Swimming at the 2018 Summer Youth Olympics – Boys' 4 × 100 metre medley relay

Boys' 4 × 100 metre medley relay at the 2018 Summer Youth Olympics
Venue	Natatorium
Dates	10 October
Competitors	36 from 9 nations
Winning time	3:35.17
Medalists
Kliment Kolesnikov Vladislav Gerasimenko Andrei Minakov Daniil Markov    Russia   Wang Guanbin Sun Jiajun Shen Jiahao Hong Jinquan    China   Jakub Kraska Jan Kałusowski Jakub Majerski Bartłomiej Koziejko    Poland

The boys' 4 × 100 metre medley relay event at the 2018 Summer Youth Olympics took place on 10 October at the Natatorium in Buenos Aires, Argentina.

Results

Heats

The heats were started at 11:01.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	7	Kliment Kolesnikov (53.62) Vladislav Gerasimenko (1:02.27) Andrei Minakov (55.58) Daniil Markov (52.03)	Russia	3:43.50	Q
2	1	3	Jakub Kraska (56.62) Jan Kałusowski (1:03.71) Jakub Majerski (52.64) Bartłomiej Koziejko (52.34)	Poland	3:45.31	Q
3	1	6	Keisuke Yoshida (59.16) Yu Hanaguruma (1:01.66) Shinnosuke Ishikawa (52.41) Taku Taniguchi (52.11)	Japan	3:45.34	Q
4	1	2	Gábor Zombori (56.76) Sebestyén Böhm (1:03.56) Kristóf Milák (52.58) Ákos Kalmár (52.51)	Hungary	3:45.41	Q
5	2	4	Wang Guanbin (56.93) Sun Jiajun (1:02.65) Shen Jiahao (53.34) Hong Jinquan (52.82)	China	3:45.74	Q
6	1	4	Sebastian Somerset (57.24) Alexander Milanovich (1:03.51) Joshua Liendo (53.58) Finlay Knox (51.90)	Canada	3:46.23	Q
7	1	5	Johannes Calloni (57.13) Thomas Ceccon (1:05.77) Federico Burdisso (52.58) Marco De Tullio (51.83)	Italy	3:47.31	Q
8	2	5	Hendrik Duvenhage (58.80) Michael Houlie (1:00.78) Ethan du Preez (56.97) Gabriel Nortje (51.23)	South Africa	3:47.78	Q
9	2	6	Ethan Harder (57.01) Ethan Dang (1:03.47) Jake Johnson (54.97) Will Barao (52.46)	United States	3:47.91
	2	2		Australia	DNS
	2	3		Brazil	DNS

Final

The final was held at 19:32.

Rank	Lane	Name	Nationality	Time	Notes
	4	Kliment Kolesnikov (53.34) Vladislav Gerasimenko (1:01.50) Andrei Minakov (51.14) Daniil Markov (49.19)	Russia	3:35.17	WJ
	2	Wang Guanbin (55.82) Sun Jiajun (1:00.12) Shen Jiahao (52.65) Hong Jinquan (50.06)	China	3:38.65
	5	Jakub Kraska (55.79) Jan Kałusowski (1:01.92) Jakub Majerski (52.00) Bartłomiej Koziejko (51.80)	Poland	3:41.51
4	6	Gábor Zombori (56.40) Sebestyén Böhm (1:02.75) Kristóf Milák (51.87) Ákos Kalmár (52.58)	Hungary	3:43.60
5	1	Johannes Calloni (56.83) Thomas Ceccon (1:03.42) Federico Burdisso (52.83) Marco De Tullio (52.15)	Italy	3:45.23
6	7	Sebastian Somerset (57.10) Alexander Milanovich (1:03.29) Joshua Liendo (53.89) Finlay Knox ( 51.17)	Canada	3:45.45
7	8	Hendrik Duvenhage (57.98) Michael Houlie (1:01.08) Ethan du Preez (55.95) Gabriel Nortje (50.89)	South Africa	3:45.90
	3	Keisuke Yoshida (1:00.11) Yu Hanaguruma (1:02.39) Shinnosuke Ishikawa Taku Taniguchi	Japan	DSQ