The Shamrock Shuffle is an endurance event starting and finishing at Johnny's Tavern in Lawrence. Participants will navigate routes through historic neighborhoods, with proceeds supporting local charities chosen by the Lawrence St. Patrick's Day Committee. Registration includes a commemorative shirt, a participation award, and an Irish breakfast. Aid stations are placed throughout the course, and awards will be given to the top finishers in various categories, including overall, master, and super master for both male and female participants.