The Booth Lake Memorial Swim is an endurance event held in the Kettle Moraine region of Southeastern Wisconsin, offering options for open water swimming in Booth Lake. Participants can register for different swim lengths and are encouraged to swim in memory of someone special for Memorial Day. The event includes safety measures like lifeguards and kayakers, with requirements for participant experience and age. Registration provides items such as a swim cap and beach towel. The event also includes awards for different age divisions. Participants can use the swim to qualify for the "Swim of Legends."