Annual Horse Show held at Washburn Park, off Rte 105/Front St., Marion MA. The show has run for over 74 years on July 4th weekend as a tradition and is Family friendly. The starts at 8 a.m. with in-hand classes and continues on until about 4:30 p.m. Our Mission The Mission of the Marion Horse Show is to preserve the horse tradition of Marion Massachusetts; host an annual July 4th horse show and family event. Charles R. Washburn Park and the Arne Arena is a Marion Treasure, conveniently located at the crossroads of I195 and 105 in Marion, Massachusetts. Members and friends of the Marion Horse Show need not be owners or riders, or have any experience with horses. A love of tradition and the preservations of open space is all that is required. Our History The Marion 4th of July Horse Show was founded in 1947 by Charles R. Washburn as a fund raiser for local youth groups. The towns of Marion, Mattapoisett, and Rochester, known as “The Tri-Towns”, pooled resources for their 4th of July festivities and parade. Tucked away down a peaceful