Participants between ages 6-12 years enter this level once they have SUCCESSFULLY completed SWIMMER 3. Swimmers will move from a beginner to intermediate swimming level. Swimmers will complete standing dives, tread water for 1 minute, and work towards being able to swim underwater for 5m. Swimmers will achieve the Swim to Survive standard by being able to roll into deep water, tread water for 1 minute, and swim 50m. In addition to improving their front crawl, back crawl, and whip kick, swimmers will be introduced to breaststroke. - Swimmers are evaluated based on "Must-Sees" and progress to Swimmer 5 once all criteria has been successfully completed.