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World Aquatics Junior Swimming Championships

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The World Aquatics Junior Swimming Championships (commonly referred to as 'Junior World Championships' or 'Junior Worlds') is an international swimming championship event organized biennially by World Aquatics for swimmers aged 14–18 years as of 31 December of the year of the competition.[1] It is usually held on odd years. Prior to 2023, the event was known as the FINA World Junior Swimming Championships and was open to female swimmers aged 14–17 and male swimmers aged 15–18 as of 31 December of the year of the competition.[2]

Editions

More information #, Year ...
#YearLocationDatesSwimmersCountriesEventsTop nation
12006Brazil Rio de Janeiro, Brazil 22–27 August6858140 Italy
22008Mexico Monterrey, Mexico 8–12 July4806140 United States
32011Peru Lima, Peru 16–21 August5285840 United States
42013United Arab Emirates Dubai, United Arab Emirates 26–31 August9009542 Australia
52015Singapore Kallang, Singapore[3]25–30 August7008742 Australia
62017United States Indianapolis, USA[3]23–28 August6199042 United States
72019Hungary Budapest, Hungary20–25 August81412642 United States
82022Peru Lima, Peru[4]30 August – 4 September5098742 Japan
92023Israel Netanya, Israel4–9 September6489342 United States
102025Romania Otopeni, Romania19–24 August+600+10042 United States
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Medal table

Last updated after the 2025 Championships

More information Rank, Nation ...
RankNationGoldSilverBronzeTotal
1 United States957565235
2 Australia41302697
3 Russia354042117
4 Japan334238113
5 Italy273749113
6 Canada18263377
7 Hungary1321337
8 Great Britain13192456
9 Turkey132318
10 Spain1271231
11 Poland1261331
12 China11141237
13 Ukraine114520
14 New Zealand102113
15 Lithuania74415
16 Romania65415
17 Germany512522
18 France561021
19   Neutral Athletes B55515
20 Brazil311620
21 South Africa36918
22 Greece33612
23 Croatia3238
24 Argentina3227
25 Ireland3126
26 Portugal3003
27 Czech Republic25512
28 Serbia25310
29 Austria2349
30 Denmark2136
31 Belgium2103
 Bosnia and Herzegovina2103
33 Hong Kong2024
34 Slovenia2002
35 Belarus1315
36 Bulgaria1225
 South Korea1225
38 Estonia1113
39 Trinidad and Tobago1102
40 Egypt1012
41 Indonesia1001
42 Sweden0426
43 Malaysia0202
44 Cyprus0112
45 Nigeria0101
46 Venezuela0033
47 Ecuador0011
 Panama0011
 Slovakia0011
Totals (49 entries)4164154151,246
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Championships records

All records were set in finals unless noted otherwise. All times are swum in a long-course (50m) pool.

Men

More information Event, Time ...
Event Time NameNationalityDateMeetLocation Ref
50m freestyle 21.75 h, =Michael Andrew  United States 25 August 20172017 Championships Indianapolis, United States [5]
50m freestyle 21.75 =Michael Andrew  United States 26 August 20172017 Championships Indianapolis, United States [6]
50m freestyle 21.75 sf, =Nikita Sheremet  Ukraine 21 August 20252025 Championships Otopeni, Romania [7]
100m freestyle 47.07 rDavid Popovici  Romania 30 August 20222022 Championships Lima, Peru [8]
200m freestyle 1:45.15 Carlos D'Ambrosio  Italy 20 August 20252025 Championships Otopeni, Romania [9]
400m freestyle 3:46.06 Gábor Zombori  Hungary 20 August 20192019 Championships Budapest, Hungary [10]
800m freestyle 7:45.67 Mack Horton Australia 28 August 20132013 Championships Dubai, United Arab Emirates [11]
1500m freestyle 14:46.09 Franko Grgić  Croatia 25 August 20192019 Championships Budapest, Hungary [12]
50m backstroke 24.44 Ksawery Masiuk  Poland 2 September 20222022 Championships Lima, Peru [13]
100m backstroke 52.91 Ksawery Masiuk  Poland 31 August 20222022 Championships Lima, Peru [14]
200m backstroke 1:56.05 Pieter Coetze  South Africa 4 September 20222022 Championships Lima, Peru [15]
50m breaststroke 26.95 hJan Malte Grafe  Germany 23 August 20252025 Championships Otopeni, Romania [16]
100m breaststroke 59.01 sfNicolò Martinenghi  Italy 23 August 20172017 Championships Indianapolis, United States [17]
200m breaststroke 2:07.32 Filip Nowacki  Great Britain 22 August 20252025 Championships Otopeni, Romania [18]
50m butterfly 22.96 Diogo Ribeiro  Portugal 3 September 20222022 Championships Lima, Peru [19]
100m butterfly 51.08 Kristóf Milák  Hungary 25 August 20172017 Championships Indianapolis, United States [20]
200m butterfly 1:53.87 Kristóf Milák  Hungary 28 August 20172017 Championships Indianapolis, United States [21]
200m individual medley 1:57.25 Mikhail Shcherbakov Neutral Athletes B Neutral Athletes B 20 August 20252025 Championships Otopeni, Romania [22]
400m individual medley 4:10.97 Tomoyuki Matsushita  Japan 8 September 20232023 Championships Netanya, Israel [23]
4×100m freestyle relay 3:15.38
  • Mikhail Shcherbakov
     (49.13)
  • Roman Zhidkov
     (48.37)
  • Egor Proshin
     (48.98)
  • Georgii Zlotnikov
     (48.90)
 Neutral Athletes B Neutral Athletes B 19 August 2025 2025 Championships Otopeni, Romania [24]
4×200m freestyle relay 7:08.37
 United States 23 August 2019 2019 Championships Budapest, Hungary [25]
4×100m medley relay 3:33.19
 Russia 25 August 2019 2019 Championships Budapest, Hungary [26]
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Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

Women

More information Event, Time ...
Event Time NameNationalityDateMeetLocation Ref
50m freestyle 24.59 =Rikako Ikee  Japan 28 August 20172017 Championships Indianapolis, United States [27]
50m freestyle 24.59 =Olivia Wunsch  Australia 9 September 20232023 Championships Netanya, Israel [28]
100m freestyle 52.79 Rylee Erisman  United States 20 August 20252025 Championships Otopeni, Romania [29]
200m freestyle 1:56.25 Yang Peiqi  China 24 August 20252025 Championships Otopeni, Romania [30]
400m freestyle 4:05.38 Yang Peiqi  China 22 August 20252025 Championships Otopeni, Romania [31]
800m freestyle 8:22.49 Lani Pallister  Australia 21 August 20192019 Championships Budapest, Hungary [32]
1500m freestyle 15:58.86 Lani Pallister  Australia 24 August 20192019 Championships Budapest, Hungary [33]
50m backstroke 27.77 sfKim Seung-won  South Korea 22 August 20252025 Championships Otopeni, Romania [34]
100m backstroke 59.11 Regan Smith  United States 24 August 20172017 Championships Indianapolis, United States [35]
200m backstroke 2:06.99 Audrey Derivaux  United States 20 August 20252025 Championships Otopeni, Romania [36]
50m breaststroke 29.86 Rūta Meilutytė  Lithuania 27 August 20132013 Championships Dubai, United Arab Emirates [37]
100m breaststroke 1:06.23 sfEneli Jefimova  Estonia 6 September 20232023 Championships Netanya, Israel [38]
200m breaststroke 2:19.64 Viktoriya Zeynep Gunes  Turkey 30 August 20152015 Championships Singapore, Singapore [39]
50m butterfly 25.46 Rikako Ikee  Japan 26 August 20172017 Championships Indianapolis, United States [40]
100m butterfly 56.87 Mizuki Hirai  Japan 24 August 20252025 Championships Otopeni, Romania [41]
200m butterfly 2:07.20 Lana Pudar  Bosnia and Herzegovina 5 September 20232023 Championships Netanya, Israel [42]
200m individual medley 2:10.24 Leah Hayes  United States 7 September 20232023 Championships Netanya, Israel [43]
400m individual medley 4:34.34 Agostina Hein  Argentina 19 August 20252025 Championships Otopeni, Romania [44]
4×100m freestyle relay 3:35.53
  • Rylee Erisman
     (53.41)
  • Liberty Clark
     (53.85)
  • Julie Mishler
     (54.65)
  • Lily King
     (53.62)
  United States 23 August 2025 2025 Championships Otopeni, Romania [45]
4×200m freestyle relay 7:51.47
 Canada 23 August 2017 2017 Championships Indianapolis, United States [46]
4×100m medley relay 3:58.38
 Canada 28 August 2017 2017 Championships Indianapolis, United States [47]
Close
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

Mixed

More information Event, Time ...
Event Time NameNationalityDateMeetLocation Ref
4x100 m freestyle relay 3:24.29
 Australia 6 September 2023 2023 Championships Netanya, Israel [48]
4x100 m medley relay 3:44.84
 United States 21 August 2019 2019 Championships Budapest, Hungary [49]
Close
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

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