Jiajun Sun

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.

2023 World Aquatics Championships - Fukuoka · Meet 14–30 Jul 2023

—26.76

2024 Olympic Games Paris · Meet 26 Jul–11 Aug 2024

—1:00.11

2016 Jr Pan Pacific Swimming Championships · Meet 24–27 Aug 2016

—2:16.18

50 Butterfly

2022 19th FINA World Championships Budapest · Meet 18 Jun–3 Jul 2022

—23.83

2020 Olympic Games Tokyo · Meet 23 Jul–8 Aug 2021

—51.74

All Results 40 swims · 11 meets

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

2024 World Aquatics Swimming World Cup · Shanghai · Meet 18–20 Oct 2024

50 Butterfly SCM

—Heat522.78

50 Breaststroke SCM

—Final325.79

50 Breaststroke SCM

—Heat126.13

100 Breaststroke SCM

—Final356.16

100 Breaststroke SCM

—Heat156.80

2024 Olympic Games Paris · Meet 26 Jul–11 Aug 2024

100 Butterfly LCM

—Heat151.85

100 Breaststroke LCM

—Heat41:00.11

2023 World Aquatics Championships - Fukuoka · Meet 14–30 Jul 2023

50 Breaststroke LCM

—Heat326.76

50 Breaststroke LCM

—Semifinal326.78

50 Breaststroke LCM

—Final326.79

100 Butterfly LCM

—Heat2552.16

2022 16th FINA World Swimming Championships (25m) · Melbourne · Meet 13–18 Dec 2022

100 Breaststroke SCM

—Heat1757.92

200 Breaststroke SCM

—Heat—DNS

2022 19th FINA World Championships Budapest · Meet 18 Jun–3 Jul 2022

50 Butterfly LCM

—Heat423.83

2021 15th FINA World Swimming Championships (25m) · Abu Dhabi · Meet 16–21 Dec 2021

50 Butterfly SCM

—Semifinal1122.63

50 Butterfly SCM

—Heat822.64

100 Butterfly SCM

—Heat2050.92

2020 Olympic Games Tokyo · Meet 23 Jul–8 Aug 2021

100 Butterfly LCM

—Heat351.74

100 Butterfly LCM

—Semifinal751.82

2018 Youth Olympic Games Buenos Aires · Meet 6–18 Oct 2018

50 Breaststroke LCM

—Final227.85

50 Breaststroke LCM

—Heat127.91

50 Breaststroke LCM

—Semifinal128.05

100 Breaststroke LCM

—Final11:00.59

100 Breaststroke LCM

—Semifinal11:00.61

100 Breaststroke LCM

—Heat11:01.43

200 Breaststroke LCM

—Heat22:16.77

2017 FINA/airweave Swimming World Cup · Doha · Meet 4–5 Oct 2017

50 Breaststroke SCM

—Final826.95

50 Breaststroke SCM

—Heat327.09

100 Breaststroke SCM

—Final758.17

100 Breaststroke SCM

—Heat259.34

200 Breaststroke SCM

—Final52:06.87

200 Breaststroke SCM

—Heat32:10.87

2016 FINA/airweave Swimming World Cup · Beijing · Meet 30 Sep–1 Oct 2016

50 Breaststroke SCM

—Final827.53

50 Breaststroke SCM

—Heat427.57

100 Butterfly SCM

—Heat754.95

100 Breaststroke SCM

—Heat41:00.19

200 Breaststroke SCM

—Heat62:11.28

2016 Jr Pan Pacific Swimming Championships · Meet 24–27 Aug 2016

100 Breaststroke LCM

—Final51:01.83

100 Breaststroke LCM

—Heat41:01.94

200 Breaststroke LCM

—Heat112:16.18