| 2009 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 1 m | men | women |
| 3 m | men | women |
| 10 m | men | women |
| Synchronised | ||
| 3 m | men | women |
| 10 m | men | women |
| Open water swimming | ||
| 5 km | men | women |
| 10 km | men | women |
| 25 km | men | women |
| 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 × 200 m | men | women |
| Medley relay | ||
| 4 × 100 m | men | women |
| Synchronised swimming | ||
| Solo | ||
| Technical | women | |
| Free | women | |
| Duet | ||
| Technical | women | |
| Free | women | |
| Team | ||
| Technical | women | |
| Free | women | |
| Combination | women | |
| Water polo | ||
| Tournament | men | women |
This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations .(October 2019) |
The heats for the women's 50 m breaststroke race at the 2009 World Championships took place in the morning of 1 August, with the final in the evening session of 2 August at the Foro Italico in Rome, Italy.
Prior to this competition, the existing world and competition records were as follows:
| World record | 30.23 | Montreal, Canada | 8 July 2009 | |
| Championship record | 30.45 | Montreal, Canada | 31 July 2005 |
The following records were established during the competition:
| Date | Round | Name | Nationality | Time | Record |
|---|---|---|---|---|---|
| 1 August | Heat 10 | Kasey Carlson | | 30.34 | CR |
| 1 August | Heat 12 | Yuliya Yefimova | | 30.24 | CR |
| 2 August | Final | Yuliya Yefimova | | 30.09 | WR |
| Rank | Name | Nationality | Time | Heat | Lane | Notes |
|---|---|---|---|---|---|---|
| 1 | Sarah Katsoulis | 30.33 | 2 | 5 | ||
| 2 | Moniek Nijhuis | 30.38 | 1 | 5 | NR | |
| 3 | Yuliya Yefimova | 30.40 | 2 | 4 | ||
| 4 | Amanda Reason | 30.42 | 2 | 3 | ||
| 5 | Kasey Carlson | 30.46 | 1 | 4 | ||
| 6 | Rebecca Soni | 30.56 | 2 | 6 | ||
| 7 | Tarnee White | 30.80 | 1 | 6 | ||
| 8 | Valentina Artemyeva | 30.92 | 2 | 7 | ||
| 8 | Annamay Pierse | 30.92 | 2 | 2 | ||
| 10 | Lowri Tynan | 31.03 | 1 | 8 | ||
| 11 | Kerstin Vogel | 31.04 | 1 | 3 | ||
| 12 | Katharina Stiberg | 31.09 | 2 | 1 | NR | |
| 13 | Sophie de Ronchi | 31.12 | 1 | 2 | ||
| 14 | Roberta Panara | 31.16 | 1 | 1 | ||
| 15 | Georgia Holderness | 31.25 | 1 | 7 | ||
| 16 | Katja Lehtonen | 31.37 | 2 | 8 |
| Rank | Name | Nationality | Time | Lane | Notes |
|---|---|---|---|---|---|
| 1 | Annamay Pierse | 30.98 | 5 | ||
| 2 | Valentina Artemyeva | 30.99 | 4 |
| Rank | Name | Nationality | Time | Lane | Notes |
|---|---|---|---|---|---|
| Yuliya Yefimova | 30.09 | 3 | WR | ||
| Rebecca Soni | 30.11 | 7 | AM | ||
| Sarah Katsoulis | 30.16 | 4 | OC | ||
| 4 | Moniek Nijhuis | 30.46 | 5 | ||
| 5 | Annamay Pierse | 30.53 | 8 | ||
| 6 | Kasey Carlson | 30.65 | 2 | ||
| 7 | Amanda Reason | 30.67 | 6 | ||
| 8 | Tarnee White | 30.91 | 1 |