Become a certified lifeguard by successfully completing this course including First Aid & Safety and CPR/AED for Lifeguards certifications. Prerequisites: Minimum age 15 by course completion. Swimming pre-test on first day: 300 yard swim using front crawl and breaststroke, timed surface dive with 10 pound brick recovery from 7 to 10 foot depth and 20 yard swim while carrying the brick in 1 minute 40 seconds, 2 minute tread using legs only. Failing the pre-test disqualifies you from the course. Pre-requisites are subject to change as determined by the American Red Cross.