| Women's 50 metre backstroke at the 2017 World Aquatics Championships | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Venue | Danube Arena | |||||||||
| Location | Budapest, Hungary | |||||||||
| Dates | 26 July (heats and semifinals) 27 July (final) | |||||||||
| Competitors | 63 from 55 nations | |||||||||
| Winning time | 27.14 | |||||||||
| Medalists | ||||||||||
| 
 | ||||||||||
| 2017 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 1 m | men | women | 
| 3 m | men | women | 
| 10 m | men | women | 
| 3 m & 10 m | mixed team | |
| Synchronized | ||
| 3 m | men | women | 
| 3 m | mixed | |
| 10 m | men | women | 
| 10 m | mixed | |
| High diving | ||
| 20 m | women | |
| 27 m | men | |
| Open water swimming | ||
| Single | ||
| 5 km | men | women | 
| 10 km | men | women | 
| 25 km | men | women | 
| Relay | ||
| 4 × 1,25 km | mixed | |
| Swimming | ||
| Freestyle | ||
| 50 m | men | women | 
| 100 m | men | women | 
| 200 m | men | women | 
| 400 m | men | women | 
| 800 m | men | women | 
| 1500 m | men | women | 
| Backstroke | ||
| 50 m | men | women | 
| 100 m | men | women | 
| 200 m | men | women | 
| Breaststroke | ||
| 50 m | men | women | 
| 100 m | men | women | 
| 200 m | men | women | 
| Butterfly | ||
| 50 m | men | women | 
| 100 m | men | women | 
| 200 m | men | women | 
| Individual medley | ||
| 200 m | men | women | 
| 400 m | men | women | 
| Freestyle relay | ||
| 4 × 100 m | men | women | 
| 4 × 100 m | mixed | |
| 4 × 200 m | men | women | 
| Medley relay | ||
| 4 × 100 m | men | women | 
| 4 × 100 m | mixed | |
| Synchronized swimming | ||
| Solo | ||
| Technical | women | |
| Free | women | |
| Duet | ||
| Technical | women | |
| Technical | mixed | |
| Free | women | |
| Free | mixed | |
| Team | ||
| Technical | women | |
| Free | women | |
| Combination | women | |
| Water polo | ||
| Tournament | men | women | 
The Women's 50 metre backstroke competition at the 2017 World Championships was held on 26 and 27 July 2017. [1] [2]
Prior to the competition, the existing world and championship records were as follows.
| World record |  Zhao Jing  (CHN) | 27.06 | Rome, Italy | 30 July 2009 | 
|---|---|---|---|---|
| Competition record |  Zhao Jing  (CHN) | 27.06 | Rome, Italy | 30 July 2009 | 
The heats were held on 26 July at 09:30. [3]
The semifinals were held on 26 July at 17:51. [4]
| Rank | Lane | Name | Nationality | Time | Notes | 
|---|---|---|---|---|---|
| 1 | 5 | Georgia Davies |  Great Britain | 27.49 | Q, NR | 
| 2 | 6 | Emily Seebohm |  Australia | 27.51 | Q | 
| 3 | 4 | Aliaksandra Herasimenia |  Belarus | 27.54 | Q | 
| 4 | 3 | Wang Xueer |  China | 27.60 | Q | 
| 5 | 2 | Anastasia Fesikova |  Russia | 27.65 | |
| 6 | 7 | Mimosa Jallow |  Finland | 27.95 | NR | 
| 7 | 8 | Theodora Drakou |  Greece | 28.13 | |
| 1 | Alicja Tchórz |  Poland | 
| Rank | Lane | Name | Nationality | Time | Notes | 
|---|---|---|---|---|---|
| 1 | 5 | Etiene Medeiros |  Brazil | 27.18 | Q, AM | 
| 2 | 4 | Fu Yuanhui |  China | 27.19 | Q | 
| 3 | 2 | Kathleen Baker |  United States | 27.48 | Q, NR | 
| 4 | 3 | Holly Barratt |  Australia | 27.51 | Q | 
| 5 | 6 | Hannah Stevens |  United States | 27.63 | |
| 6 | 1 | Kylie Masse |  Canada | 27.64 | NR | 
| 7 | 7 | Andrea Berrino |  Argentina | 27.80 | NR | 
| 8 | 8 | Simona Baumrtová |  Czech Republic | 28.03 | 
The final was held on 27 July at 18:06. [5]
| Rank | Lane | Name | Nationality | Time | Notes | 
|---|---|---|---|---|---|
|  | 4 | Etiene Medeiros |  Brazil | 27.14 | AM | 
|  | 5 | Fu Yuanhui |  China | 27.15 | |
|  | 1 | Aliaksandra Herasimenia |  Belarus | 27.23 | ER | 
| 4 | 2 | Emily Seebohm |  Australia | 27.37 | OC | 
| 5 | 3 | Kathleen Baker |  United States | 27.50 | |
| 6 | 8 | Wang Xueer |  China | 27.55 | |
| 7 | 7 | Holly Barratt |  Australia | 27.60 | |
| 8 | 6 | Georgia Davies |  Great Britain | 27.61 |