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Daiya Seto

Japanb. 1994 (32)

World record swims in available results

Personal Bests

Best times from available individual swims and official relay lead-offs; career coverage may be incomplete. Select an event to show its progression.

2012 Jr Pan Pacific Swimming Championships · Date unavailable

1:49.95

2012 Jr Pan Pacific Swimming Championships · Date unavailable

53.23

2020 FINA Champions Swim Series · Beijing · Date unavailable

1:52.53

2020 FINA Champions Swim Series · Beijing · Date unavailable

1:55.55

2016 Olympic Games Rio · Rio de Janeiro · Date unavailable

4:08.47

All Results 349 swims · 59 meets

2025 World Aquatics Swimming World Cup · Toronto

Race dates unavailable.

100 IM SCM
Heat554.16
200 IM SCM
Heat41:57.23
200 Breaststroke SCM
Final62:06.20
200 Breaststroke SCM
Heat32:07.34

2025 World Aquatics Swimming World Cup · Westmont

Race dates unavailable.

100 IM SCM
Heat554.15
200 Butterfly SCM
Heat41:57.80
200 Breaststroke SCM
Heat72:10.51
400 IM SCM
Final94:10.64

2025 World Aquatics Swimming World Cup · Carmel

Race dates unavailable.

200 Breaststroke SCM
Heat12:08.21
400 IM SCM
Final124:14.37
100 IM SCM
Heat—DNS
200 IM SCM
Heat—DNS

2024 World Aquatics Swimming World Cup · Incheon

Race dates unavailable.

100 IM SCM
Final552.42
100 IM SCM
Heat352.66
200 IM SCM
Final31:52.36
200 IM SCM
Heat11:54.65
400 IM SCM
Final23:59.43

2024 Olympic Games Paris

Race dates unavailable.

200 IM LCM
Semifinal21:56.59
200 IM LCM
Final71:57.21
200 IM LCM
Heat11:57.48
400 IM LCM
Heat34:10.92
400 IM LCM
Final74:11.78

2024 World Aquatics Championships - Doha

Race dates unavailable.

200 IM LCM
Final41:57.54
200 IM LCM
Semifinal41:57.85
200 IM LCM
Heat21:58.26
400 IM LCM
Final34:12.51
400 IM LCM
Heat34:13.06

2023 World Aquatics Championships - Fukuoka

Race dates unavailable.

200 IM LCM
Final61:56.70
200 IM LCM
Semifinal61:57.15
200 IM LCM
Heat21:57.80
400 IM LCM
Final34:09.41
400 IM LCM
Heat34:10.89

2022 16th FINA World Swimming Championships (25m) · Melbourne

Race dates unavailable.

200 Butterfly SCM
Final21:49.22
200 Butterfly SCM
Heat31:49.99
200 IM SCM
Final51:51.39
200 IM SCM
Heat11:51.76
200 Breaststroke SCM
Final12:00.35
200 Breaststroke SCM
Heat12:02.43
400 IM SCM
Final13:55.75
400 IM SCM
Heat14:00.35

2022 19th FINA World Championships Budapest

Race dates unavailable.

200 IM LCM
Final31:56.22
200 IM LCM
Semifinal11:56.74
200 IM LCM
Heat11:58.29
400 IM LCM
Heat14:10.51
400 IM LCM
Final64:11.93

2021 15th FINA World Swimming Championships (25m) · Abu Dhabi

Race dates unavailable.

100 IM SCM
Final451.46
100 IM SCM
Semifinal351.52
100 IM SCM
Heat151.52
200 IM SCM
Final11:51.15
200 IM SCM
Heat11:52.38
400 IM SCM
Final13:56.26
400 IM SCM
Heat14:00.84

2021 FINA Swimming World Cup · Kazan

Race dates unavailable.

100 IM SCM
Final151.29
100 IM SCM
Heat151.64
200 IM SCM
Final11:50.66
200 IM SCM
Heat11:54.03
200 Breaststroke SCM
Final12:01.49
200 Breaststroke SCM
Heat22:05.83
400 IM SCM
Final13:57.85

2021 FINA Swimming World Cup · Doha

Race dates unavailable.

100 IM SCM
Final151.56
100 IM SCM
Heat153.29
200 Butterfly SCM
Final11:49.76
200 Breaststroke SCM
Final12:01.65
200 Breaststroke SCM
Heat22:07.44
400 IM SCM
Final14:01.97

2020 Olympic Games Tokyo

Race dates unavailable.

200 Butterfly LCM
Heat41:55.26
200 Butterfly LCM
Semifinal71:55.50
200 IM LCM
Final41:56.22
200 IM LCM
Semifinal21:56.86
200 IM LCM
Heat51:58.15
400 IM LCM
Heat54:10.52

2020 FINA Champions Swim Series · Beijing

Race dates unavailable.

200 Butterfly LCM
Final11:52.53
200 IM LCM
Final11:55.55

2019 International Swimming League

400 IM SCM20 Dec 2019
——WR3:54.81

2019 FINA Swimming World Cup · Tokyo

Race dates unavailable.

400 IM SCM
Final14:11.41

2019 18th FINA World Championships · Gwangju

Race dates unavailable.

200 Butterfly LCM
Final21:53.86
200 Butterfly LCM
Heat21:54.56
200 Butterfly LCM
Semifinal21:55.33
200 IM LCM
Final11:56.14
200 IM LCM
Semifinal31:57.10
200 IM LCM
Heat21:57.90
400 IM LCM
Final14:08.95
400 IM LCM
Heat14:12.27

2018 14th FINA World Swimming Championships (25m) · Hangzhou

Race dates unavailable.

200 Butterfly SCM
Final11:48.24
200 Butterfly SCM
Heat11:49.88
400 IM SCM
Final13:56.43
400 IM SCM
Heat14:00.50

2018 World Championships

200 Butterfly SCM11 Dec 2018
——WR1:48.24

2018 FINA Swimming World Cup · Budapest

Race dates unavailable.

100 Breaststroke SCM
Final557.31
100 Breaststroke SCM
Heat157.86
200 Butterfly SCM
Final21:51.01
200 Butterfly SCM
Heat11:54.05
200 Breaststroke SCM
Heat42:07.45
400 IM SCM
Final14:01.16

2018 FINA Swimming World Cup · Eindhoven

Race dates unavailable.

100 IM SCM
Final251.40
100 IM SCM
Heat252.64
200 IM SCM
Final11:51.09
200 IM SCM
Heat11:54.66
200 Breaststroke SCM
Final32:04.19
200 Breaststroke SCM
Heat22:06.90
400 IM SCM
Final13:57.25

2017 FINA/airweave Swimming World Cup · Singapore

Race dates unavailable.

200 Butterfly SCM
Final21:50.19
200 IM SCM
Final11:51.88
200 IM SCM
Heat11:55.04
200 Breaststroke SCM
Final22:01.30
200 Breaststroke SCM
Heat12:07.19

2017 FINA/airweave Swimming World Cup · Tokyo

Race dates unavailable.

200 IM SCM
Final11:51.40
200 IM SCM
Heat11:54.21
400 IM SCM
Final13:57.66

2017 FINA/airweave Swimming World Cup · Beijing

Race dates unavailable.

100 IM SCM
Final352.09
100 Breaststroke SCM
Final456.93
100 Breaststroke SCM
Heat157.57
400 IM SCM
Final13:58.20

2017 17th FINA World Championships · Budapest

Race dates unavailable.

200 Butterfly LCM
Semifinal11:54.03
200 Butterfly LCM
Final31:54.21
200 Butterfly LCM
Heat11:54.89
200 IM LCM
Semifinal21:56.92
200 IM LCM
Final51:56.97
200 IM LCM
Heat31:57.55
400 IM LCM
Final34:09.14
400 IM LCM
Heat34:12.89

2016 13th FINA World Swimming Championships (25m) · Windsor

Race dates unavailable.

100 Butterfly SCM
Heat1851.66
100 IM SCM
Final252.01
100 IM SCM
Semifinal152.09
100 IM SCM
Heat352.76
200 Freestyle SCM
Heat151:44.93
200 Butterfly SCM
Final31:49.97
200 Butterfly SCM
Heat51:52.44
200 IM SCM
Final31:52.89
200 IM SCM
Heat11:53.49
400 IM SCM
Final13:59.24
400 IM SCM
Heat64:05.00

2016 FINA/airweave Swimming World Cup · Hong Kong

Race dates unavailable.

100 Butterfly SCM
Heat252.97
100 IM SCM
Final252.97
100 Butterfly SCM
Final753.84
100 IM SCM
Heat255.25
200 Freestyle SCM
Final31:45.81
200 Freestyle SCM
Heat11:49.73
200 Butterfly SCM
Final21:52.38
200 IM SCM
Final11:53.09
200 IM SCM
Heat11:58.41
200 Butterfly SCM
Heat32:01.42
400 IM SCM
Final14:04.11

2016 FINA/airweave Swimming World Cup · Tokyo

Race dates unavailable.

100 Butterfly SCM
Final450.80
100 Butterfly SCM
Heat151.13
100 IM SCM
Final352.09
100 IM SCM
Heat453.85
200 Freestyle SCM
Final31:44.11
200 Freestyle SCM
Heat31:45.64
200 Butterfly SCM
Final11:49.93
200 IM SCM
Final11:52.48
200 Butterfly SCM
Heat11:53.55
200 IM SCM
Heat11:56.58
400 IM SCM
Final14:03.42

2016 FINA/airweave Swimming World Cup · Singapore

Race dates unavailable.

100 Butterfly SCM
Heat251.91
100 IM SCM
Final352.05
100 IM SCM
Heat153.71
100 Butterfly SCM
Final854.05
200 Freestyle SCM
Final21:44.11
200 Freestyle SCM
Heat31:46.90
200 Butterfly SCM
Final11:49.53
200 IM SCM
Final11:52.80
200 Butterfly SCM
Heat11:58.85
200 IM SCM
Heat11:59.98
400 IM SCM
Final14:04.60

2016 FINA/airweave Swimming World Cup · Doha

Race dates unavailable.

100 Butterfly SCM
Heat555.04
100 IM SCM
Final555.22
100 IM SCM
Heat357.09
100 Breaststroke SCM
Final358.07
100 Breaststroke SCM
Heat41:00.76
200 Butterfly SCM
Final11:49.84
200 IM SCM
Final11:52.49
200 Backstroke SCM
Final42:00.41
200 IM SCM
Heat12:01.31
200 Breaststroke SCM
Final22:05.91
200 Breaststroke SCM
Heat22:15.60
400 IM SCM
Final14:02.39

2016 FINA/airweave Swimming World Cup · Dubai

Race dates unavailable.

100 Butterfly SCM
Heat352.25
100 IM SCM
Heat253.88
100 IM SCM
Final554.65
100 Butterfly SCM
Final955.02
100 Breaststroke SCM
Final357.61
100 Breaststroke SCM
Heat259.14
200 Butterfly SCM
Final21:50.73
200 IM SCM
Final11:52.41
200 Backstroke SCM
Final41:54.26
200 IM SCM
Heat12:00.70
200 Backstroke SCM
Heat22:01.16
200 Breaststroke SCM
Final22:05.29
200 Breaststroke SCM
Heat12:12.23
400 IM SCM
Final14:00.93

2016 FINA/airweave Swimming World Cup · Beijing

Race dates unavailable.

100 Butterfly SCM
Heat453.58
100 IM SCM
Heat254.45
100 IM SCM
Final857.01
100 Breaststroke SCM
Heat359.90
200 Butterfly SCM
Final21:52.59
200 Backstroke SCM
Final31:54.41
200 IM SCM
Final41:54.51
200 Butterfly SCM
Heat11:56.89
200 IM SCM
Heat41:59.63
200 Backstroke SCM
Heat22:03.17
200 Breaststroke SCM
Final22:03.81
200 Breaststroke SCM
Heat22:09.59
400 IM SCM
Final14:04.26

2016 Olympic Games Rio · Rio de Janeiro

Race dates unavailable.

200 Butterfly LCM
Final51:54.82
200 Butterfly LCM
Semifinal21:55.28
200 Butterfly LCM
Heat41:55.79
400 IM LCM
Heat24:08.47
400 IM LCM
Final34:09.71

2015 16th FINA World Championships · Kazan

Race dates unavailable.

200 Butterfly LCM
Semifinal31:54.95
200 Butterfly LCM
Final61:55.16
200 Butterfly LCM
Heat11:55.60
200 IM LCM
Heat11:59.11
200 IM LCM
Semifinal72:00.05
400 IM LCM
Final14:08.50
400 IM LCM
Heat14:12.17

2014 12th FINA World Swimming Championships (25m) · Doha

Race dates unavailable.

200 Butterfly SCM
Final21:48.92
200 Butterfly SCM
Heat11:50.82
200 IM SCM
Final31:51.79
200 IM SCM
Heat31:53.15
400 IM SCM
Final13:56.33
400 IM SCM
Heat54:03.73

2014 FINA/MASTBANK Swimming World Cup · Singapore

Race dates unavailable.

100 Butterfly SCM
Final350.71
100 Butterfly SCM
Heat152.44
200 Freestyle SCM
Final31:43.90
200 Freestyle SCM
Heat31:46.45
200 Butterfly SCM
Final21:51.81
200 IM SCM
Final11:54.14
200 Butterfly SCM
Heat11:56.48
200 IM SCM
Heat11:58.82
400 Freestyle SCM
Heat13:49.58
400 IM SCM
Final14:04.07

2014 FINA/MASTBANK Swimming World Cup · Tokyo

Race dates unavailable.

200 Butterfly SCM
Final21:49.68
200 Butterfly SCM
Heat11:51.94
200 IM SCM
Final21:52.55
200 IM SCM
Heat11:55.23
400 IM SCM
Final13:59.91

2014 FINA/MASTBANK Swimming World Cup · Beijing

Race dates unavailable.

200 Butterfly SCM
Final21:51.56
200 Butterfly SCM
Heat11:54.18
200 IM SCM
Final11:54.21
200 IM SCM
Heat11:59.32
400 IM SCM
Final14:04.84

2013 FINA Swimming World Cup · Tokyo

Race dates unavailable.

100 IM SCM
Heat253.18
100 IM SCM
Final854.27
400 IM SCM
Final34:00.72

2013 FINA Swimming World Cup · Berlin

Race dates unavailable.

100 Butterfly SCM
Heat452.88
200 Butterfly SCM
Final31:50.96
200 IM SCM
Final31:52.62
200 Butterfly SCM
Heat11:53.55
200 IM SCM
Heat21:54.94
200 Breaststroke SCM
Final42:04.50
200 Breaststroke SCM
Heat22:07.15
400 IM SCM
Final13:58.84

2013 FINA Swimming World Cup · Eindhoven

Race dates unavailable.

100 Breaststroke SCM
Heat51:00.58
200 Butterfly SCM
Final51:51.90
200 Butterfly SCM
Heat11:53.51
200 IM SCM
Final41:53.76
200 IM SCM
Heat31:56.35
200 Breaststroke SCM
Heat52:08.79
400 IM SCM
Final14:00.37

2013 15th FINA World Championships · Barcelona

Race dates unavailable.

200 IM LCM
Semifinal31:58.03
200 IM LCM
Final71:58.45
200 IM LCM
Heat41:59.25
400 IM LCM
Final14:08.69
400 IM LCM
Heat14:12.96

2012 11th FINA World Swimming Championships (25m) · Istanbul

Race dates unavailable.

100 IM SCM
Semifinal253.10
100 IM SCM
Final853.15
100 IM SCM
Heat153.49
200 IM SCM
Final21:52.80
200 IM SCM
Heat21:54.41
400 IM SCM
Final13:59.15
400 IM SCM
Heat14:04.28

2012 FINA/Arena Swimming World Cup · Tokyo

Race dates unavailable.

200 IM SCM
Final11:52.48
200 IM SCM
Heat11:56.24
400 IM SCM
Final14:00.02

2012 FINA/Arena Swimming World Cup · Berlin

Race dates unavailable.

200 Butterfly SCM
Final21:52.22
200 IM SCM
Final31:53.84
200 Butterfly SCM
Heat21:56.03
200 IM SCM
Heat11:57.57
400 IM SCM
Final14:00.12

2012 FINA/Arena Swimming World Cup · Moscow

Race dates unavailable.

200 Butterfly SCM
Final21:52.49
200 IM SCM
Final11:53.93
200 Butterfly SCM
Heat11:57.53
200 IM SCM
Heat11:58.19
400 IM SCM
Final14:01.30
1500 Freestyle SCM
Final115:03.02

2012 FINA/Arena Swimming World Cup · Stockholm

Race dates unavailable.

200 Butterfly SCM
Final21:52.12
200 Butterfly SCM
Heat11:57.89
200 Breaststroke SCM
Final22:06.65
200 Breaststroke SCM
Heat12:13.93
400 IM SCM
Final14:00.85
200 IM SCM
Heat—DQ

2012 FINA/Arena Swimming World Cup · Doha

Race dates unavailable.

100 Breaststroke SCM
Final358.60
100 Breaststroke SCM
Heat159.94
200 Butterfly SCM
Final11:51.30
200 IM SCM
Final31:54.78
200 IM SCM
Heat12:01.33
200 Butterfly SCM
Heat22:01.73
200 Breaststroke SCM
Final12:04.87
200 Breaststroke SCM
Heat22:10.57
400 IM SCM
Final14:02.51
1500 Freestyle SCM
Final214:48.97

2012 FINA/Arena Swimming World Cup · Dubai

Race dates unavailable.

100 Butterfly SCM
Heat252.58
200 Freestyle SCM
Final41:44.69
200 Freestyle SCM
Heat31:45.94
200 Butterfly SCM
Final21:51.71
200 IM SCM
Final21:53.90
200 Butterfly SCM
Heat11:58.73
200 IM SCM
Heat11:59.34
200 Breaststroke SCM
Final22:05.72
200 Breaststroke SCM
Heat22:09.95
400 IM SCM
Final14:02.64
100 Butterfly SCM
Final—DQ

2012 Jr Pan Pacific Swimming Championships

Race dates unavailable.

100 Butterfly LCM
Final253.23
100 Butterfly LCM
Heat153.53
200 Freestyle LCM
Final21:49.95
200 Freestyle LCM
Heat31:50.07
200 IM LCM
Final22:00.33
200 IM LCM
Heat22:01.67
400 IM LCM
Heat34:18.27
400 IM LCM
Final—DQ

2011 FINA/Arena Swimming World Cup · Tokyo

Race dates unavailable.

400 IM SCM
Final14:02.44

2011 FINA/Arena Swimming World Cup · Berlin

Race dates unavailable.

200 IM SCM
Final81:59.02
400 IM SCM
Final24:02.85

2011 FINA/Arena Swimming World Cup · Moscow

Race dates unavailable.

100 IM SCM
Final454.78
200 IM SCM
Final31:55.86
400 IM SCM
Final14:07.16

2011 FINA/Arena Swimming World Cup · Stockholm

Race dates unavailable.

200 IM SCM
Final11:54.65
400 IM SCM
Final24:03.33

2010 FINA/Arena Swimming World Cup · Stockholm

Race dates unavailable.

100 Butterfly SCM
Final552.96
100 Butterfly SCM
Heat453.28
100 Breaststroke SCM
Final659.99
100 Breaststroke SCM
Heat41:00.22
200 Butterfly SCM
Final11:53.57
200 Butterfly SCM
Heat11:56.73
200 Breaststroke SCM
Final32:07.52
200 Breaststroke SCM
Heat62:11.12

2010 FINA/Arena Swimming World Cup · Moscow

Race dates unavailable.

100 IM SCM
Final855.38
400 Freestyle SCM
Final53:48.85

2010 FINA/Arena Swimming World Cup · Berlin

Race dates unavailable.

200 IM SCM
Final41:56.44
400 IM SCM
Final34:04.66

2010 FINA/Arena Swimming World Cup · Tokyo

Race dates unavailable.

200 IM SCM
Heat21:56.05
200 IM SCM
Final61:57.13

2009 Australian Youth Olympic Festival

Race dates unavailable.

100 Butterfly LCM
Heat556.17
100 Butterfly LCM
Final656.22
200 Freestyle LCM
Heat171:57.62
200 IM LCM
Final42:07.70
200 IM LCM
Heat32:08.39
400 IM LCM
Final14:26.09