IAN Thorpe, Libby Trickett, Michael Klim and Geoff Huegill have all tried ... with varying degrees of success.
But when Jessicah Schipper retires after the London Olympics, don't hold your breath waiting for a comeback.
She may be just 25 and still has a hunger for the sport, but the gold medallist from the 2008 Beijing games, and multiple world championship gold medallist said she had other plans after London.
"I'm loving it. I don't want to retire from racing, but this will definitely be my last Olympics," Schipper said.
"My husband (Brett Gillan) has an electrical business and I'll be doing the books.
"I also want to have a family. It'll be cute."
Schipper, who will compete in the 100m and 200m butterfly in London, has spent the past three days at a relay training camp in Canberra.
She said Australia had such depth in the sport it was always not only one of the toughest teams to beat at Olympic Games, but also to get into.
"Our trials are just so hard to get through. We've got so many good young swimmers coming through," she said.
"The team that gets picked is always one of the best in the world."
While last month's trials in Adelaide decided who would compete in individual events, the relays won't be decided until the competition starts in London where form will determine who starts in the finals.
Schipper said she hoped she would get a guernsey in the butterfly leg of the 4x100m medley relay, but said she had no idea who would compete in the other legs.
"We've got Belinda Hocking and Emily Seebohm in the backstroke, Leisel Jones and Leiston Pickett in the breaststroke, and seven or eight who could be in the freestyle," she said.
And that made for an exhaustive training camp with each swimmer having to trial with countless other combinations to ensure they knew the nuances of each potential relay teammate.
With 92 days to go before the games start, Schipper will head to Hawaii for a two-week training camp, followed by a meet in the US.
Then it's back home for more training and a grand prix meet in Canberra in June, before heading to Spain for more training and then on to Manchester two weeks before the games and into the Olympic Village for the final week.
"That's when it becomes really fantastic ... gets you feeling really, really hungry," she said.
"This will be my third Olympics but it doesn't get any less exciting."
SCHIPPER INSPIRATION: 'Don't take shortcuts. The only person you'll deceive if you do is yourself."
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