Join thousands of kids and families at aquatic facilities and waterparks around the globe for The World’s Largest Swimming Lesson™. We’re breaking the Guinness World Record™ to spread the word that Swimming Lessons Save Lives.™ For more information about the event, visit WLSL.org. NOTE: All swimming abilities welcome. Everyone must be registered in order to participate. Participants will be divided into groups by age. Register in person at the Lisle Recreation Center or online by clicking the link below. Register in-person at the Lisle Recreation Center, or by calling 630-964-3410.