The 5th FINA World Junior Swimming Championships, were held on August 25–30, 2015, in Singapore. The championships were for girls born in the years 1998–2001 and boys born in 1997–2000.^[1]

Medal table

Rank	Nation	Gold	Silver	Bronze	Total
1	Australia	9	7	3	19
2	Russia	7	4	10	21
3	United States	6	13	7	26
4	Turkey	4	0	0	4
5	Canada	3	6	3	12
6	Japan	3	1	2	6
7	China	2	2	1	5
8	Italy	1	2	3	6
9	Brazil	1	2	1	4
10	Great Britain	1	1	5	7
11	Spain	1	1	3	5
12	Lithuania	1	0	1	2
	New Zealand	1	0	1	2
14	Romania	1	0	0	1
	Ukraine	1	0	0	1
16	Sweden	0	2	0	2
17	Hungary	0	1	0	1
18	Croatia	0	0	1	1
	Egypt	0	0	1	1
	Venezuela	0	0	1	1
Totals (20 entries)		42	42	43	127

Medal summary

Boys' events

Event	Gold		Silver		Bronze
Boys' freestyle
50 m	Kyle Chalmers  Australia	22.19	Michael Andrew  United States	22.36	Giovanni Izzo  Italy	22.55
100 m	Kyle Chalmers  Australia	48.47 CR	Maxime Rooney  United States	48.87	Felipe Souza  Brazil	49.30
200 m	Maxime Rooney  United States	1:47.78	Grant Shoults  United States	1:48.42	Ernest Maksumov  Russia	1:48.68
400 m	Grant Shoults  United States	3:48.91	Yang Jintong  China	3:50.05	Qiu Ziao  China	3:50.99
800 m	Yang Jintong  China	7:55.19	César Castro  Spain	7:57.21	Ernest Maksumov  Russia	7:57.40
1500 m	Brandonn Almeida  Brazil	15:15.88	Taylor Abbott  United States	15:16.35	César Castro  Spain	15:17.10
Boys' backstroke
50 m	Michael Andrew  United States	25.13 CR	Javier Acevedo  Canada	25.46	Mohamed Samy  Egypt Robinson Molina  Venezuela	25.54
100 m	Robert Glință  Romania	54.30 CR	Michael Taylor  United States	54.64	Luke Greenbank  Great Britain	54.81
200 m	Hugo González  Spain	1:58.11	Michael Taylor  United States	1:58.39	Austin Katz  United States	1:58.51
Boys' breaststroke
50 m	Andrius Šidlauskas  Lithuania	27.99	Nicolò Martinenghi  Italy	28.03	Nikola Obrovac  Croatia	28.11
100 m	Anton Chupkov  Russia	1:00.19	Reece Whitley  United States	1:01.00	Andrius Šidlauskas  Lithuania	1:01.26
200 m	Anton Chupkov  Russia	2:10.19 CR	Matthew Wilson  Australia	2:11.23	Ippei Miyamoto  Japan	2:11.59
Boys' butterfly
50 m	Andrii Khloptsov  Ukraine	23.64	Michael Andrew  United States	23.84	Daniil Pakhomov  Russia	23.89
100 m	Daniil Pakhomov  Russia	52.28 CR	Vinicius Lanza  Brazil	52.88	Daniil Antipov  Russia	52.99
200 m	Nao Horomura  Japan	1:56.80	Daniil Pakhomov  Russia	1:56.93	Mike Thomas  United States	1:57.61
Boys' individual medley
200 m	Clyde Lewis  Australia	2:00.15	Dániel Sós  Hungary	2:01.78	Sean Grieshop  United States	2:01.83
400 m	Sean Grieshop  United States	4:15.67	Brandonn Almeida  Brazil	4:17.06	Hugo González  Spain	4:18.14
Boys' relays
4 × 100 m freestyle	Australia Vincent Dai (50.03) Kyle Chalmers (48.41) Brayden McCarthy (49.66) Jack Cartwright (49.29)	3:17.39	United States Ryan Hoffer (49.97) Daniel Krueger (49.50) Michael Jensen (50.51) Maxime Rooney (48.44)	3:18.42	Italy Alessandro Bori (50.11) Giovanni Izzo (49.54) Ivano Vendrame (49.87) Alessandro Miressi (49.06)	3:18.58
4 × 200 m freestyle	United States Grant Shoults (1:48.10) Maxime Rooney (1:46.55) Sean Grieshop (1:49.82) Grant House (1:49.29)	7:13.76 WJ, CR	Australia Damian Fyfe (1:50.03) Clyde Lewis (1:48.34) Kyle Chalmers (1:50.13) Joshua Parrish (1:49.26)	7:17.76	Russia Ernest Maksumov (1:48.99) Elisei Stepanov (1:48.81) Daniil Antipov (1:51.10) Aleksandr Prokofev (1:50.55)	7:19.45
4 × 100 m medley	Russia Roman Larin (55.50) Anton Chupkov (59.84) Daniil Pakhomov (51.74) Vladislav Kozlov (49.36)	3:36.44 WJ, CR	United States Michael Taylor (55.39) Reece Whitley (1:00.82) Michael Andrew (52.75) Maxime Rooney (48.55) Ryan Hoffer Daniel Krueger	3:37.51	Australia Clyde Lewis (55.85) Matthew Wilson (1:01.81) Brayden McCarthy (54.17) Kyle Chalmers (48.38)	3:40.21

Girls' events

Event	Gold		Silver		Bronze
Girls' freestyle
50 m	Mariia Kameneva  Russia	25.12	Rikako Ikee  Japan	25.19	Shayna Jack  Australia	25.24
100 m	Taylor Ruck  Canada	53.92 CR	Penny Oleksiak  Canada	54.65	Arina Openysheva  Russia	54.78
200 m	Taylor Ruck  Canada	1:57.87 CR	Arina Openysheva  Russia	1:58.28	Hannah Cox  United States	1:59.28
400 m	Tamsin Cook  Australia	4:06.17 CR	Sierra Schmidt  United States	4:07.47	Linda Caponi  Italy	4:07.73
800 m	Sierra Schmidt  United States	8:27.55 CR	Simona Quadarella  Italy	8:29.79	Holly Hibbott  Great Britain	8:31.56
1500 m	Simona Quadarella  Italy	16:05.61 CR	Sierra Schmidt  United States	16:12.84	Gabrielle Kopenski  United States	16:21.15
Girls' backstroke
50 m	Gabrielle Fa'amausili  New Zealand	27.81 WJ, CR, NR	Minna Atherton  Australia	27.83	Danielle Hanus  Canada	28.26
100 m	Minna Atherton  Australia	59.58 WJ, CR	Claire Adams  United States	1:00.19	Bobbi Gichard  New Zealand	1:00.42
200 m	Minna Atherton  Australia	2:09.11 CR	Liu Yaxin  China	2:09.44	Taylor Ruck  Canada	2:09.49
Girls' breaststroke
50 m	Viktoriya Zeynep Gunes  Turkey	30.78	Sophie Hansson  Sweden	31.18	Katie Matts  Great Britain	31.66
100 m	Viktoriya Zeynep Gunes  Turkey	1:06.77 NR	Sophie Hansson  Sweden	1:07.77	Katie Matts  Great Britain	1:07.96
200 m	Viktoriya Zeynep Gunes  Turkey	2:19.64 WJ, CR, NR	Maria Astashkina  Russia	2:24.57	Sofiya Andreeva  Russia	2:24.88
Girls' butterfly
50 m	Rikako Ikee  Japan	26.28 CR	Penny Oleksiak  Canada	26.45	Mariia Kameneva  Russia	26.47
100 m	Rikako Ikee  Japan	58.28 CR	Penny Oleksiak  Canada	58.50	Gemma Cooney  Australia	58.98
200 m	Wang Siqi  China	2:08.24	Tamsin Cook  Australia	2:08.86	Hannah Kukurugya  United States	2:10.08
Girls' individual medley
200 m	Viktoriya Zeynep Gunes  Turkey	2:11.03 WJ, CR, NR	Mary-Sophie Harvey  Canada	2:12.37	Georgia Coates  Great Britain	2:12.74
400 m	Rosie Rudin  Great Britain	4:39.01 WJ, CR	Georgia Coates  Great Britain	4:39.94	Africa Zamorano  Spain	4:40.15
Girls' relays
4 × 100 m freestyle	Australia Shayna Jack (54.91) Minna Atherton (55.93) Gemma Cooney (54.65) Lucy Elizabeth McJannett (54.38)	3:39.87 WJ, CR	Russia Arina Openysheva (55.23) Maria Kameneva (54.76) Daria Mullakaeva (55.42) Daria S. Ustinova (54.50)	3:39.91	Canada Penny Oleksiak (55.35) Rebecca Smith (55.46) Mary-Sophie Harvey (55.71) Taylor Ruck (53.74)	3:40.26
4 × 200 m freestyle	Australia Tamsin Cook (1:58.16) CR Lucy Elizabeth McJannett (1:59.68) Shayna Jack (1:59.76) Gemma Cooney (1:59.08)	7:56.68 WJ, CR	Canada Penny Oleksiak (1:59.92) Rebecca Smith (1:59.41) Mary-Sophie Harvey (2:01.00) Taylor Ruck (1:56.71)	7:57.04	Russia Arina Openysheva (1:58.90) Daria Mullakaeva (1:59.99) Valeriya Salamatina (1:59.11) Anastasiia Kirpichnikova (1:59.58)	7:57.58
4 × 100 m medley	Russia Irina Prikhodko (1:00.77) Maria Astashkina (1:07.65) Polina Egorova (58.36) Mariia Kameneva (54.27)	4:01.05 WJ, CR	Australia Minna Atherton (59.61) Ella Bond (1:09.54) Gemma Cooney (58.77) Shayna Jack (54.50)	4:02.42	Japan Natsumi Sakai (1:01.91) Runa Imai (1:08.03) Rikako Ikee (58.07) Sachi Mochida (55.09)	4:03.10

Mixed events

Event	Gold		Silver		Bronze
4×100 m freestyle relay	Canada Javier Acevedo (50.42) Markus Thormeyer (48.77) Penny Oleksiak (54.83) Taylor Ruck (53.69)	3:27.71 WJ, CR	Australia Jack Cartwright (50.34) Kyle Chalmers (48.89) Lucy Elizabeth McJannett (54.92) Shayna Jack (54.44)	3:28.59	Russia Vladislav Kozlov (49.74) Igor Shadrin (49.58) Mariia Kameneva (54.77) Arina Openysheva (54.70)	3:28.79
4×100 m medley relay	Russia Irina Prikhodko (1:00.53) Anton Chupkov (59.74) Daniil Pakhomov (51.33) Arina Openysheva (54.25)	3:45.85 WJ, CR	Australia Minna Atherton (59.87) Matthew Wilson (1:01.16) Lucia Lassman (59.56) Kyle Chalmers (47.68)	3:48.27	United States Michael Taylor (54.72) Michael Andrew (1:01.07) Cassidy Bayer (59.43) Stanzi Moseley (55.02)	3:50.24