Natsumi Sakai

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.

50 Freestyle

2014 Jr Pan Pacific Swimming Championships · Meet 27–31 Aug 2014

—27.68

2017 6th FINA World Junior Swimming Championships · Indianapolis · Meet 23–28 Aug 2017

—56.27relay lead-off

2017 6th FINA World Junior Swimming Championships · Indianapolis · Meet 23–28 Aug 2017

—27.93

2019 18th FINA World Championships · Gwangju · Meet 12–28 Jul 2019

—59.48relay lead-off

2017 6th FINA World Junior Swimming Championships · Indianapolis · Meet 23–28 Aug 2017

—2:09.34

200 IM

2014 Jr Pan Pacific Swimming Championships · Meet 27–31 Aug 2014

—2:16.44

400 IM

2014 Jr Pan Pacific Swimming Championships · Meet 27–31 Aug 2014

—4:54.22

All Results 43 swims · 9 meets

Meet dates describe the competition. Race dates are shown per swim where available.

2019 18th FINA World Championships · Gwangju · Meet 12–28 Jul 2019

50 Backstroke LCM

—Heat628.41

100 Backstroke LCM

—Final659.56

100 Backstroke LCM

—Semifinal559.71

100 Backstroke LCM

—Heat41:00.05

200 Backstroke LCM

—Semifinal52:10.11

200 Backstroke LCM

—Heat52:10.40

2017 FINA/airweave Swimming World Cup · Tokyo · Meet 14–15 Nov 2017

50 Backstroke SCM

—Final626.80

50 Backstroke SCM

—Heat127.09

200 Backstroke SCM

—Heat42:07.84

2017 6th FINA World Junior Swimming Championships · Indianapolis · Meet 23–28 Aug 2017

50 Backstroke LCM

—Final127.93

50 Backstroke LCM

—Semifinal228.11

50 Backstroke LCM

—Heat328.44

100 Backstroke LCM

—Final559.91

100 Backstroke LCM

—Heat31:00.11

100 Backstroke LCM

—Semifinal41:00.23

200 Backstroke LCM

—Final32:09.34

200 Backstroke LCM

—Heat42:11.41

2016 FINA/airweave Swimming World Cup · Tokyo · Meet 25–26 Oct 2016

50 Backstroke SCM

—Final727.15

50 Backstroke SCM

—Heat227.31

100 Backstroke SCM

—Heat158.77

200 Backstroke SCM

—Heat42:07.62

2016 Olympic Games Rio · Rio de Janeiro · Meet 5–21 Aug 2016

100 Backstroke LCM

—Heat81:01.74

200 Backstroke LCM

—Heat82:13.99

2015 FINA/airweave Swimming World Cup · Tokyo · Meet 28–29 Oct 2015

100 Backstroke SCM

—Heat31:02.90

200 Backstroke SCM

—Final32:10.73

200 Backstroke SCM

—Heat22:12.98

2015 5th FINA World Junior Swimming Championships · Singapore · Meet 25–30 Aug 2015

50 Backstroke LCM

—Semifinal1129.07

50 Backstroke LCM

—Heat829.15

100 Backstroke LCM

—Semifinal91:01.46

100 Backstroke LCM

—Heat131:02.29

200 Backstroke LCM

—Heat52:11.64

200 Backstroke LCM

—Final82:12.51

2014 FINA/MASTBANK Swimming World Cup · Tokyo · Meet 28–29 Oct 2014

50 Backstroke SCM

—Heat527.71

100 Backstroke SCM

—Heat51:01.24

2014 Jr Pan Pacific Swimming Championships · Meet 27–31 Aug 2014

50 Freestyle LCM

—Heat3027.68

100 Freestyle LCM

—Heat3258.89

100 Backstroke LCM

—Heat51:02.85

100 Backstroke LCM

—Final61:03.01

200 Backstroke LCM

—Consolation Final12:13.62

200 Backstroke LCM

—Heat32:14.91

200 IM LCM

—Consolation Final22:16.44

200 IM LCM

—Heat82:18.32

400 IM LCM

—Heat144:54.22