The Shamrock Shuffle in Bernardsville, NJ, features a USATF Grand Prix 5K, a 2-mile walk, and a free kids' fun run, alongside St. Patrick's Day festivities. Participants can register with an option to purchase a commemorative t-shirt. The first 350 registrants for the 5K receive a finisher medal. The event proceeds support the School of Saint Elizabeth. The race occurs regardless of weather, unless circumstances require cancellation for safety reasons.