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Tokyo Olympic Games on BBC Dates: 23 Jul-8 Aug Time in Tokyo: BST+8. Listen live on BBC TV, BBC iPlayer and BBC Red Button; Listen live on BBC Radio 5 Live, Sports Extra, and Sounds; Live text and video clips available on BBC Sport app and website.
Ariarne Titmus, Australia's national swimmer, beat American Katie Ledecky to win her latest battle. She set a Games record for the women's 200m freestyle race in Tokyo.
Titmus beat Ledecky in Monday's 400m freestyle final. He was able to touch home in 53.50 seconds.
Ledecky, the defending champion, finished fifth and claimed her sixth Olympic gold medal just an hour later.
She won the 1500m freestyle, her favourite event, with a commanding win.
Ledecky won the race from the beginning, finishing in 15 minutes 37.34. Before congratulating Erica Sullivan who took silver, she congratulated her teammate.
Ledecky's weakest form is the 200m, but she came to the Games in order to defend the titles she won in Rio 2016.
This is her first finish outside of the top-two in her Olympic career.
Titmus and She could meet up in the 800m freestyle. Heats will take place on Thursday.
Siobhan Haughey from Hong Kong won silver and Penny Oleksiak, Canada, took bronze.