The two fastest-ever women over 200m are set to go head-to-head in the pool in Paris when Ariarne Titmus and Mollie O'Callaghan face off for gold.
It shapes as a fascinating showdown between the two Aussies, who have each claimed wins over the other in lead up.
Titmus slightly edged her compatriot in the semi final but both swimmers looked to have something in the tank for the final.
MORE: Full schedule for 2024 Olympic Games in Paris
Here's what time the action is due to go down in Australia:
What time is Ariarne Titmus vs. Mollie O'Callaghan in Australia?
Set your alarms, folks.
The women's 200m freestyle final is scheduled to begin at 5:41am AEST on Tuesday, July 30.
That makes for a 9:41pm start time in Paris.
After the race, Titmus will have a couple days off before the 800m freestyle heats get underway on Friday night AEST, while O'Callaghan will be backing up in the 100m freestyle heats on Tuesday night AEST.
Ariarne Titmus vs. Mollie O'Callaghan history
At the Australian championships earlier this year, O'Callaghan took home the honours before Titmus reversed the result at the Olympic trials a few months later in a race which saw them both finish under the previous world record time.
On that occasion, Titmus, 23, touched in a time 1:52.23, just ahead of her 20-year-old teammate, who clocked 1:52.48.
In Monday morning's semi final, Titmus recorded a 1:54.54, while O'Callaghan was just .06 behind, laying the platform for what should be an epic shootout in the final.
If both women bring their best, the world record, as well as Titmus' Olympic record of 1:53.50 from Tokyo could well tumble.
Ariarne Titmus vs. Mollie O'Callaghan odds: Who is the favourite for the women's 200m freestyle?
Will Titmus' relative experience advantage be the difference in O'Callaghan's first Olympics?
According bookmaker Sportsbet, Titmus is the favourite to take home another gold medal in the event, considered a $1.51 chance, while punters can get $2.03 on an O'Callaghan victory.
Hong Kong's Siobhan Haughey is the next shortest in the market at $19.
How to watch the Olympics in Australia on TV
The Nine Network has the full broadcast rights in Australia for the upcoming Olympic Games.
Events are set to be shown on free-to-air television via Channel 9 and 9Gem, with both channels to provide 24-hour hosted coverage.
This includes the opening and closing ceremonies of the games on 26th July and 11th August respectively.
How to live stream the Olympics in Australia
There are two streaming options for the Olympics, with 9Now available to all Australians for free and providing round the clock coverage of every event at the games, having a channel dedicated to each sport.
Users simply need to create an account using their email, and no financial information is required.
Stan Sport is also providing wall-to-wall coverage of the Olympics in Paris, streaming all events in 4K, whilst also having two daily shows.
STREAM: Every event from Paris 2024 ad-free, live and on demand with 4K.
All of the events will be able to be streamed live and on-demand.
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