Walsh sets new Olympic recordpublished at 19:37 British Summer Time 27 July 2024
Women's 100m butterfly semi-finals
![US' Gretchen Walsh reacts after setting an Olympic record in a semifinal of the women's 100m butterfly swimming event during the Paris 2024 Olympic Games at the Paris La Defense Arena in Nanterre, west of Paris](https://ichef.bbci.co.uk/ace/standard/640/cpsprodpb/vivo/live/images/2024/7/27/8e56b81c-0402-4bcb-ac26-be582b81d1bc.jpg.webp)
What a semi-final race from Gretchen Walsh.
The American just misses out on her own world record, but she sets a new Olympic record with a time of 55.38 seconds.
Germany's Angelina Koehler finishes second, while Mizuki Hirai is third.
Great Britain's Keanna Macinnes comes in eighth.