The Women's 50 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 7 August with the heats and the semifinals and 8 August with the final.[1]
| Women's 50 metre butterfly at the 2015 World Aquatics Championships | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
 Victory Ceremony | ||||||||||
| Dates | 7 August (heats and semifinals) 8 August (final) | |||||||||
| Competitors | 64 from 56 nations | |||||||||
| Winning time | 24.96 | |||||||||
| Medalists | ||||||||||
| ||||||||||
Records edit
Prior to the competition, the existing world and championship records were as follows.
| World record |  Sarah Sjöström (SWE) |
24.43 | Borås, Sweden | 5 July 2014 |
|---|---|---|---|---|
| Competition record | Therese Alshammar (SWE) |
25.07 | Rome, Italy | 31 July 2009 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
|---|---|---|---|---|---|
| 7 August | Semifinal 2 | Sarah Sjöström | Sweden |
25.06 | CR |
| 8 August | Final | Sarah Sjöström | Sweden |
24.96 | CR |
Results edit
Heats edit
The heats were held at 09:54[2]
Semifinals edit
The semifinals were held at 18:45.[3]
Semifinal 1 edit
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Jeanette Ottesen |  Denmark |
25.27 | Q |
| 2 | 5 | Lu Ying |  China |
25.79 | Q |
| 3 | 3 | Arianna Vanderpool-Wallace |  Bahamas |
25.81 | Q |
| 4 | 7 | Farida Osman |  Egypt |
25.88 | Q, AF |
| 5 | 6 | Kendyl Stewart |  United States |
25.93 | |
| 6 | 8 | Daynara de Paula |  Brazil |
26.24 | |
| 7 | 1 | Béryl Gastaldello |  France |
26.25 | |
| 8 | 2 | Kimberly Buys |  Belgium |
26.43 |
Semifinal 2 edit
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Sarah Sjöström | Sweden |
25.06 | Q, CR |
| 2 | 3 | Fran Halsall |  Great Britain |
25.71 | Q |
| 3 | 5 | Inge Dekker |  Netherlands |
25.90 | Q |
| 4 | 2 | Anna Dowgiert |  Poland |
25.91 | Q, NR |
| 5 | 1 | Mélanie Henique | France |
26.03 | |
| 6 | 6 | Elena Gemo |  Italy |
26.11 | |
| 7 | 7 | Silvia Di Pietro | Italy |
26.17 | |
| 8 | 8 | Noemie Thomas |  Canada |
26.37 |
Final edit
The final was held on 8 August at 17:32.[4]
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
 |
4 | Sarah Sjöström | Sweden |
24.96 | CR |
 |
5 | Jeanette Ottesen | Denmark |
25.34 | |
 |
6 | Lu Ying | China |
25.37 | AS |
| 4 | 1 | Inge Dekker | Netherlands |
25.64 | |
| 5 | 7 | Farida Osman | Egypt |
25.78 | AF |
| 6 | 3 | Fran Halsall | Great Britain |
25.85 | |
| 7 | 2 | Arianna Vanderpool-Wallace | Bahamas |
25.93 | |
| 8 | 8 | Anna Dowgiert | Poland |
26.20 |