Saving their best until last, Australia have added another medal to their world swimming championships tally at Budapest after teenager Ariarne Titmus powered home to clinch 4x200m freestyle relay bronze.

They are still yet to strike gold but Australia's silver streak has continued on day four of the world swimming championships at Budapest.

The world championships came alive as Lilly King of the United States won the women's 100 metres breaststroke title in one of three world-record swims at the end of a breathtaking evening session.

Australia's Emma McKeon has set a new national record to claim 100m butterfly silver at the world swimming championships in Budapest on Monday.

• ANALYSIS

There were encouraging signs for the Dolphins on the opening day of the FINA World Championships but smashed records and crunch performances from key rivals prove the bar has been lifted once again in the wake of the Olympic Games.

Olympic champion Mack Horton insisted his slow time hurt more than arch nemesis Sun Yang denying him 400m freestyle gold at the world swimming championships at Budapest on Sunday night.

As swimming becomes more data-driven and analytical than ever before, the Australian Olympian wants to dial back his obsessive approach and try to live in the moment.

Mack Horton, Cameron McEvoy, Emily Seebohm and Bronte Campbell headline Australia's hopes in Budapest as the world prepares for another Katie Ledecky masterclass at a major meet.

Olympic champion Mack Horton still managed to pump up his rivalry with Sun Yang even further ahead of the world swimming championships in Budapest, by again dismissing him as a drug cheat.

The world record holder will be a spectator at this week's FINA World Championships in Hungary but has reaffirmed to Swimming Australia her dedication for the Gold Coast next year and onto the Tokyo Games.

A Brazilian court has dismissed the criminal case against US swimmer Ryan Lochte, who had been charged with filing a false robbery report during the 2016 Olympics in Rio de Janeiro.

The pair will meet for the first time since their explosive showdown in Rio when they square off in the 400m freestyle at the FINA World Championships in Hungary.

Reece Whitley would love the notion of an elite African American swimmer to be a norm instead of a novelty.

Mixed relays and three-a-side basketball will be included in the 2020 Tokyo Olympics Games.

A shattered Thomas Fraser-Holmes will plead his case to the Court of Arbitration for Sport as he tries to salvage an appearance at the Commonwealth Games next April after being ousted from swimming for 12 months.

Olympic champion Kyle Chalmers says surgery for a worsening heart condition was a success.

Close your eyes for a moment. Take a breath. What's the first thing that comes to mind when you think about swimming?

The Olympic champion will sit out this year's FINA World Championships as he undergoes surgery for supraventricular tachycardia.

Teenage Olympic champion Kyle Chalmers has pulled out of July's world swimming championships and is to undergo surgery for a worsening heart condition.