The Men's 50 metre backstroke competition at the 2017 World Championships was held on 29 and 30 July 2017.Schedule Start list
Records Prior to the competition, the existing world and championship records were as follows.
Results Heats The heats were held on 29 July at 09:51.Heats results
Rank Heat Lane Name Nationality Time Notes 1 6 5 24.54 Q 2 5 4 24.58 Q3 6 4 Xu Jiayu 24.78 Q 7 5 Q 5 5 3 24.80 Q6 7 7 24.86 Q 7 4 Q 8 5 5 24.88 Q 9 5 6 24.93 Q 10 6 6 24.94 Q, NR 11 5 1 24.99 Q12 5 0 Won Young-jun 25.10 Q 7 3 Q 14 6 3 25.13 Q 15 4 3 25.16 Q 16 6 1 I Gede Siman Sudartawa 25.17 Q 17 6 2 25.23 18 6 8 25.24 7 6 20 7 2 25.27 21 7 8 25.31 22 5 8 25.44 23 5 2 25.48 24 6 7 25.52 25 4 4 25.55 7 1 27 4 6 25.56 5 7 6 0 30 7 9 Quah Zheng Wen 25.58 31 7 0 25.63 32 6 9 Lê Nguyễn Paul 25.64 33 4 8 25.71 34 4 5 25.78 35 5 9 25.90 36 4 2 25.94 37 4 7 26.02 38 4 9 26.05 39 3 4 26.27 40 3 3 26.42 41 3 5 26.57 42 3 6 26.60 43 3 7 27.17 44 3 2 27.67 45 3 1 27.84 46 2 7 28.50 47 1 4 28.97 48 3 8 29.95 49 3 0 30.69 50 1 3 Thol Thoeun 30.72 51 2 6 Santisouk Inthavong 31.96 52 2 1 33.14 53 2 8 33.89 54 2 5 34.07 55 3 9 34.47 1 5 2 4 2 2 2 3 4 0
Semifinals The semifinals were held on 29 July at 18:45.Semifinals results
Semifinal 1 Rank Lane Name Nationality Time Notes 1 4 Camille Lacourt 24.30 Q 2 5 Matt Grevers 24.65 Q 3 2 Pavel Sankovich 24.74 Q, NR 4 3 Jonatan Kopelev 24.84 Q 5 6 Grigoriy Tarasevich 24.86 6 1 Guilherme Guido 24.91 7 7 Won Young-jun 25.02 NR 8 8 I Gede Siman Sudartawa 25.04 NR
Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Junya Koga 24.44 Q 2 5 Xu Jiayu 24.67 Q 3 6 Justin Ress 24.70 Q 4 3 Jérémy Stravius 24.81 Q 5 2 Richárd Bohus 24.88 5 7 Apostolos Christou 24.88 7 1 Tomasz Polewka 24.95 8 8 Javier Acevedo 25.13 =NR
Final The final was held on 30 July at 18:05.Final results
Rank Lane Name Nationality Time Notes 4 24.35 5 24.51 3 24.56 4 1 24.61 5 6 Xu Jiayu 24.74 6 2 24.77 7 7 24.83 8 8 24.85
References