The women's 50-metre butterfly event at the 10th FINA World Swimming Championships (25m) took place 16–17 December 2010 in Dubai, United Arab Emirates. The heats and semifinals were swum 16 December; the final on 17 December.

75 swimmers swam the race.

Records Prior to the competition, the existing world and championship records were as follows. Name Nation Time Location DateWorld recordTherese Alshammar 24.38 Singapore 22 November 2009 Championship record Felicity Galvez 25.32 Manchester 11 April 2008

The following records were established during the competition: DateRoundNameNationTimeWRCR 16 December 2010 Heats Therese Alshammar 25.23 CR 16 December 2010 Semifinals Felicity Galvez 25.20 CR 16 December 2010 Semifinals Therese Alshammar 25.19 CR 17 December 2010 Final Therese Alshammar 24.87 CR

Results

Preliminary heats Rank Heat Lane Name Time Notes 1 9 5 25.23 Q, CR 2 10 3 25.41 Q 3 10 4 25.67 Q 4 8 5 25.69 Q 5 10 2 25.76 Q 6 10 5 25.77 Q 7 8 3 25.83 Q 8 9 4 25.97 Q 9 9 3 26.17 Q 10 1 5 26.22 Q 11 8 6 26.26 Q 12 10 6 26.29 Q 13 10 1 26.33 Q 14 8 4 26.36 Q 15 10 7 26.39 Q 16 8 1 26.48 Q 17 10 8 26.54 18 2 8 26.65 19 9 6 26.69 20 9 7 26.73 21 6 7 26.75 22 8 8 26.78 23 8 2 26.81 24 9 2 26.87 25 9 8 26.99 26 7 5 27.01 27 9 1 27.02 28 7 3 27.07 29 7 2 27.09 30 7 4 27.12 31 8 7 27.17 32 7 7 27.36 33 7 1 27.48 34 7 6 27.72 34 7 8 27.72 36 6 4 28.02 37 6 5 28.15 38 6 2 28.32 39 6 3 28.37 40 5 6 28.95 41 6 6 28.96 42 5 4 29.20 43 4 3 29.30 NR 44 5 3 29.66 45 5 5 29.67 46 5 1 29.77 47 5 7 29.93 48 4 4 29.99 49 5 8 30.04 50 4 8 30.16 51 3 7 30.28 52 5 2 30.37 53 4 7 30.65 54 4 2 30.77 55 6 8 30.85 56 4 5 30.96 57 1 3 30.97 58 3 6 31.13 59 3 4 31.33 59 3 5 31.33 61 4 1 31.55 62 4 6 31.78 63 3 3 31.99 64 6 1 32.31 65 3 1 32.97 66 2 7 33.17 67 2 3 33.48 68 2 1 33.52 69 3 2 33.53 70 2 4 33.80 71 3 8 35.29 72 2 5 36.04 73 1 4 36.73 74 2 6 38.79 75 2 2 39.14 Schreuder scratched the semifinals; therefore 17th-place finisher Schweiger advanced to the semifinals.

Semifinals Semifinal 1 Rank Lane Name Time Notes 1 4 25.20 Q, CR 2 3 25.53 Q 3 5 25.54 Q 4 2 25.76 Q 5 6 26.05 6 1 26.36 7 7 26.46 8 8 26.58

Semifinal 2 Rank Lane Name Time Notes 1 4 25.19 Q, CR 2 2 25.41 Q 3 5 25.45 Q 4 3 25.65 Q 5 6 25.84 6 7 25.91 7 1 26.21 8 8 26.49

Final Rank Lane Name Time Notes 4 24.87 CR 5 24.90 2 25.24 4 3 25.34 5 6 25.48 6 7 25.61 7 1 25.74 8 8 25.96

References