The Men's 200 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 4 August with the heats and the semifinals and 5 August with the final.Start list

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

Results Heats The heats were held at 10:15.Heats results

Rank Heat Lane Name Nationality Time Notes 1 3 4 László Cseh 1:53.71Q2 3 3 Viktor Bromer 1:54.47 Q, NR3 4 4 Daiya Seto 1:55.60Q4 4 3 Jan Świtkowski 1:55.78 Q5 2 5 Leonardo de Deus 1:55.83 Q6 2 3 Tyler Clary 1:55.86 Q7 4 5 Masato Sakai 1:55.97 Q8 4 2 David Morgan 1:56.05 Q9 3 5 Tom Shields 1:56.12 Q10 2 7 Stefanos Dimitriadis 1:56.23 Q, NR11 3 7 Sebastien Rousseau 1:56.29 Q12 4 6 Louis Croenen 1:56.33 Q13 3 6 Joseph Schooling 1:56.85 Q14 2 4 Chad le Clos 1:56.92 Q 2 6 Grant Irvine Q16 4 8 Alexander Kunert 1:57.28 Q17 2 0 Jan Šefl 1:57.63 18 3 2 Francesco Pavone 1:57.69 19 4 7 Evgeny Koptelov 1:58.06 20 2 1 Wang Pudong 1:58.20 21 4 1 Quah Zheng Wen 1:58.32 22 3 0 Alexandru Coci 1:58.4323 2 8 Robert Žbogar 1:58.55 24 4 0 Nils Liess 1:58.76 25 3 1 Hao Yun 1:59.04 26 2 2 Aleksandr Kudashev 1:59.33 27 3 9 Gal Nevo 1:59.45 28 4 9 Marcos Lavado 1:59.85 29 1 5 Esnaider Reales 2:01.13 30 3 8 Nuno Quintanilha 2:01.46 31 1 3 Sajan Prakash 2:01.63 32 1 6 Jessie Lacuna 2:03.84 33 1 4 Bradlee Ashby 2:04.31 34 2 9 Hsu Chi-chieh 2:04.48 35 1 2 Ayman Kelzi 2:04.60 36 1 8 Mihajlo Čeprkalo 2:05.64 37 1 7 Teimuraz Kobakhidze 2:06.19 38 1 1 Nouamane Batahi 2:07.54 39 1 0 Aldo Castillo 2:15.3840 1 9 Noah Al-Khulaifi 2:26.71

Semifinals The semifinals were held on 4 August at 19:04.Semifinals results

Semifinal 1 Rank Lane Name Nationality Time Notes 1 1 Chad le Clos 1:54.50 Q 2 4 Viktor Bromer 1:54.82 Q 3 5 Jan Świtkowski 1:55.42 Q 4 7 Louis Croenen 1:55.49 Q 5 2 Stefanos Dimitriadis 1:56.31 6 3 Tyler Clary 1:56.47 7 8 Alexander Kunert 1:57.29 8 6 David Morgan 1:58.83

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 László Cseh 1:53.53 Q 2 6 Masato Sakai 1:54.75 Q 3 5 Daiya Seto 1:54.95Q 4 2 Tom Shields 1:55.75 Q 5 3 Leonardo de Deus 1:56.02 6 1 Joseph Schooling 1:56.11 7 7 Sebastien Rousseau 1:56.96 8 8 Grant Irvine 1:57.94

Final

The final was held at 17:52.Final results

Rank Lane Name Nationality Time Notes 4 László Cseh 1:53.48 5 Chad le Clos 1:53.68 7 Jan Świtkowski 1:54.10 4 3 Masato Sakai 1:54.24 5 6 Viktor Bromer 1:54.66 6 2 Daiya Seto 1:55.16 7 1 Louis Croenen 1:55.39 NR 8 8 Tom Shields 1:56.17

References