2027 Great Marsh Mud Mosey

Race Information

The Great Marsh Mud Mosey features a 5k-sh run throughout a very unique private property in Northern Chester County. The race proceeds will be donated to the Great Marsh Institute and ChesCo Search Dogs. The course is relatively flat but will pass along through the marsh ponds on the property, alongside wooded boundaries past 100's of acres of farm land and then into the muddy portion of the property and finish on the only paved road before you hit the finish line.

👍 Run Pick of the Month: Ocean City Runinng Festival 🌊

5K • 8K • Half-Marathon • Marathon

🗓️ November 14, 2026 - Saturday | 📍 Ocean City, MD

💸 Exclusive $15 Off! Use Code: Run26Guide

Experience the energy of a growing regional race, attracting runners from across the Mid-Atlantic to one of the premier coastal events in the area.

Why we like this event:
✅ Coastal Course: Run the iconic boardwalk and Assateague Island
✅ Mini Beach Getaway: Combine a premier race with a weekend at the coast
✅ Finish-Line Party: Relax and celebrate your medal right by the water

If you’re looking for a fall race with ocean views and a getaway vibe, now’s the time to lock in your spot! 🌊

Get Event Info 🌊

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