Trail Running calendar near Thornton 2026-2027

Experience a grassroots trail event in Reinholds Pennsylvania featuring a 10 hour timed format. Runners tackle a 2.5 mile loop with 660 feet of climbing per lap at the South Mountain YMCA Peak Side trails.

Course and Format The event is a 50-kilometer (31-mile) race along the Schuylkill River Trail. It starts and finishes at Saint Michael's Park, which adjoins Lock 60 in Mont Clare, Pennsylvania, adjacent to Phoenixville. The course follows t..

A community run on April 29 that donates proceeds to Team RWB, held in person at EnerSys Global HQ in Reading, Pennsylvania, with a virtual 5K option. Participants receive a shirt, bib and finisher's medal.

Run or walk a 5K trail race under the Flower Moon at Brandywine Creek State Park. This inaugural event supports local trail nonprofits and finishes with a moonrise celebration featuring s'mores and lawn games. Leashed dogs are welcome to jo..

The first annual Lawrence Hopewell Trail 5K supports a 20-mile community trail. The race course passes by two lakes and the historic Hunt House. A non-competitive one-mile Fun Run is also offered for all paces.

Experience a 5K trail run through Jacobsburg State Park in Nazareth. Support the Wreaths Across America project while competing for speed or participating in patriotic and holiday themed costume contests.

Support youth mental health at this fast and flat out and back 5K along the Lebanon Valley Rail Trail. Enjoy a community atmosphere featuring cash awards for top finishers and prizes for the best twinning outfits.

Join the fifth annual Green Traill event in Easton, PA. It features a timed 5K run, a 2-mile walk, and a free Kids Fun Run. The volunteer-led event supports the preservation of Easton Cemetery.

Experience a scenic 5k trail run at Parvin State Park featuring State Police unit displays and a flyover. Support student scholarships and troopers in need while enjoying a day of community and outdoor activity.

A community 5K run/walk at My Lady’s Manor Steeplechase Course in Monkton, MD supporting The Harford Land Trust and The Manor Conservancy, with professional timing, awards by age group, and a post-race gathering with finger foods.

The Johnnycake Jolt Series is a four-week trail run event on Wednesday evenings in May. Runners can tackle a scenic 10 km course in the Pickall Area of Patapsco Valley State Park. It’s a grassroots series designed to bring the local running..

A community trail series at Haverford Reserve in May and June featuring two 5K races and a 1 mile trail walk. Event proceeds support trails in Haverford Township and registration is handled online.

Experience a premier obstacle course and mud run in Kennedyville, Maryland. Choose between the 5-7 mile Savage Race or the 3+ mile Blitz featuring over 25 unique obstacles and earn exclusive Syndicate medals.

Experience the Oktoberfest of trail running at Pennypack Park in Philadelphia. Enjoy a fast runnable course with distances of 25K 50K and 50 miles featuring German snacks accordion music and a festival atmosphere.

Test your endurance at this IAU Bronze Label event on a certified 400 meter track in Sharon Hill. Choose from 12 or 24 hour timed races and 50K distances in a cupless and supportive environment.

Experience the beauty of the Gunpowder Watershed in Parkville Maryland with a choice of trail distances. Support local land conservation while enjoying single track trails and family friendly activities.

Experience a trail run through the hills and woodlands of ChesLen Preserve with a 5K race or 2 mile fun run. Enjoy a post race celebration featuring live music, food trucks, and craft beer at the pavilion.

The Johnnycake Jolt Series offers four weekly 10k trail runs in Patapsco Valley State Park. It's a grassroots, low-key event organized by park stewards, with a discount for park members.

Trail races at Voorhees State Park on May 16, 2026 offering 50k and 10k options; the 50k is a UTMB Index five lap race with marked trails, aid stations and finish medals.

Experience the Conestoga Trail and Kelly's Run Nature Preserve with 5K, 10K, and kids trail races featuring river views and creek crossings in Holtwood.