Trail Running calendar near Douglassville 2026-2027

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.

This 5.3-mile trail run at Frances Slocum State Park is the 34th annual spring event and a memorial for Jen Stec. It features a unique age-group graded, staggered start where awards go to the top 15 finishers. Registration is online only wi..

Experience the scenic beauty of the Brandywine Valley through forests and farmland. Choose between 10k, 25k, and 50k distances in this part of the USATF Mid Atlantic Off Road Series.

Tough Mudder Philly returns to Plantation Field on May 23, 2026. Choose from 5K, 15K, or an Infinity multi-lap challenge on a course of rolling hills and mud. All finishers earn a medal, shirt, headband, and a celebratory drink.

Experience a mix of road and single track trails at this Memorial Day Weekend event featuring a half marathon and a 5K. Test your skills on the rocky Plowville Section to support the Berks County Special Olympics.

The 1/2 Sauer 1/2 Kraut is a German-themed marathon and half marathon in Philadelphia's Pennypack Park. Runners enjoy a car-free, shaded course along the creek and a festive post-race party with Bavarian music, food, and awards. Be prepared..

Join this mission-based obstacle course in Mullica Hill featuring tiered challenges for different skill levels. Complete the 4 mile course individually or in teams to earn points and support a non-profit cause.

Join a unique non competitive group run along the D&R Canal Towpath with various distances and pace groups. Support the Rutgers Cancer Institute while running in a guided train formation to a celebratory picnic.

Awesum Possum Lake Trail Adventure at Opossum Lake Park offers a 6 mile obstacle course, a 4 mile run, and a 4 mile walk. The mixed-terrain course follows the Anglers Access Trail, uses chip timing, and benefits the Friends of Opossum Lake..

A free, timed 5K trail run at Crystal Lake Park on June 6, 2026, with a technical course of about 300 feet of elevation gain and a 40-runner field limit. Awards and a midway water station are provided.

A trail event in Wissahickon Valley Park on June 6, 2026 offering a 10K race and a 1 mile family nature walk. Proceeds support Friends of the Wissahickon for trail and watershed stewardship.

2026 Trail Blazer Run at Paradise Farm Camps offers a 5 Mile, 5K and 1.5 Mile family walk/run, with proceeds supporting East Bradford Township public trails. Race day includes a race shirt, an America 250 gift while supplies last, post race..

Experience a unique endurance test at the Wildlands Conservancy South Mountain Preserve featuring a last person standing backyard ultra a nighttime trail lap and a non alcoholic beer mile.

The XTERRA Transcend Trail Run offers three scenic trail distances at Dickerson Mine Preserve in New Jersey. This event is a qualifier for the XTERRA Trail Run World Championships. Runners start and finish at the lakeside Black River Barn.

Experience a scenic 5 mile trail run through Lancaster County Central Park featuring grass paths and water crossings. Compete for age group awards and enjoy a post race prize raffle in a beautiful natural setting.

Test your endurance on a 2 mile paved loop at the Rodale Park 12 Hour Challenge. Cycle, run, or walk to support the development of the September 11th National Memorial Trail.

This unique 10k trail race in Nolde Forest uses an age-graded start, giving everyone a chance to compete. Runners are grouped by age and gender, with head starts calculated to level the field. A portion of proceeds supports the maintenance..

Trail races at Coventry Woods Park on June 28, 2026 include 5K, 10K, timed 3 hour and 6 hour events plus a 6 hour team relay. Courses are mostly single track with notable elevation and on-course aid stations.

Join this free no-frills 5K race through the scenic Lehigh Parkway in Allentown. Experience a community event along the Little Lehigh Creek featuring a casual post-race atmosphere with snacks provided by the organizers.

Experience an obstacle course weekend at Blue Mountain featuring 5K, 10K, and kids races. Navigate dense forests and rugged hills in the Poconos with spectator access via chair lift for mountain views.