Sligo's Mona McSharry has finished in eighth place in the 100-metres breaststroke final at the Tokyo Olympics.
The 20-year-old clocked 1-minute-6-point-9-4 seconds in what was the first Olympics final for an Irish swimmer in 25 years.
American teenager Lydia Jacoby took gold and McSharry says she's gained valuable experience ahead of the Paris Games in 2024
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Aidan Walsh has booked his place in the quarter-finals of boxing's welterweight division.
The Belfast fighter has secured a unanimous points win over Albert Mengue from Cameroon.
He'll be back in the ring on Friday against Merven Clair of Mauritius, where a victory for Walsh would secure him at least a bronze medal.
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The Irish Rugby 7s team suffered last-gasp heartbreak in missing out on a place in the knock-out stages.
Needing to win by eight-points, they conceded a last-minute try in their 12-7 win over Kenya in their final Pool game.
Hugo Lennox and Harry McNulty scored the Irish tries.
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Limerick's Carolyn Hayes finished in 23rd position in the women's triathlon as Flora Duffy landed Bermuda's first-ever Olympics gold medal.
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Annalise Murphy was ninth in the fifth race in sailing's Laser Radial and is currently in action in race six.
Robert Dickson and Waddilove compete in their first three races of the 49er class later this morning.
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At ten-to-midday, Darragh Greene competes in the heats of the men’s 200-metre breaststroke swimming.
Daniel Wiffen makes his Olympic debut in the 800-metre freestyle.
And in between, the Irish quartet go in the 4-by-200-metre freestyle.
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There will be no gold medal for one of the faces of the Games - after Naomi Osaka crashed out of the tennis.
The Japanese star who lit the flame during the opening ceremony was beaten in straight sets by Marketa Vondrousova in the third round of the women's singles.
