Jack Dahlgren

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.

2024 U.S. Olympic Team Trials — Swimming · Lucas Oil Stadium, Indianapolis, IN · Meet 15–23 Jun 2024

—22.49

2024 Speedo Summer Championships · Meet 23–27 Jul 2024

—49.56

2025 Toyota U.S. National Championships · Indiana University Natatorium, Indianapolis, IN · Meet 3–7 Jun 2025

—1:46.58

2019 Phillips 66 National Championships — Swimming · Stanford, CA · Meet 31 Jul–4 Aug 2019

—3:59.87

50 Backstroke

2018 Phillips 66 National Championships — Swimming · Irvine, CA · Meet 25–29 Jul 2018

—26.67

2025 Toyota U.S. National Championships · Indiana University Natatorium, Indianapolis, IN · Meet 3–7 Jun 2025

—54.50

2021 U.S. Olympic Team Trials — Wave II · CHI Health Center, Omaha, NE · Meet 13–20 Jun 2021

—2:00.67

2024 U.S. Olympic Team Trials — Swimming · Lucas Oil Stadium, Indianapolis, IN · Meet 15–23 Jun 2024

—52.02

2025 Toyota U.S. National Championships · Indiana University Natatorium, Indianapolis, IN · Meet 3–7 Jun 2025

—1:55.18

200 IM

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

—2:04.66

All Results 196 swims · 31 meets

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

2026 World Aquatics Swimming World Cup · Astana · Meet 15–17 Oct 2026

50 Backstroke SCM

—Heat2624.60

200 Freestyle SCM

—Final51:43.87

200 Freestyle SCM

—Heat81:45.46

200 Backstroke SCM

—Heat101:53.62

200 Butterfly SCM

—Final71:54.12

200 Backstroke SCM

—Final101:54.19

200 Butterfly SCM

—Heat91:56.14

2026 World Aquatics Swimming World Cup · Tashkent · Meet 8–10 Oct 2026

100 Backstroke SCM

—Heat452.01

100 Butterfly SCM

—Heat552.27

200 Freestyle SCM

—Final71:44.61

200 Freestyle SCM

—Heat31:44.81

200 Butterfly SCM

—Final61:56.11

200 Butterfly SCM

—Heat41:59.38

2026 World Aquatics Swimming World Cup · Baku · Meet 1–3 Oct 2026

200 Freestyle SCM

—Heat31:45.39

200 Freestyle SCM

—Final91:45.76

200 Butterfly SCM

—Final41:54.70

200 Backstroke SCM

—Heat61:55.44

200 Butterfly SCM

—Heat31:55.98

2026 Mare Nostrum Monaco (50m) · Monaco, Monaco · Meet 23–24 May 2026

200 Freestyle LCM

—Final31:48.63

200 Freestyle LCM

—Heat 161:49.90

200 Butterfly LCM

—Final41:57.62

200 Butterfly LCM

—Heat 131:59.74

2026 TYR Pro Swim Series - Westmont · Westmont, United States of America · Meet 4–7 Mar 2026

50 Freestyle LCM

—Heat3723.68

100 Freestyle LCM

—Heat1850.35

100 Freestyle LCM

—Semifinal1850.51

100 Freestyle LCM

—Final1850.51

100 Butterfly LCM

—Semifinal1253.71

100 Butterfly LCM

—Final1153.71

100 Butterfly LCM

—Heat1954.27

200 Butterfly LCM

—Heat71:59.85

200 Butterfly LCM

—Final72:01.33

2025 World Aquatics Swimming World Cup · Toronto · Meet 23–25 Oct 2025

100 Freestyle SCM

—Heat1050.58

100 Butterfly SCM

—Heat352.57

100 Backstroke SCM

—Heat853.53

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

200 Freestyle SCM

—Heat91:47.41

200 Backstroke SCM

—Heat51:57.54

200 Butterfly SCM

—Heat51:58.80

2025 World Aquatics Swimming World Cup · Carmel · Meet 10–12 Oct 2025

200 Freestyle SCM

—Heat91:46.91

200 Backstroke SCM

—Heat41:57.37

200 Butterfly SCM

—Heat52:00.43

2025 TYR Summer Championships · Meet 5–8 Aug 2025

100 Freestyle LCM

—Heat749.64

100 Butterfly LCM

—Final752.52

100 Butterfly LCM

—Heat652.63

200 Butterfly LCM

—Heat21:56.13

200 Butterfly LCM

—Final21:57.76

2025 Toyota U.S. National Championships · Indiana University Natatorium, Indianapolis, IN · Meet 3–7 Jun 2025

50 Freestyle LCM

—Heat2422.68

50 Freestyle LCM

—Consolation Final 22422.90

100 Butterfly LCM

—Heat852.15

100 Butterfly LCM

—Final852.24

100 Backstroke LCM

—Heat1354.50

100 Backstroke LCM

—Consolation Final1655.22

200 Freestyle LCM

—Heat121:46.58

200 Freestyle LCM

—Consolation Final121:47.26

200 Butterfly LCM

—Heat51:55.18

200 Butterfly LCM

—Final71:55.97

2024 Toyota US Open — Swimming · Austin, TX · Meet 4–7 Dec 2024

50 Freestyle SCY

—Heat1119.97

50 Freestyle SCY

—Consolation Final1320.03

200 Freestyle SCY

—Final41:34.36

200 Freestyle SCY

—Heat51:35.59

200 Backstroke SCY

—Final31:43.06

200 Backstroke SCY

—Heat51:44.95

2024 World Aquatics Swimming World Cup · Singapore · Meet 31 Oct–2 Nov 2024

200 Freestyle SCM

—Heat51:44.17

200 Backstroke SCM

—Final31:52.80

200 Backstroke SCM

—Heat21:54.89

200 Butterfly SCM

—Final71:55.13

200 Butterfly SCM

—Heat21:56.69

100 Backstroke SCM

—Heat—DNS

2024 World Aquatics Swimming World Cup · Incheon · Meet 24–26 Oct 2024

200 Freestyle SCM

—Heat31:44.12

200 Freestyle SCM

—Final71:45.52

200 Backstroke SCM

—Final51:53.88

200 Butterfly SCM

—Final71:55.61

200 Backstroke SCM

—Heat31:56.26

200 Butterfly SCM

—Heat31:56.97

100 Backstroke SCM

—Heat—DNS

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

50 Backstroke SCM

—Heat424.18

100 Backstroke SCM

—Heat552.17

100 Butterfly SCM

—Heat81:00.18

200 Freestyle SCM

—Heat41:44.07

200 Freestyle SCM

—Final81:45.27

200 Backstroke SCM

—Heat21:53.97

200 Backstroke SCM

—Final61:55.04

200 Butterfly SCM

—Heat51:56.00

200 Butterfly SCM

—Final81:57.95

2024 Speedo Summer Championships · Meet 23–27 Jul 2024

50 Freestyle LCM

—Heat1423.35

100 Freestyle LCM

—Final449.56

100 Freestyle LCM

—Heat549.78

100 Butterfly LCM

—Heat1053.50

200 Freestyle LCM

—Final21:47.01

200 Freestyle LCM

—Heat21:49.20

200 Butterfly LCM

—Final21:55.79

200 Butterfly LCM

—Heat31:58.39

2024 U.S. Olympic Team Trials — Swimming · Lucas Oil Stadium, Indianapolis, IN · Meet 15–23 Jun 2024

50 Freestyle LCM

—Heat2622.49

100 Butterfly LCM

—Semi-Final1052.02

100 Butterfly LCM

—Heat1452.51

200 Freestyle LCM

—Heat211:47.92

200 Butterfly LCM

—Semi-Final51:55.65

200 Butterfly LCM

—Heat51:56.45

200 Butterfly LCM

—Final61:56.63

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

50 Freestyle LCM

—Heat4023.75

100 Butterfly LCM

—Heat2254.59

200 Freestyle LCM

—Heat61:49.60

200 Freestyle LCM

—Final81:51.44

200 Butterfly LCM

—Heat92:00.70

200 Butterfly LCM

—Consolation Final22:00.83

200 IM LCM

—Heat122:04.66

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

100 Backstroke LCM

—Heat4457.27

200 Freestyle LCM

—Heat161:49.24

200 Freestyle LCM

—Consolation Final151:50.06

200 Backstroke LCM

—Consolation Final 2202:02.49

200 Backstroke LCM

—Heat202:02.54

400 Freestyle LCM

—Heat504:01.22

2023 Phillips 66 National Championships — Swimming · Indianapolis, IN · Meet 27 Jun–1 Jul 2023

50 Freestyle LCM

—Heat3122.97

100 Butterfly LCM

—Heat1952.90

100 Butterfly LCM

—Consolation Final1652.97

100 Backstroke LCM

—Heat2555.29

200 Freestyle LCM

—Consolation Final121:47.25

200 Freestyle LCM

—Heat121:47.32

200 Butterfly LCM

—Heat41:55.72

200 Butterfly LCM

—Final61:56.24

2023 TYR Pro Series - Mission Viejo · Knoxville, United States of America · Meet 17–20 May 2023

50 Freestyle LCM

—Heat1823.13

50 Freestyle LCM

—Bonus Final323.36

100 Freestyle LCM

—Heat2550.64

100 Butterfly LCM

—Heat653.42

100 Butterfly LCM

—Final553.98

200 Freestyle LCM

—Final31:48.58

200 Freestyle LCM

—Heat51:49.35

200 Butterfly LCM

—Final21:57.77

200 Butterfly LCM

—Heat21:58.87

2023 NCAA Division I Men's Swimming & Diving Championships · Meet 22–25 Mar 2023

200y Freestyle SCY22 Mar 2023

22 Mar 2023Championship Final51:32.00

200y Freestyle SCY22 Mar 2023

22 Mar 2023Preliminary51:32.06

200y Backstroke SCY22 Mar 2023

22 Mar 2023Preliminary61:38.62

200y Backstroke SCY22 Mar 2023

22 Mar 2023Championship Final71:39.45

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

100 Freestyle LCM

—Heat2250.80

100 Freestyle LCM

—Consolation Final—51.36

100 Butterfly LCM

—Heat1654.51

100 Backstroke LCM

—Heat2557.53

200 Freestyle LCM

—Heat61:50.49

200 Freestyle LCM

—Final81:52.19

200 Butterfly LCM

—Heat102:01.14

200 Butterfly LCM

—Consolation Final—2:01.81

2022 FINA Swimming World Cup · Indianapolis · Meet 3–5 Nov 2022

50 Backstroke SCM

—Heat524.20

100 Butterfly SCM

—Heat855.34

200 Freestyle SCM

—Heat21:44.27

200 Backstroke SCM

—Heat41:54.93

200 Butterfly SCM

—Heat51:55.75

100 Backstroke SCM

—Heat—DNS

2022 NCAA Division I Men's Swimming & Diving Championships · Meet 23–26 Mar 2022

200y Freestyle SCY23 Mar 2022

23 Mar 2022Preliminary91:32.01

200y Freestyle SCY23 Mar 2022

23 Mar 2022Consolation Final131:32.63

200y Backstroke SCY23 Mar 2022

23 Mar 2022Preliminary41:38.85

200y Backstroke SCY23 Mar 2022

23 Mar 2022Championship Final61:40.17

2021 U.S. Olympic Team Trials — Wave II · CHI Health Center, Omaha, NE · Meet 13–20 Jun 2021

50 Freestyle LCM

—Heat4923.02

100 Butterfly LCM

—Heat2153.06

200 Freestyle LCM

—Semi-Final141:47.98

200 Freestyle LCM

—Heat151:48.15

200 Butterfly LCM

—Semi-Final121:58.04

200 Butterfly LCM

—Heat171:58.42

200 Backstroke LCM

—Heat152:00.67

200 Backstroke LCM

—Semi-Final162:03.38

2021 NCAA Division I Men's Swimming & Diving Championships · Meet 24–27 Mar 2021

200y Freestyle SCY24 Mar 2021

24 Mar 2021Preliminary111:32.80

200y Freestyle SCY24 Mar 2021

24 Mar 2021Consolation Final111:32.98

200y Backstroke SCY24 Mar 2021

24 Mar 2021Consolation Final111:40.33

200y Backstroke SCY24 Mar 2021

24 Mar 2021Swim-off101:40.49

2019 Phillips 66 National Championships — Swimming · Stanford, CA · Meet 31 Jul–4 Aug 2019

100 Backstroke LCM

—Heat7357.37

200 Freestyle LCM

—Consolation Final 2191:49.03

200 Freestyle LCM

—Heat221:49.61

200 Butterfly LCM

—Consolation Final91:57.51

200 Butterfly LCM

—Heat121:58.08

400 Freestyle LCM

—Heat683:59.87

2019 NCAA Division I Men's Swimming & Diving Championships · Meet 27–30 Mar 2019

200y Freestyle SCY27 Mar 2019

27 Mar 2019Preliminary211:33.68

200y Backstroke SCY27 Mar 2019

27 Mar 2019Preliminary201:41.20

500y Freestyle SCY27 Mar 2019

27 Mar 2019Preliminary284:16.82

2018 Phillips 66 National Championships — Swimming · Irvine, CA · Meet 25–29 Jul 2018

50 Backstroke LCM

—Heat4126.67

50 Backstroke LCM

—Consolation Final 32726.67

100 Freestyle LCM

—Heat6551.15

100 Backstroke LCM

—Heat4956.65

100 Backstroke LCM

—Consolation Final 33157.02

200 Freestyle LCM

—Consolation Final 3271:50.19

200 Freestyle LCM

—Heat381:50.49

200 Butterfly LCM

—Heat211:59.10

200 Butterfly LCM

—Consolation Final 2191:59.83

200 Backstroke LCM

—Heat632:05.69

2017 Speedo Junior National Championships · East Meadow, NY · Meet 8–12 Aug 2017

100 Freestyle LCM

—Heat5652.89

100 Butterfly LCM

—Bonus Final255.18

100 Butterfly LCM

—Heat2155.46

100 Backstroke LCM

—Final556.77

100 Backstroke LCM

—Heat556.91

200 Butterfly LCM

—Heat92:01.85

200 Butterfly LCM

—Consolation Final42:02.78

200 Backstroke LCM

—Consolation Final32:04.03

200 Backstroke LCM

—Heat142:05.20

2016 Speedo Junior National Championships · Meet 8–12 Aug 2016

100 Butterfly LCM

—Heat4457.34

200 Freestyle LCM

—Heat741:57.99

200 Backstroke LCM

—Heat212:06.55

200 Butterfly LCM

—Heat242:06.96

200 Butterfly LCM

—Bonus Final82:07.04

200 Backstroke LCM

—Bonus Final72:07.36