Run-a-Muck

Newtown Square, United States • 4 Oct 2025

Run-a-Muck is an annual 5K running and walking event held in the scenic Willistown countryside, featuring a cross-country trail with diverse terrain. Participants can choose to run or "muck" (walk) the course, making it accessible for various fitness levels. The event offers a festive atmosphere with food, beer, wine, live music, lawn games, a mechanical bull, face painting, and prizes for the fastest runners. Leashed dogs are welcome, and sensory bags are available to support participants with sensory needs. Proceeds from Run-a-Muck support land preservation efforts by the Willistown Conservation Trust, promoting conservation in the local area. Visit the organization's website for the most recent information.

Race information

5 km
Visit the organization's website for the most recent information.
Trail runs nearby

The Coventry Woods 5K & 10K Trail Challenge is an exciting trail running event taking place in Pottstown, Pennsylvania. Scheduled for May 18, 2025, this race features two distances: a 5K and a 10K, both set on scenic trails that include a mix of rocky terrain, roots, and various track types. Partici..

The First State Trail Race, taking place in Wilmington, DE, offers a scenic and challenging experience for runners of all levels. Set in the picturesque Brandywine Creek State Park and First State National Historical Park, participants can choose from three distances: a 10K, 25K, or 50K. Each course..

The 1/2 Sauer 1/2 Kraut is a unique running event held at Pennypack Park in Philadelphia, PA, featuring a half marathon and marathon. The race takes place along a scenic, mostly shaded bike trail alongside Pennypack Creek, with a course described as a "rollercoaster" due to short, steep hills. Parti..

Loopy Looper is an ultra running event held at Cooper River Park in Pennsauken, New Jersey, featuring a fast and mostly flat 3.75-mile paved loop with scenic views of the Philadelphia skyline and river. The race offers multiple distances including 12-hour, 24-hour, and a 101.25-mile ultra, as well a..

The 5K Run for Thorncroft is an exciting event scheduled for August 28, 2025, in Malvern, PA. Participants can choose from several activities, including a 5K Trail Run, a 5K Walk, and a One-Mile Move-As-You-Please. The event is designed to be inclusive, welcoming dogs to join in the fun. After the r..

Ultra Trail DE is a 6-hour trail running event held at 2900 Montchanin Road in Wilmington, Delaware. The race features a challenging roughly 6-mile loop with about 700 feet of elevation gain per lap, set on private scenic trails that include creek crossings, singletrack, rolling hills, and unique la..