Swimmers not involved in elite competitions after ending their elite career. Master swimmers competitions are divided according to chronological ages: 25–29 years old; 30–34 years old; 35–39 years old; 40–44 years old; 45–49 years old; 50–54 years old; 55–59 years old; 60–64 years old; 65–69 years old; 70–74 years old; 75–79 years old; 80–84 years old etc.