The world championships finished on Sunday as the United States again ended top of the swimming table in Kazan with 23 medals followed by Australia (16), China (13) and Britain (nine).
But for coaches and swimmers alike, Kazan is already forgotten it is all about Rio from now on and lots of late nights.
Traditionally, the swimming section of the Olympics involves morning heats and early evening finals.
But to capitalise on the US television market, the Rio finals are scheduled to start at 2200 local time with the heats beginning at 1300.
It means many medals will be decided around midnight.
Any newly-crowned champion can expect to see their bed in the early hours of the next day after the medal ceremony, media interviews, doping control and bus to the athletes village.
For the swimmers, the unusual schedule is just part of their job description.
This is not the first time the Olympic schedule has been changed the finals of the 2008 Bejing games were held in the morning with evening heats.
You walk out for a final and the timing is the last thing on your mind, said Australia`s Mitchell Larkin, who won 100m and 200m backstroke gold in Kazan.
It will be late in Rio, but it is part and parcel of being an athlete. All we can do is prepare.
Sweden and Germany held training camps last January in Rio for their elite swimmers to get used to the Brazilian metropolis.
Each country has a plan for Rio, but Swimming Australia is holding a five-day training camp at Canberras Australian Institute of Sport next month to give their swimmers a taste of what to expect.
It includes two days of competition with early afternoon heats and late night finals, plus everything from doping controls to mock media interviews.
Everything from now on will be about getting the athletes as ready as possible for Rio, both inside and outside the pool, said Australia media manager Ian Hanson.
The Olympics has thrown a curve ball, but everyone is in the same boat.
A year is a long time in sport and the list of Rio medal winners is likely to look very different to those in Kazan.
Big names, like US superstar Michael Phelps, Frances Yannick Agnel and Australia James Magnussen, will return to fight for Rio medals.
Phelps, 30, was suspended for Kazan after last years drink driving conviction, but he would have won two world golds in Kazan, based on his times at the US Championships on Saturday.
Phelps world-best times for the 100 and 200m butterfly in San Antonio eclipsed those in the corresponding Kazan finals.
Katie Ledecky, the stand-out performer, left Russia with five gold medals having lowered two of her three world records.
The 18-year-old is the first swimmer in history to win the 200, 400, 800 and 1500m freestyle golds at a worlds and earned a relay gold.
She describes Kazan as a great stepping stone towards the US trials as she keeps slowly chipping away at her goals.