The document summarizes the SURF - LIFEGUARD PREEMPLOYMENT TEST used by the U.S. DOI / National Park Service. It was based on Dr. Cooper's aerobic research findings and includes an endurance swim, speed rescue, underwater swim, escapes, and endurance run. The test aims to evaluate the mental ability, speed, strength, stamina, knowledge and ability to perform under stress that is required of surf lifeguards. It has been favored over alternatives because it matches the work environment and allows for workforce diversity while maintaining standards. The test is reviewed annually to keep its content current and reflective of leading surf lifeguard practices.