The men's 50 metre backstroke 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 record Championship recordLiam Tancock 24.04 RomeAugust 2, 2009

Results

Heats 39 swimmers participated in 6 heats.

Rank Heat Lane Name Nationality Time Notes 1 4 5 Gerhard Zandberg 24.72 Q 2 6 4 Camille Lacourt 25.03 Q 3 6 2 Helge Meeuw 25.04 Q 4 4 7 Flori Lang 25.12 Q 5 4 2 Aschwin Wildeboer 25.14 Q 6 6 5 Junya Koga 25.17 Q 7 4 3 Guy Barnea 25.18 Q 8 4 4 Nick Thoman 25.22 Q 8 5 5 David Plummer 25.22 Q 10 5 4 Liam Tancock 25.26 Q 10 5 1 Aristeidis Grigoriadis 25.26 Q 12 6 1 Mirco di Tora 25.28 Q 13 5 6 Hayden Stoeckel 25.29 Q 14 6 3 Ashley Delaney 25.33 Q 14 6 6 Bastiaan Lijesen 25.33 Q 16 5 8 Charles Francis 25.43 Q 17 5 3 Sun Xiaolei 25.44 18 5 7 Cheng Feiyi 25.52 19 4 1 Guilherme Guido 25.58 20 5 2 Vitaly Borisov 25.60 21 4 8 Pavel Sankovich 25.80 22 6 7 Daniel Bell 25.91 23 3 3 Roko Šimunić 26.07 24 3 4 Pedro Medel 26.08 25 6 8 Federico Grabich 26.13 26 3 6 Jean-François Schneiders 26.70 27 3 7 Oliver Elliot Banados 26.72 NR 28 3 1 Zane Jordan 27.12 29 3 2 Boris Kirillov 27.25 30 2 4 Emile Bakale 28.34 31 3 8 Antonio Tong 28.46 32 2 5 Alban Laye-Joseph Diop 29.02 33 1 3 Kerson Hadley 30.46 34 2 2 Ahmed Atari 32.37 35 2 7 Husam Ahmed 33.44 36 2 1 Mulualem Girma 33.85 37 1 4 Phathana Inthavong 35.30 38 2 8 Mohamed Eltayeb 35.98 39 1 5 Thierry Videgni 42.95 – 2 3 Adbulrahman Alishaq DNS – 2 6 Folarin Ogunsola DNS – 3 5 Omar Pinzón DNS – 4 6 Ryosuke Irie DNS

Semifinals The semifinals were held at 19:14.

Semifinal 1 Rank Lane Name Nationality Time Notes 1 2 Liam Tancock 24.62 Q 2 4 Camille Lacourt 24.85 Q 3 6 Nick Thoman 25.03 Q 4 5 Flori Lang 25.07 Q 5 3 Junya Koga 25.14 6 7 Mirco di Tora 25.40 7 1 Ashley Delaney 25.43 8 8 Charles Francis 25.56

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Gerhard Zandberg 24.91 Q 2 3 Aschwin Wildeboer 24.99 Q 3 2 David Plummer 25.03 Q 4 6 Guy Barnea 25.09 Q 5 1 Hayden Stoeckel 25.20 6 5 Helge Meeuw 25.20 7 7 Aristeidis Grigoriadis 25.46 8 8 Bastiaan Lijesen 25.51

Final The final was held at 18:35.

Rank Lane Name Nationality Time Notes 4 Liam Tancock 24.50 5 Camille Lacourt 24.57 3 Gerhard Zandberg 24.66 4 6 Aschwin Wildeboer 24.82 5 7 David Plummer 24.92 6 2 Nick Thoman 25.01 6 8 Guy Barnea 25.01 8 1 Flori Lang 25.15

References

External links 2011 World Aquatics Championships: Men's 50 metre backstroke start list, from OmegaTiming.com; retrieved 2011-07-24.