Jack Cassin

Personal Bests

Best times from available individual swims and official relay lead-offs. Career coverage may be incomplete.

100 Freestyle

2022 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–3 Dec 2022

—51.90

200 Freestyle

2022 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–3 Dec 2022

—1:57.07

100 Butterfly

2025 Mare Nostrum Canet En Roussillon · Canet En Roussillon, France · Meet 24–25 May 2025

—53.77

200 Butterfly

2025 Mare Nostrum Canet En Roussillon · Canet En Roussillon, France · Meet 24–25 May 2025

—1:58.71

200 IM

2022 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–3 Dec 2022

—2:04.75

400 IM

2022 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–3 Dec 2022

—4:28.31

All Results 22 swims · 4 meets

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

2025 Mare Nostrum Canet En Roussillon · Canet En Roussillon, France · Meet 24–25 May 2025

100 Butterfly LCM

—Final B753.77

200 Butterfly LCM

—Final A61:58.71

200 Butterfly LCM

—Heat 172:01.64

2022 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–3 Dec 2022

100 Freestyle LCM

—Heat4551.90

200 Freestyle LCM

—Heat511:57.07

200 IM LCM

—Bonus Final182:04.75

200 IM LCM

—Heat222:05.70

400 IM LCM

—Bonus Final214:28.31

400 IM LCM

—Heat224:33.32

2019 FINA Swimming World Cup · Singapore · Meet 15–17 Aug 2019

50 Freestyle SCM

—Heat826.49

50 Butterfly SCM

—Heat427.99

100 Freestyle SCM

—Heat756.53

100 Butterfly SCM

—Heat91:03.65

200 Freestyle SCM

—Heat52:01.59

200 IM SCM

—Heat62:20.91

400 Freestyle SCM

—Heat44:17.08

2018 FINA Swimming World Cup · Singapore · Meet 15–17 Nov 2018

50 Butterfly SCM

—Heat1028.90

100 Freestyle SCM

—Heat757.10

100 IM SCM

—Heat101:07.32

200 Freestyle SCM

—Heat12:00.15

400 Freestyle SCM

—Heat44:20.32

1500 Freestyle SCM

—Final1517:04.12