Get ready for an exciting day of fitness and fun at the Mud Mountain Dam Half Marathon and 5K, taking place on Saturday, September 20th, 2025, in the picturesque town of South Prairie, Pierce. This vibrant fall event invites runners of all levels to experience the beauty of the Foothill Rail Trail, which features a stunning half marathon course starting at an elevation of 467 feet and gracefully descending 339 feet to finish at the Historic McMillin Bridge.

Participants in the half marathon will enjoy a scenic route that winds through charming farmlands and lush forests, all while snaking alongside the tranquil Carbon River. Meanwhile, the 5K race offers a delightful out-and-back course on the Foothills Trail, perfect for those looking to enjoy a shorter distance with stunning views. With a fully paved surface and a festive atmosphere, there’s truly no excuse not to join in and "do the dam thing!" Mark your calendars and prepare for a memorable day of community and camaraderie at this exciting event!