When you buy through our links, Insider may earn an affiliate commission. Learn more. Olympic swimming events will be broadcast live on NBC and USA. Sean M. Haffey/Getty Images Tokyo Olympic swimming events start on July 24 and conclude July 31. Swimming events will air on USA and NBC via live TV streaming services. On the USA team, expectations are high for Katie Ledecky and Caeleb Dressel. Table of Contents: Masthead StickyTV (small)Swimming events at the 2020 Tokyo Olympics start on July 24 and continue daily until July 31.