The Shamrock Shuffle is an annual running and walking event held in downtown Melbourne as part of a St. Patrick's Day celebration. Registration includes a themed t-shirts, finisher medals, and refreshments. The event features various awards for top finishers, including overall, master's, and age group categories. Additionally, a Guinness Beer Challenge offers special recognition for top male and female participants. Dogs, except for ADA service animals, are not allowed at the event. Registration fees vary, with discounts available for opting out of t-shirts or medals.