The heats for the women's 50 m butterfly race at the 2009 World Championships took place in the morning and evening of 31 July, with the final in the evening session of 1 August at the Foro Italico in Rome, Italy.
Records edit
Prior to this competition, the existing world and competition records were as follows:
World record | Marleen Veldhuis (NED) | 25.33 | Amsterdam, Netherlands | 19 April 2009 |
Championship record | Therese Alshammar (SWE) | 25.82 | Melbourne, Australia | 30 March 2007 |
The following records were established during the competition:
Date | Round | Name | Nationality | Time | Record |
---|---|---|---|---|---|
31 July | Heat 10 | Sarah Sjöström | Sweden | 25.74 | CR |
31 July | Heat 13 | Therese Alshammar | Sweden | 25.44 | CR |
31 July | Semifinal 1 | Marleen Veldhuis | Netherlands | 25.28 | WR |
31 July | Semifinal 2 | Therese Alshammar | Sweden | 25.07 | WR |
Results edit
Heats edit
Semifinals edit
Rank | Name | Nationality | Time | Heat | Lane | Notes |
---|---|---|---|---|---|---|
1 | Therese Alshammar | Sweden | 25.07 | 2 | 4 | WR |
2 | Marleen Veldhuis | Netherlands | 25.28 | 1 | 4 | NR |
3 | Ingvild Snildal | Norway | 25.53 | 2 | 5 | NR |
4 | Marieke Guehrer | Australia | 25.58 | 2 | 3 | OC |
5 | Yafei Zhou | China | 25.59 | 1 | 6 | AS |
6 | Sarah Sjöström | Sweden | 25.76 | 1 | 5 | |
7 | Daynara de Paula | Brazil | 25.85 | 2 | 7 | SA |
8 | Diane Bui Duyet | France | 25.87 | 2 | 8 | NR |
9 | Jeanette Ottesen | Denmark | 25.90 | 2 | 6 | |
10 | Hinkelien Schreuder | Netherlands | 25.94 | 1 | 7 | |
11 | Silvia di Pietro | Italy | 26.00 | 1 | 3 | |
12 | Sviatlana Khakhlova | Belarus | 26.00 | 2 | 1 | |
13 | Gabriella Silva | Brazil | 26.02 | 1 | 2 | |
14 | Triin Aljand | Estonia | 26.16 | 1 | 1 | |
15 | Christine Magnuson | United States | 26.21 | 2 | 2 | |
16 | Daniela Samulski | Germany | 26.33 | 1 | 8 | NR |
Final edit
Rank | Name | Nationality | Time | Lane | Notes |
---|---|---|---|---|---|
Marieke Guehrer | Australia | 25.48 | 6 | OC | |
Yafei Zhou | China | 25.57 | 2 | AS | |
Ingvild Snildal | Norway | 25.58 | 3 | ||
4 | Therese Alshammar | Sweden | 25.59 | 4 | |
5 | Marleen Veldhuis | Netherlands | 25.63 | 5 | |
6 | Sarah Sjöström | Sweden | 25.66 | 7 | |
7 | Diane Bui Duyet | France | 25.92 | 8 | |
8 | Daynara de Paula | Brazil | 26.12 | 1 |