Swimming at the 2011 World Aquatics Championships – Women's 50 metre butterfly

The women's 50 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 29 with the heats and the semifinals and July 30 with the final.

Women's 50 metre butterfly
at the 2011 World Aquatics Championships
DatesJuly 29, 2011 (heats and semifinals)
July 30, 2011 (final)
Competitors52 from 47 nations
Winning time25.71
Medalists
 Inge Dekker   Netherlands
 Therese Alshammar   Sweden
 Mélanie Henique   France
2011 FINA
World Championships
Diving
Individual
1 mmenwomen
3 mmenwomen
10 mmenwomen
Synchronised
3 mmenwomen
10 mmenwomen
Open water swimming
Single
5 kmmenwomen
10 kmmenwomen
25 kmmenwomen
Team
5 km mixed
Swimming
Freestyle
50 mmenwomen
100 mmenwomen
200 mmenwomen
400 mmenwomen
800 mmenwomen
1500 mmenwomen
Backstroke
50 mmenwomen
100 mmenwomen
200 mmenwomen
Breaststroke
50 mmenwomen
100 mmenwomen
200 mmenwomen
Butterfly
50 mmenwomen
100 mmenwomen
200 mmenwomen
Individual medley
200 mmenwomen
400 mmenwomen
Freestyle relay
4×100 mmenwomen
4×200 mmenwomen
Medley relay
4×100 mmenwomen
Synchronised swimming
Solo
Technicalwomen
Freewomen
Duet
Technicalwomen
Freewomen
Team
Technicalwomen
Freewomen
Combinationwomen
Water polo
Tournamentmenwomen

Records

Prior to the competition, the existing world and championship records were as follows.

NameNationTimeLocationDate
World record
Championship record		Therese Alshammar Sweden25.07RomeJuly 31, 2009

Results

Heats

51 swimmers participated in 7 heats.[1]

RankHeatLaneNameNationalityTimeNotes
174Therese Alshammar Sweden25.68Q
275Jeanette Ottesen Denmark25.88Q
377Dana Vollmer United States25.98Q
466Lu Ying China26.16Q
554Sarah Sjöström Sweden26.17Q
662Christine Magnuson United States26.20Q
764Inge Dekker Netherlands26.32Q
853Mélanie Henique France26.37Q
963Yuka Kato Japan26.37Q
1056Triin Aljand Estonia26.43Q
1176Tao Li Singapore26.43Q
1273Marleen Veldhuis Netherlands26.50Q
1355Marieke Guehrer Australia26.59Q
1457Daynara de Paula Brazil26.60Q
1571Vanessa Mohr South Africa26.69Q
1667Amit Ivry Israel26.83Q
1768Elena Gemo Italy26.86
1843Katerine Savard Canada26.87
1961Sviatlana Khakhlova Belarus26.98
2052Ingvild Snildal Norway27.01
2178Ellen Gandy Great Britain27.01
2272Jiao Liuyang China27.03
2351Kristel Vourna Greece27.15
2465Yolane Kukla Australia27.24
2558Fabienne Nadarajah Austria27.27
2644Hannah Wilson Hong Kong27.38
2745Eszter Dara Hungary27.53
2846Svetlana Fedulova Russia27.61
2935Katarina Listopadova Slovakia27.62
3041Sara Oliveira Portugal27.75
3148Iris Rosenberger Turkey27.82
3234Jeserick Pinto Venezuela27.91
3333Gabriela Nikitina Latvia27.92
3447Alana Dillette Bahamas27.98
3532Talita Baqlah Jordan29.16
3636Dorian McMenemy Dominican Republic29.37
3731Dalia Torrez Nicaragua29.67
3837Kiran Khan Pakistan30.50
3916Ann-Marie Hepler Marshall Islands30.69
4023Sylvia Brunlehner Kenya30.81
4124Hazboun Sabine Palestine31.12
4238Reshika Udugampola Sri Lanka31.15
4325Judith Meauri Papua New Guinea31.56
4422Kuheilani Snow French Polynesia32.27
4526Johanna Umurungi Rwanda32.68
4627Ouyngerel Gantumur Mongolia33.48
4728Deandra van der Colff Botswana34.06
4821Mariana Henriques Angola34.59
4914Karin O'Reilly Clashing Antigua and Barbuda36.87
5015Shajan Aminath Maldives38.37
5113Adzo Rebecca Kpossi Togo55.17
–42Hayley Palmer New ZealandDNS

Semifinals

The semifinals were held at 18:19.[2]

Semifinal 1
RankLaneNameNationalityTimeNotes
15Lu Ying China25.87Q
26Mélanie Henique France26.29Q
31Daynara de Paula Brazil26.39
43Christine Magnuson United States26.43
52Triin Aljand Estonia26.48
64Jeanette Ottesen Denmark26.53
77Marleen Veldhuis Netherlands26.61
88Amit Ivry Israel26.79

Semifinal 2
RankLaneNameNationalityTimeNotes
14Therese Alshammar Sweden25.52Q
26Inge Dekker Netherlands25.78Q
33Sarah Sjöström Sweden25.90Q
42Yuka Kato Japan26.07Q, =NR
51Marieke Guehrer Australia26.12Q
65Dana Vollmer United States26.32Q
77Tao Li Singapore26.34
88Vanessa Mohr South Africa26.74

Final

The final was held at 18:02.[3]

RankLaneNameNationalityTimeNotes
5Inge Dekker Netherlands25.71
4Therese Alshammar Sweden25.76
1Mélanie Henique France25.86NR
43Lu Ying China25.87
46Sarah Sjöström Sweden25.87
62Yuka Kato Japan26.02NR
78Dana Vollmer United States26.06
87Marieke Guehrer Australia26.21

References
  1. "2011 World Aquatics Championships – Women's 50 metre butterfly (heats)" (PDF). Omega Timing. Retrieved 2011-07-29.
  2. "2011 World Aquatics Championships – Women's 50 metre butterfly (semifinals)" (PDF). Omega Timing. Retrieved 2011-07-29.
  3. "2011 World Aquatics Championships – Women's 50 metre butterfly (final)" (PDF). Omega Timing. Retrieved 2011-07-30.
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