The women's 50 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the semifinals and July 31 with the final.

Records Prior to the competition, the existing world and championship records were as follows. Name Nation Time Location DateWorld recordJessica Hardy 29.80 Federal WayAugust 7, 2009Championship recordYuliya Yefimova 30.09 RomeAugust 2, 2009

Results

Heats 36 swimmers participated in 5 heats.

Rank Heat Lane Name Nationality Time Notes 1 5 4 Jessica Hardy 30.20 Q 2 3 4 Yuliya Yefimova 30.72 Q 2 4 5 Rebecca Soni 30.72 Q 4 5 3 Jennie Johansson 30.89 Q, NR 5 5 5 Leisel Jones 30.93 Q 6 4 4 Leiston Pickett 31.07 Q 7 4 3 Rebecca Ejdervik 31.19 Q 8 3 3 Kate Haywood 31.30 Q 9 3 6 Liu Xiaoyu 31.32 Q 10 4 6 Moniek Nijhuis 31.40 Q 10 5 6 Zhao Jin 31.40 Q 12 5 7 Petra Chocova 31.41 Q 13 5 8 Sycerika McMahon 31.49 Q, NR 14 4 7 Rikke Pedersen 31.65 Q 15 3 8 Suzaan van Biljon 31.96 Q 16 3 1 Jane Trepp 32.00 Q 17 5 1 Erla Haraldsdottir 32.10 18 3 7 Stephanie Spahn 32.14 19 2 5 Danielle Beaubrun 32.27 NR 20 4 8 Loh Christina 32.29 21 3 2 Kim Dal-Eun 32.43 22 4 1 Anastasia Christoforou 32.69 23 2 6 Ivana Ninkovic 32.86 24 2 3 Lei On Kei 32.90 25 2 4 Patricia Casellas 33.62 26 2 2 Jamila Lunkuse 36.65 27 2 1 Mariana Henriques 37.23 28 2 7 Oksana Hatamkhanova 37.94 29 1 4 Antoinette Guedia Mouafo 40.15 30 1 5 Angelika Sita Ouedraogo 40.93 31 2 8 Dede Camara 44.44 32 1 6 Vilayphone Vongphachanh 46.37 33 1 2 Angele Gbenou 46.90 34 1 7 Nafissa Adamou 51.24 – 3 5 Dorothea Brandt DNS – 4 2 Jillian Tyler DNS – 5 2 Satomi Suzuki DNS – 1 3 Ingrid Outtara DSQ

Semifinals The semifinals were held at 18:16.

Semifinal 1 Rank Lane Name Nationality Time Notes 1 4 Yuliya Yefimova 30.81 Q 2 3 Leiston Pickett 30.96 Q 3 5 Jennie Johansson 31.16 Q 4 2 Moniek Nijhuis 31.40 Q 5 6 Kate Haywood 31.43 6 7 Petra Chocova 31.75 7 1 Rikke Pedersen 32.07 8 8 Jane Trepp 32.33

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Jessica Hardy 30.40 Q 2 5 Rebecca Soni 30.74 Q 3 3 Leisel Jones 31.14 Q 4 6 Rebecca Ejdervik 31.41 Q 5 7 Zhao Jin 31.46 6 2 Liu Xiaoyu 31.50 7 1 Sycerika McMahon 31.83 8 8 Suzaan van Biljon 31.97

Final The final was held at 18:02.

Rank Lane Name Nationality Time Notes 4 Jessica Hardy 30.19 3 Yuliya Yefimova 30.49 5 Rebecca Soni 30.58 4 6 Leiston Pickett 30.74 5 7 Jennie Johansson 30.89 =NR6 2 Leisel Jones 31.01 7 1 Moniek Nijhuis 31.33 8 8 Rebecca Ejdervik 31.45

References

External links 2011 World Aquatics Championships: Women's 50 metre breaststroke start list, from OmegaTiming.com; retrieved 2011-07-23.