U.S. Masters Swimming encourages adults to enjoy the health, fitness, and social benefits of swimming by providing more than 2,000 adult swimming programs and events across the country, including open water and pool competitions. USMS’s nearly 55,000 members range from age 18 to 97 and include swimmers of all ability levels. USMS, a nonprofit, also trains and certifies coaches and provides online workouts, a bimonthly member magazine, monthly newsletters, and technique articles and videos at usms.org.