Ella Jansen

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.

100 Freestyle

2023 Mare Nostrum MON · Monaco, Monaco · Meet 20–21 May 2023

—56.13

2025 World Aquatics Championships — Swimming · Singapore Sports Hub, Singapore · Meet 27 Jul–3 Aug 2025

—1:58.78relay lead-off

2023 World Aquatics Junior Swimming Championships · Netanya · Meet 4–9 Sep 2023

—4:09.48

2023 Toyota US Open — Swimming · Greensboro, NC · Meet 29 Nov–2 Dec 2023

—8:40.14

50 Butterfly

2023 Mare Nostrum MON · Monaco, Monaco · Meet 20–21 May 2023

—27.72

2023 World Aquatics Junior Swimming Championships · Netanya · Meet 4–9 Sep 2023

—58.74

2022 Jr Pan Pacific Swimming Championships · Meet 24–27 Aug 2022

—2:11.10

2023 World Aquatics Junior Swimming Championships · Netanya · Meet 4–9 Sep 2023

—2:14.11

2023 World Aquatics Junior Swimming Championships · Netanya · Meet 4–9 Sep 2023

—4:37.35

All Results 91 swims · 16 meets

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

2026 NCAA DI Women's Swimming & Diving · Meet 18–21 Mar 2026

200y Butterfly SCY18 Mar 2026

18 Mar 2026Championship Final71:52.35

200y Butterfly SCY18 Mar 2026

18 Mar 2026Preliminary61:52.60

400y IM SCY18 Mar 2026

18 Mar 2026Championship Final43:59.59

400y IM SCY18 Mar 2026

18 Mar 2026Preliminary14:00.24

500y Freestyle SCY18 Mar 2026

18 Mar 2026Championship Final44:32.82

500y Freestyle SCY18 Mar 2026

18 Mar 2026Preliminary24:34.13

2026 SEC Swimming and Diving Championships · Meet 16–21 Feb 2026

200 Butterfly SCY

—Championship Final31:52.08

200 Butterfly SCY

—Preliminary11:53.26

400 IM SCY

—Championship Final14:01.97

400 IM SCY

—Preliminary24:07.51

500 Freestyle SCY

—Championship Final34:34.10

500 Freestyle SCY

—Preliminary34:37.66

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

100 Freestyle SCM

—Heat153.98

200 Freestyle SCM

—Final81:55.02

200 Freestyle SCM

—Heat31:55.16

200 Butterfly SCM

—Heat42:09.13

200 IM SCM

—Heat42:10.17

400 Freestyle SCM

—Final84:03.22

100 Butterfly SCM

—Heat—DNS

100 IM SCM

—Heat—DNS

2025 NCAA DI Women's Swimming & Diving · Federal Way, WA · Meet 19–22 Mar 2025

200y Butterfly SCY19 Mar 2025

19 Mar 2025Preliminary191:54.57

400y IM SCY19 Mar 2025

19 Mar 2025Consolation Final94:02.53

400y IM SCY19 Mar 2025

19 Mar 2025Preliminary104:05.45

500y Freestyle SCY19 Mar 2025

19 Mar 2025Consolation Final94:34.62

500y Freestyle SCY19 Mar 2025

19 Mar 2025Preliminary104:37.47

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

400 IM LCM

—Heat54:42.06

2024 World Aquatics Championships - Doha · Meet 2–18 Feb 2024

200 Butterfly LCM

—Heat202:14.77

400 Freestyle LCM

—Heat214:17.01

400 IM LCM

—Heat104:44.93

2024 TYR Pro Swim Series - Knoxville · Westmont, United States of America · Meet 10–13 Jan 2024

400 Freestyle LCM

—Heat124:20.02

2023 Toyota US Open — Swimming · Greensboro, NC · Meet 29 Nov–2 Dec 2023

200 Freestyle LCM

—Heat162:00.57

200 Butterfly LCM

—Consolation Final102:12.07

200 Butterfly LCM

—Heat112:13.68

800 Freestyle LCM

—Heat78:40.14

2023 World Aquatics Junior Swimming Championships · Netanya · Meet 4–9 Sep 2023

100 Butterfly LCM

—Semifinal558.74

100 Butterfly LCM

—Heat358.85

100 Butterfly LCM

—Final659.23

200 Freestyle LCM

—Heat31:59.12

200 Freestyle LCM

—Final51:59.18

200 IM LCM

—Heat22:14.11

200 IM LCM

—Final72:16.68

400 Freestyle LCM

—Heat14:09.48

400 Freestyle LCM

—Final44:09.55

400 IM LCM

—Final24:37.35

400 IM LCM

—Heat24:44.26

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

400 Freestyle LCM

—Heat224:12.77

400 IM LCM

—Heat174:43.35

2023 Mare Nostrum MON · Monaco, Monaco · Meet 20–21 May 2023

50 Butterfly LCM

—Heat 11327.72

100 Freestyle LCM

—Heat 11156.13

100 Butterfly LCM

—Heat 141:00.68

200 Freestyle LCM

—Heat 162:00.14

200 Butterfly LCM

—Heat 1—DNS

2023 TYR Pro Swim Series - Knoxville · Knoxville, United States of America · Meet 11–14 Jan 2023

100 Freestyle LCM

—Consolation Final—56.21

100 Freestyle LCM

—Heat1656.50

100 Butterfly LCM

—Final158.92

100 Butterfly LCM

—Heat159.86

200 Freestyle LCM

—Final41:59.08

200 Freestyle LCM

—Heat62:00.52

200 Butterfly LCM

—Final32:12.62

200 Butterfly LCM

—Heat42:14.19

400 Freestyle LCM

—Final74:14.49

400 Freestyle LCM

—Heat84:15.13

2022 FINA Swimming World Cup · Toronto · Meet 28–30 Oct 2022

100 Butterfly SCM

—Heat459.29

100 IM SCM

—Heat21:01.53

200 Freestyle SCM

—Final51:55.50

200 Freestyle SCM

—Heat21:56.41

200 IM SCM

—Heat52:11.39

200 IM SCM

—Final72:11.42

400 Freestyle SCM

—Final54:01.87

400 Freestyle SCM

—Heat34:03.20

2022 Jr Pan Pacific Swimming Championships · Meet 24–27 Aug 2022

100 Butterfly LCM

—Final559.40

100 Butterfly LCM

—Heat559.77

200 Butterfly LCM

—Final62:11.10

200 Butterfly LCM

—Heat62:12.42

200 IM LCM

—Final52:14.55

200 IM LCM

—Heat62:15.96

400 IM LCM

—Final44:43.83

400 IM LCM

—Heat54:48.22

2021 Toyota US Open — Swimming · Greensboro, NC · Meet 30 Nov–4 Dec 2021

200 Butterfly LCM

—Heat52:14.80

200 Butterfly LCM

—Final62:15.22

400 Freestyle LCM

—Heat54:14.99

400 Freestyle LCM

—Final64:15.83

400 IM LCM

—Final34:44.11

400 IM LCM

—Heat34:48.07

800 Freestyle LCM

—Heat98:46.59

2025 SEC Swimming and Diving Championships

200 Butterfly SCY

—Preliminary61:54.28

200 Butterfly SCY

—Championship Final81:54.44

400 IM SCY

—Championship Final24:01.61

400 IM SCY

—Preliminary24:04.45

500 Freestyle SCY

—Consolation Final94:34.27

500 Freestyle SCY

—Preliminary104:39.12