The Defiance St. Patrick's Day Festival features a walk/run event on the Katy Trail, starting and ending at Good News Brewing Company. Attendees can enjoy a parade beginning at Defiance Ridge Vineyards and travelling through Downtown Defiance. Additional activities include live music, local vendors, food, and drinks. Limited parking is available at the brewery, with additional public parking nearby. Participants aged 21 and over receive a complimentary beer at Good News Brewing and another at the beer tent.