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World Aquatics Junior Swimming Championships 2023
World Aquatics Junior Swimming Championships 2023
Host city	Netanya, Israel
Date(s)	4–9 September
Venue(s)	Wingate Institute
Nations participating	93
Athletes participating	648
	← 2022 Lima 2025 Otopeni →

The 9th World Aquatics Junior Swimming Championships were held in Netanya, Israel, at the Wingate Institute from 4 to 9 September 2023.^[1]^[2] These championships were the first to be held under the new World Aquatics name and branding. The age groups for these championships were altered slightly from the previous championships in 2022, with the equalisation of age groups to 14-18 years for both genders (athletes age as of 31 December 2023).^[3] In total 648 athletes from 93 member federations competed at the championships.^[4] Due to the status of their member federation athletes from the Philippines were required to compete as 'Neutral Independent Athletes'.^[5] Three large member federations opted not to compete at these championships, being Great Britain, France, and Hungary.

The United States of America topped the medal tally and were awarded the World Aquatics Team of the Championships award.^[6] Ukraine's Oleksandr Zheltiakov was awarded the World Aquatics Male Swimmer of the Championships award and Bosnia and Herzegovina’s Lana Pudar was awarded the World Aquatics Female Swimmer of the Championships award.^[7]^[8]

Medal summary

Medal table

* Host nation (Israel)


Rank	Medal	Gold	Silver	Bronze	Total
1	United States	15	11	7	33
2	Australia	9	7	8	24
3	Canada	2	3	8	13
4	Bosnia and Herzegovina	2	1	0	3
	Denmark	2	1	0	3
	Ukraine	2	1	0	3
7	Turkey	2	0	0	2
8	China	1	4	4	9
9	Japan	1	3	3	7
10	Bulgaria	1	2	0	3
11	Estonia	1	1	1	3
12	Czech Republic	1	1	0	2
13	Hong Kong	1	0	0	1
	Indonesia	1	0	0	1
	Trinidad and Tobago	1	0	0	1
16	Italy	0	4	8	12
17	Austria	0	1	1	2
18	New Zealand	0	1	0	1
18	South Korea	0	1	0	1
20	Argentina	0	0	2	2
21	Spain	0	0	1	1
Totals (21 entries)		42	42	43	127

Source: Medal table

Men

Event	Gold		Silver		Bronze
50 m freestyle	Nikoli Blackman Trinidad and Tobago	22.35	Flynn Southam Australia	22.43	Lorenzo Ballarati Italy	22.47
100 m freestyle	Maximus Williamson United States	48.45	Lorenzo Ballarati Italy	49.05	Edward Sommerville Australia	49.16
200 m freestyle	Flynn Southam Australia	1:46.57	Alessandro Ragaini Italy	1:47.28	Anders McAlpine Australia	1:47.94
400 m freestyle	Petar Mitsin Bulgaria	3:46.49	Alessandro Ragaini Italy	3:46.66	Filippo Bertoni Italy	3:48.73
800 m freestyle	Kuzey Tunçelli Turkey	7:48.75	Petar Mitsin Bulgaria	7:49.36	Zhang Zhanshuo China	7:50.03
1500 m freestyle	Kuzey Tunçelli Turkey	14:59.80	Kim Jun-woo South Korea	15:01.94	Zhang Zhanshuo China	15:11.94

50 m backstroke	Miroslav Knedla Czech Republic	24.80	Oleksandr Zheltyakov Ukraine	24.91 NR	Ulises Saravia Argentina	25.02
100 m backstroke	Oleksandr Zheltyakov Ukraine	53.73 NR	Miroslav Knedla Czech Republic	54.01	Christian Bacico Italy	54.08
200 m backstroke	Oleksandr Zheltyakov Ukraine	1:56.13	Daniel Diehl United States	1:58.93	Christian Bacico Italy	1:59.33

50 m breaststroke	Felix Viktor Iberle Indonesia	27.39	Jonas Gaur Denmark	27.55	Watson Nguyen United States	27.85
100 m breaststroke	Joshua Chen United States	1:00.70	Yamato Okadome Japan	1:01.20	Watson Nguyen United States	1:01.22
200 m breaststroke	Adam Mak Sai-ting Hong Kong	2:11.84	Jordan Willis United States	2:12.07	Riku Yamaguchi Japan	2:12.13

50 m butterfly	Casper Puggaard Denmark	23.50	Lukas Edl Austria	23.89	Thomas Pattison Australia	23.95
100 m butterfly	Casper Puggaard Denmark	52.30	Wang Xizhe China	52.65	Lukas Edl Austria	52.68
200 m butterfly	Wang Xizhe China	1:56.22	Petar Mitsin Bulgaria	1:56.73	Alessandro Ragaini Italy	1:57.79

200 m individual medley	Maximus Williamson United States	1:57.29 CR	Daniel Diehl United States	1:58.62	Lorne Wigginton Canada	1:59.44
400 m individual medley	Tomoyuki Matsushita Japan	4:10.97 CR	Zhang Zhanshuo China	4:12.44	Lorne Wigginton Canada	4:12.81

4×100 m freestyle relay	United States (USA) Daniel Diehl (49.93) Maximus Williamson (47.78) Hudson Williams(49.14) Jason Zhao (48.64) Jacob Wimberly^[a] Ethan Harrington^[a]	3:15.49 WJ	Australia (AUS) Edward Sommerville (49.24) Marcus da Silva (49.53) Anders McAlpine (49.45) Flynn Southam (48.47) Tane Bidois^[a] Thomas Pattison^[a]	3:16.69	Canada (CAN) Filip Senc-Samardzic (49.80) Paul Dardis (49.15) Antoine Sauve (48.73) Aiden Norman (49.66)	3:17.34
4×200 m freestyle relay	United States (USA) Maximus Williamson (1:47.11) Cooper Lucas (1:47.75) Jason Zhao (1:47.56) Daniel Diehl (1:46.61) Norvin Clontz^[a] Ryan Erisman^[a] Nathan Szobota^[a] Jacob Wimberly^[a]	7:09.03	China (CHN) Wang Xizhe (1:48.05) Ji Yicun (1:48.76) Liu Wudi (1:48.50) Zhang Zhanshuo (1:47.06)	7:13.37	Australia (AUS) Anders McAlpine (1:49.17) Edward Sommerville (1:47.91) Marcus da Silva (1:49.68) Flynn Southam (1:49.26) Karl Albertyn^[a] Ike Martinez^[a]	7:16.02
4×100 m medley relay	United States (USA) Daniel Diehl (54.37) Joshua Chen (1:00.25) Jacob Wimberly (53.79) Maximus Williamson (47.57) Caleb Maldari^[a] Watson Nguyen^[a] Jason Zhao^[a] Hudson Williams^[a]	3:35.98	Italy (ITA) Christian Bacico Christian Mantegazza Daniele Momoni Davide Passafaro Daniele Del Signore^[a] Carlos D'Ambrosio^[a] Mirko Chiaversoli^[a]	3:38.00	China (CHN) Jiang Chenglin Zhang Zhanshuo Wang Xizhe Ji Yicun Liu Wudi^[a]	3:39.81

^a Swimmers who participated in the heats only and received medals.

Women

Event	Gold		Silver		Bronze
50 m freestyle	Olivia Wunsch Australia	24.59 =CR	Annam Olasewere United States	24.95	Hannah Casey Australia	25.07
100 m freestyle	Olivia Wunsch Australia	53.71	Milla Jansen Australia	54.08	Anna Moesch United States	54.69
200 m freestyle	Addison Sauickie United States	1:58.09	Julie Brousseau Canada	1:58.10	Leah Hayes United States	1:58.19
400 m freestyle	Jamie Perkins Australia	4:05.72	Madi Mintenko United States	4:08.06	Addison Sauickie United States	4:08.94
800 m freestyle	Kayla Han United States	8:29.66	Mao Yihan China	8:33.66	Agostina Hein Argentina	8:33.90
1500 m freestyle	Kate Hurst United States	16:09.37	Ruka Takezawa Japan	16:18.68	Mao Yihan China	16:18.76

50 m backstroke	Iona Anderson Australia	28.01	Erika Pelaez United States	28.07	Jaclyn Barclay Australia	28.14
100 m backstroke	Jaclyn Barclay Australia	59.47	Iona Anderson Australia	59.88	Erika Pelaez United States	59.94
200 m backstroke	Teagan O'Dell United States	2:08.09	Jojo Ramey United States	2:10.18	Bella Grant Australia	2:11.24

50 m breaststroke	Eneli Jefimova Estonia	30.42	Monique Wieruszowski New Zealand	30.68	Piper Enge United States	30.74
100 m breaststroke	Alexanne Lepage Canada	1:06.58	Eneli Jefimova Estonia	1:06.84	Jimena Ruiz Spain	1:07.25
200 m breaststroke	Alexanne Lepage Canada	2:24.70	Mina Nakazawa Japan	2:25.57	Eneli Jefimova Estonia	2:26.29

50 m butterfly	Leah Shackley United States	26.20	Lana Pudar Bosnia and Herzegovina	26.26	Olivia Wunsch Australia Mizuki Hirai Japan	26.53
100 m butterfly	Lana Pudar Bosnia and Herzegovina	57.77	Leah Shackley United States	58.29	Mizuki Hirai Japan	58.35
200 m butterfly	Lana Pudar Bosnia and Herzegovina	2:07.20 CR	Bella Grant Australia	2:08.97	Paola Borrelli Italy	2:10.89

200 m individual medley	Leah Hayes United States	2:10.24 CR	Haley McDonald United States	2:13.18	Julie Brousseau Canada	2:13.74
400 m individual medley	Leah Hayes United States	4:36.84 CR	Ella Jansen Canada	4:37.35	Julie Brousseau Canada	4:38.45

4×100 m freestyle relay	Australia (AUS) Milla Jansen Hannah Casey Jaimie de Lutiis Olivia Wunsch Jamie Perkins^[a] Amelia Weber^[a]	3:36.52	United States (USA) Leah Hayes Anna Moesch Addison Sauickie Erika Pelaez Madi Mintenko^[a] Teagan O'Dell^[a] Bailey Hartman^[a]	3:37.71	Canada (CAN) Julie Brousseau Ella Jansen Mia West Sienna Angove Delia Lloyd^[a] Ella Cosgrove^[a]	3:40.40
4×200 m freestyle relay	United States (USA) Addison Sauickie Leah Hayes Lynsey Bowen Madi Mintenko Anna Moesch^[a] Bailey Hartman^[a]	7:52.48	Australia (AUS) Jamie Perkins Hannah Casey Jaimie de Lutiis Amelia Weber Bella Grant^[a]	7:52.68	Canada (CAN) Julie Brousseau Sienna Angove Ella Cosgrove Ella Jansen Mia West^[a] Julia Strojnowska^[a]	7:53.09
4×100 m medley relay	Australia (AUS) Jaclyn Barclay Hayley Mackinder Isabella Boyd Olivia Wunsch Iona Anderson^[a] Isabella Johnson^[a] Bella Grant^[a] Milla Jansen^[a]	4:00.86	Canada (CAN) Delia Lloyd Alexanne Lepage Ella Jansen Sienna Angove Jordan Greber^[a] Halle West^[a] Victoria Raymond^[a] Julie Brousseau^[a]	4:01.96	Italy (ITA) Giada Gorlier Francesca Zucca Paola Borrelli Sara Curtis Irene Mati^[a] Marina Cacciapuoti^[a]	4:03.34

^a Swimmers who participated in the heats only and received medals.

Mixed

Event	Gold		Silver		Bronze
4×100 m freestyle relay	Australia (AUS) Flynn Southam Edward Sommerville Olivia Wunsch Milla Jansen Marcus da Silva^[a] Anders McAlpine^[a] Jaimie de Lutiis^[a] Hannah Casey^[a]	3:24.29 WJ	United States (USA) Maximus Williamson Jason Zhao Erika Pelaez Anna Moesch Jacob Wimberly^[a] Hudson Williams^[a] Caroline Larsen^[a] Madi Mintenko^[a]	3:25.59	Canada (CAN) Paul Dardis Antoine Sauve Julie Brousseau Ella Jansen Aiden Norman^[a] Sienna Angove^[a] Mia West^[a]	3:29.14
4×100 m medley relay	United States (USA) Teagan O'Dell Watson Nguyen Leah Shackley Maximus Williamson Caleb Maldari^[a] Joshua Chen^[a] Haley McDonald^[a]	3:45.62	Australia (AUS) Jaclyn Barclay Gideon Burnes Isabella Boyd Edward Sommerville Iona Anderson^[a] Joshua Kerr^[a] Enoch Robb^[a] Jaimie de Lutiis^[a]	3:49.18	Italy (ITA) Christian Bacico Christian Mantegazza Paola Borrelli Matilde Biagiotti Daniele del Signore^[a] Francesca Zucca^[a] Lorenzo Ballarati^[a] Cristiana Stevanato^[a]	3:50.09

^a Swimmers who participated in the heats only and received medals.

Records

The following junior world and championship records were set during the competition.

Junior world records

Date	Round	Event	Time	Name	Nation
September 4	Final	Men's 4 × 100 metre freestyle relay	3:15.49	Daniel Diehl (49.93) Maximus Williamson (47.78) Hudson Williams (49.14) Jason Zhao (48.64)	United States
September 6	Final	Mixed 4 × 100 metre freestyle relay	3:24.29	Flynn Southam (48.58) Edward Sommerville (48.64) Olivia Wunsch (53.62) Milla Jansen (53.55)	Australia

Championship records

Date	Round	Event	Time	Name	Nation
September 4	Final	Women's 400 metre individual medley	4:36.84	Leah Hayes	United States
September 5	Heat 4	Men's 200 metre individual medley	1:58.42	Tomoyuki Matsushita	Japan
September 5	Final	Women's 200 metre butterfly	2:07.20	Lana Pudar	Bosnia and Herzegovina
September 5	Final	Men's 200 metre individual medley	1:57.29	Maximus Williamson	United States
September 6	Semifinal 2	Women's 100 metre breaststroke	1:06.23	Eneli Jefimova	Estonia
September 7	Final	Women's 200 metre individual medley	2:10.24	Leah Hayes	United States
September 8	Heat 7	Men's 50 metre breaststroke	26.98	Felix Viktor Iberle	Indonesia
September 8	Final	Men's 400 metre individual medley	4:10.97	Tomoyuki Matsushita	Japan
September 9	Final	Women's 50 metre freestyle	=24.59	Olivia Wunsch	Australia

Note: The first version of the results erroneously recognized 3 performances as records. The Women's 50m Breaststroke results recorded championship record performances from Alexanne Lepage and Eneli Jefimova in the heats. Likewise, the performance from Kuzey Tuncelli in the final of the Men's 800m Freestyle was recognized as a championship record. Each performance was slower than the existing championship record. All results were later amended.