America's Janet Evans is the only female swimmer to collect back-to-back titles in Olympic and world championships. The retired American competitive swimmer specialized in distance freestyle events, winning four gold medals from the 1988 and 1993 Olympics. She also engaged in freestyle and individual medley and was a world champion and record holder of 400, 800, and 1,500-meter freestyle distances. In the Swimming World Magazine, Janet was named three times as the Female World Swimmer of the Year and has been admitted as an "Honor Swimmer" in the International Swimming Hall of Fame.