Olympic champion Ariarne Titmus has announced her immediate retirement from elite swimming in a surprise move.

The United States, which had a frustrating swim world championships, ended on a high note Sunday with a world record in the women’s 4x100 medley in the last event of the eight-day championships.

Three-time Olympic gold medalist Rowdy Gaines minces few words when he broadcasts swimming for the American network NBC.

The gold medals were spread around Friday at the swimming world championships, thanks to the absence of stars Léon Marchand of France and Canadian Summer McIntosh from any finals on Day 6 in Singapore.

Léon Marchand of France has won gold in the 200-meter individual medley at the swimming world championships in Singapore and it had a Texas flavor to it.

Léon Marchand has broken the world record in the 200-meter individual medley at the world championships in Singapore, clocking 1 minute, 52.69 seconds to surpass the 1:54.00 set in 2011 by American Ryan Lochte.

Katie Ledecky has ceded a tiny bit of ground in other events, but she’s still unbeatable in the 1,500-meter freestyle.

Summer McIntosh is off to a perfect start at the swimming world championships with two gold medals in two days.

For Summer McIntosh of Canada, it’s one gold medal won at the swimming world championships with four to go.

Léon Marchand’s life changed drastically after he won four gold medals a year ago in the Paris Olympics.

Summer McIntosh is set to compete in five individual events at the world swimming championships in Singapore.

Yu Zidi of China is only 12 years old and has qualified for the world swimming championships in Singapore.

No one can match America’s depth at the pool.

Katie Ledecky has capped another stellar Olympics by becoming only the second swimmer to win the same event at four straight Summer Games, holding off Ariarne Titmus to win the 800-meter freestyle.

At just 17 years old, Canadian swimming star Summer McIntosh is leaving Paris with an impressive haul of Olympic medals.

Simone Biles dazzled once again to win the gold medal in the women's all-around gymnastics final at the Paris Olympics.

Another romp for Summer McIntosh.

The atmosphere for Olympic swimming is electrifying.

Summer McIntosh relished her golden moment to make Canada proud.

American swimmers won four medals at the Olympics Monday night, but none of them gold.

Swimming’s next generation of stars claimed the spotlight at the Paris Olympics on Monday night, a brash group that comes from all over the globe.

Monday’s slate for the Paris Olympics includes a blockbuster tennis match, a handful of the world’s biggest basketball stars, a couple of compelling swimming finals and a gymnastics showdown.

It was billed as one of the most anticipated races of the Paris Olympics.

The 2024 Paris Olympics are underway.

Katie Ledecky is heading to her fourth Olympics, cruising to victory in the 400-meter freestyle at the U.S. swimming trials.

A summary of the top storylines in the sport of swimming that have taken place since the Tokyo Olympics, focusing on the biggest personalities looking ahead to the 2024 Paris Olympics.

Katie Ledecky’s 13-year unbeaten streak in the 800-meter freestyle is over.

Summer McIntosh, the 16-year-old Canadian who promises to be a star at next year’s Paris Olympics, has won her second gold medal of the World Aquatics Championships.

American freestyler Katie Ledecky has almost never gone home with anything other than a gold or silver medal in the Olympics or world championships dating from the 2012 London Games.

Olympic star Caeleb Dressel has returned to the competition pool after a layoff of nearly a year.

Canadian teenager Summer McIntosh has won the women’s 200 butterfly for her first title at the world swimming championships.