U.S. Masters Swimming encourages adults to enjoy the health, fitness, and social benefits of swimming by providing more than 2,000 adult adult swimming programs and events across the country, including open water and pool competitions. USMS's nearly 70,000 members range in age from 18 to 99 and include swimmers of all ability levels. USMS, a nonprofit, also trains and certifies coaches and provides online workouts, a bimonthly member magazine, monthly eNewsletters, and technique articles and videos at usms.org.