Events run rain or shine and follow a posted thunder and cancellation policy.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Experience a cross country race through the scenic grounds of Talon Winery in Lexington. Enjoy a finisher award plus a glass of wine and live music at the post race celebration.