U.S. Masters Swimming is a nonprofit national governing body that promotes health, wellness, fitness, and competition for adults through swimming. USMS has more than 1,500 adult swim programs across the country and promotes information via the bimonthly member magazine, SWIMMER, monthly eNewsletters, STREAMLINES, and website, usms.org. USMS sanctions and promotes pool, open water, and virtual events and competitions. Nearly 65,000 adults are registered members of U.S. Masters Swimming.