Trail Running Calendar United States 2026-2027

A forest trail 5K in Montpelier, VT on May 30, 2026 featuring mostly single track, technical roots and rocks, and about 500 feet of elevation gain. The marked course runs through North Branch trails and is part of the local race series.

A 5.5K trail race in Saint Paul, Virginia on May 30, 2026, featuring a steep opening climb, downhill and level trail sections, and a riverside finish. The race is part of the SFTC Trail Racing Series with online entry and set registration d..

A community 5K trail run/walk at Winfield City Lake with adult and 10 and under divisions, a 3.1 mile shoreline course, water stations, hidden cash prizes, and proceeds shared with a local charity.

An evening trail event at Dos Rios State Park near Modesto offering 3 mile and 5 mile runs on fire roads along the Tuolumne River. Free registration and an informal post run gathering with donations supporting park rangers.

A donut-themed family run and walk on May 30, 2026 at Kankakee Community College supporting Catholic Charities. Options include a 5K, a 2K, and a virtual participation option; youth entries are free.

A team obstacle run at Meramec Adventure Ranch featuring a 9 mile course with 50 plus obstacles and a 2.3 mile fun-run option. Teams stay together, face land and water challenges including two swims, and carry a provided egg while supportin..

A four race trail series in Evergreen offering distances from 5K to half marathon across Elk Meadow, Alderfer, Staunton State Park and Bergen Peak. Events include vendor tents, rec trailer activities, and refreshments for participants and s..

ROCK CREEK 100 is a 100 mile looped trail event near Washington D.C. held May 30–31, 2026, consisting of ten 10 mile loops with about 8,200 ft of climbing and a 36 hour cutoff.

The Valley Series Downhill will take place in Running Springs on Saturday 30 May 2026.

The Toro Park Trail Run offers 10K, half marathon, and marathon distances on the rocky trails and dirt roads of California's Toro Park. The summer event features rolling golden hills and oak trees. It is held as part of a Spartan festival w..

Trail running at Robert Treman State Park with 5K, 10K and half marathon routes featuring wooded climbs, Lucifer Falls gorge, singletrack descents, early packet pickup and on site parking.

A 3-mile obstacle race in Downtown El Paso on May 31, 2026 featuring 15+ obstacles, on-course safety measures, hydration and recovery zones, and entertainment along the route.

Experience a scenic point to point run from Plover to Amherst along the Tomorrow River Trail. This half marathon concludes at the Central Waters Brewing Co for a memorable finish in Wisconsin.

An 80s themed race day at Eisenhower Park offering in person and virtual distances from a kids dash to a chip timed half marathon, with a costume contest, DJ music, medals and age group awards.

Trail and virtual 25k and marathon events at Carvins Cove on May 31, 2026, featuring steep climbs and long descents, spring blooms, and RNUTS qualification.

A grassroots trail half marathon in Sky Valley, GA, offering clock times only and no shirts or awards. Day-of registration is cash only and volunteers receive a complimentary entry to the next race.

A community 5K along the Lansing River Trail starting at Lansing Shuffle on May 31, 2026, organized by the Ingham County Bar Association Young Lawyers Section. Entry includes a t-shirt if registered by May 13 and a $10 Lansing Shuffle gift..

SwimRun Knox on May 31, 2026 features a 12.25 mile swimrun at Mead's Quarry and Ijams Nature Center plus a 3.18 mile trail 5k and a 13.1 mile trail half marathon, with team and individual entry options.

The second annual Live Free Fun Run and Festival in Woburn features a scenic 2.5 mile off-road run or walk around Horn Pond. The festival includes food trucks, a DJ, kids activities and tables from over 25 local mental health and substance..

A scenic loop at Sky Meadows State Park on May 31, 2026, offering 5K and 10K courses with views of fields, streams and Turners Pond. Walkers are welcome and virtual entries are available with medal and shirt options.