The Men's 100 metre backstroke competition at the 2019 World Championships was held on 22 and 23 July 2019.ScheduleStart list The defending champion was Xu Jiayu, and he successfully defended his title. Jiayu set a competition record in the semifinals by winning his semifinal in 52.17 seconds.

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

The following new records were set during this competition. Date Event Name Nationality Time Record 22 July Semifinal Xu Jiayu 52.17 CR

Results Heats The heats were held on 22 July at 10:20.Heats results

Due to backstroke wedge malfunctions, Simone Sabbioni and Dylan Carter swam alone in new series, after the end of the normal series, and both achieved classification. The swimmers who had obtained the vacancy, and would be disqualified after these 2 series (Thomas Ceccon and Richárd Bohus), received extra vacancies for the semifinal, that ended up being with 18 swimmers.

Rank Heat Lane Name Nationality Time Notes 1 6 4 Xu Jiayu 52.85 Q 2 5 2 Guilherme Guido 52.95 Q, SA 3 5 4 Mitch Larkin 53.12 Q 4 5 5 Matt Grevers 53.22 Q 5 6 5 Ryosuke Irie 53.38 Q 6 7 3 Evgeny Rylov 53.45 Q 7 6 3 Robert Glință 53.64 Q 8 6 6 Daniel Martin 53.65 Q 9 7 4 Ryan Murphy 53.69 Q 10 5 3 Markus Thormeyer 53.77 Q 11 6 0 Mikita Tsmyh 53.81 Q, NR 12 7 2 Apostolos Christou 53.82 Q 13 8 5 Simone Sabbioni 53.85 Q 14 7 5 Kliment Kolesnikov 53.89 Q 15 5 7 Luke Greenbank 53.95 Q 16 9 8 Dylan Carter 54.03 Q, NR 17 5 6 Thomas Ceccon 54.04 Q 18 6 8 Richárd Bohus 54.07 Q 19 7 1 Christopher Reid 54.12 20 7 0 Tomáš Franta 54.16 NR 21 6 2 Shane Ryan 54.24 22 5 1 Li Guangyuan 54.29 22 7 8 Yakov Toumarkin 54.29 24 7 7 Bradley Woodward 54.41 25 5 0 Lee Ju-ho 54.56 26 6 1 Christian Diener 54.68 27 7 9 Radosław Kawęcki 54.76 28 4 4 Roman Mityukov 54.87 29 6 7 Bernhard Reitshammer 54.94 30 6 9 Bradlee Ashby 55.02 31 4 2 Gabriel Lópes 55.33 32 3 7 Merdan Ataýew 55.34 33 4 1 Metin Aydin 55.40 34 4 3 Tomoe Zenimoto Hvas 55.42 35 4 6 Anton Loncar 55.44 36 4 0 Srihari Nataraj 55.55 37 5 9 Hugo González 55.67 38 3 5 Karl Johann Luht 55.75 39 4 9 Mohamed Samy 55.87 40 3 4 Adil Kaskabay 55.89 41 4 7 Chuang Mu-lun 56.01 42 3 6 Jack Kirby 56.25 43 3 3 Ģirts Feldbergs 56.34 44 4 5 Omar Pinzón 56.37 45 3 1 Jason Arthur 56.86 46 3 8 Kristinn Þórarinsson 56.99 47 4 8 Armando Barrera 57.00 48 3 0 Tern Tern Jian Han 57.34 49 2 4 Filippos Iakovidis 58.26 50 2 6 Gabriel Castillo 58.47 51 2 9 Ali Al-Zamil 58.63 52 3 2 Robinson Molina 59.08 53 2 3 Kasipat Chograthin 59.10 54 2 5 Dimuth Peiris 59.62 55 2 2 Syed Tariq 59.71 56 2 8 Netani Ross 57 2 7 Eisner Barberena 58 1 3 Heriniavo Rasolonjatovo 59 2 1 Ado Gargović 60 1 5 Omar Al-Rowaila 61 2 0 Juhn Tenorio 62 1 4 Juwel Ahmmed 63 1 6 Hedayatullah Noorzad 3 9 Driss Lahrichi

Semifinals The semifinals were held on 22 July at 20:18.Semifinals results

Semifinal 1 Rank Lane Name Nationality Time Notes 1 3 Evgeny Rylov 52.44 Q, NR 2 5 Matt Grevers 52.82 Q 3 4 Guilherme Guido 53.23 Q 4 1 Kliment Kolesnikov 53.44 5 7 Apostolos Christou 53.56 6 2 Markus Thormeyer 53.59 7 6 Daniel Martin 53.71 8 0 Richárd Bohus 53.94 9 8 Dylan Carter 54.08

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Xu Jiayu 52.17 Q, CR 2 2 Ryan Murphy 52.44 Q 3 5 Mitch Larkin 52.91 Q 4 3 Ryosuke Irie 53.13 Q 5 6 Robert Glință 53.40 Q 6 1 Simone Sabbioni 53.71 7 8 Luke Greenbank 53.75 8 0 Thomas Ceccon 54.20 9 7 Mikita Tsmyh 54.24

Final The final was held on 23 July at 21:06.Final results

Rank Lane Name Nationality Time Notes 4 Xu Jiayu 52.43 5 Evgeny Rylov 52.67 2 Mitch Larkin 52.77 4 3 Ryan Murphy 52.78 5 6 Matt Grevers 52.82 6 7 Ryosuke Irie 53.22 7 1 Guilherme Guido 53.26 8 8 Robert Glință 54.22

References