The women's 100 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 25 with the preliminary round and the semifinals and July 26 with the final.

Records Prior to the competition, the existing world and championship records were as follows. Name Nation Time Location DateWorld recordJessica Hardy 1:04.45 Federal WayAugust 7, 2009Championship recordRebecca Soni 1:04.84 RomeJuly 27, 2009

Results

Heats

46 swimmers participated in 6 heats, qualified swimmers are listed: Rank Heat Lane Name Nationality Time Notes 1 6 4 Rebecca Soni 1:05.54 Q2 6 5 Ji Liping 1:07.10 Q3 6 7 Sarah Poewe 1:07.38 Q4 4 5 Satomi Suzuki 1:07.39 Q5 5 6 Jillian Tyler 1:07.67 Q6 5 4 Leisel Jones 1:07.72 Q7 5 3 Rikke Pedersen 1:07.80 Q7 6 3 Jennie Johansson 1:07.80 Q9 4 4 Yuliya Yefimova 1:07.81 Q10 4 3 Sun Ye 1:07.96 Q11 5 5 Leiston Pickett 1:08.06 Q12 5 2 Moniek Nijhuis 1:08.16 Q13 4 2 Marina Garcia Urzainque 1:08.42 Q14 6 6 Amanda Beard 1:08.51 Q15 4 1 Petra Chocova 1:08.58 Q16 4 6 Joline Höstman 1:08.63 Q17 6 1 Sara El Bekri 1:08.96 18 3 4 Stacey Tadd 1:09.08 19 5 7 Daria Deeva 1:09.12 20 4 8 Kim Janssens 1:09.25 21 6 2 Tianna Rissling 1:09.29 22 3 2 Jenna Laukkanen 1:09.39 NR23 5 1 Chiara Boggiatto 1:09.50 24 4 7 Rie Kaneto 1:09.56 25 3 6 Suzaan van Biljon 1:09.64 26 3 3 Hrafnhildur Lúthersdóttir 1:09.82 NR27 3 8 Sycerika McMahon 1:09.91 28 5 8 Back Su-Yeon 1:10.00 29 2 3 Evghenia Tanasienco 1:11.03 30 3 5 Stephanie Spahn 1:11.13 31 6 8 Sara Nordenstam 1:11.33 32 2 4 Danielle Beaubrun 1:11.34 NR33 3 7 Tanja Smid 1:12.12 34 2 5 Anastasia Christoforou 1:13.15 35 2 6 Patricia Casellas 1:13.16 NR36 3 1 Carolina Mussi 1:13.66 37 2 1 Ivana Ninkovic 1:14.32 NR38 2 8 Matelita Buadromo 1:14.70 39 2 2 Daniela Lindemeier 1:15.64 40 2 7 Jessica Stephenson 1:16.54 41 1 3 Pilar Shimizu 1:21.19 42 1 5 Oksana Hatamkhanova 1:22.66 43 1 6 Mariana Henriques 1:26.27 44 1 4 Ouyngerel Hantumur 1:28.86 45 1 2 Antoinette Guedia Mouafo 1:30.56 46 1 7 Dede Camara 1:40.16

Semifinals The semifinals were held at 18:20.

Semifinal 1

Rank Lane Name Nationality Time Notes 1 3 Leisel Jones 1:06.66 Q 2 4 Ji Liping 1:07.09 Q 3 2 Sun Ye 1:07.25 Q 4 7 Moniek Nijhuis 1:07.60 Q 5 5 Satomi Suzuki 1:07.68 6 6 Jennie Johansson 1:08.02 7 8 Joline Höstman 1:08.55 8 1 Amanda Beard 1:08.64

Semifinal 2

Rank Lane Name Nationality Time Notes 1 4 Rebecca Soni 1:04.91 Q 2 6 Rikke Pedersen 1:07.13 Q 3 3 Jillian Tyler 1:07.28 Q 4 2 Yuliya Yefimova 1:07.53 Q 5 7 Leiston Pickett 1:07.87 6 5 Sarah Poewe 1:08.38 7 8 Petra Chocova 1:08.40 NR 8 1 Marina Garcia Urzainque 1:08.81

Final The final was held at 19:48.

Rank Lane Name Nationality Time Notes 4 Rebecca Soni 1:05.05 5 Leisel Jones 1:06.25 3 Ji Liping 1:06.52 4 1 Yuliya Yefimova 1:06.56 5 2 Sun Ye 1:07.08 6 6 Rikke Pedersen 1:07.28 7 7 Jillian Tyler 1:07.64 8 8 Moniek Nijhuis 1:07.97

References

External links 2011 World Aquatics Championships: Women's 100 metre breaststroke start list, from OmegaTiming.com; retrieved 2011-07-23.