Ten must-watch races and everything you need to know about the world swimming championships

It’s been four years since there was a fully fledged longcourse world championships.

The postponement of the 2020 Tokyo Olympics meant last year’s world championships in Budapest were the first held since 2019 in Gwangju, South Korea.

However, Australia and a number of other countries didn’t send their strongest team to Budapest because the Commonwealth Games started shortly after in Birmingham.

Many of Australia’s swimmers took part in the world shortcourse championships in December in…