Katie McCarthy

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 Speedo Junior National Championships — Swimming · San Antonio, TX · Meet 31 Jul–4 Aug 2023

—2:03.78

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

—4:11.57

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

—8:34.35

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

—16:45.35

100 Backstroke

2022 TYR Pro Swim Series - San Antonio · San Antonio, United States of America · Meet 30 Mar–2 Apr 2022

—1:06.97

200 Backstroke

2022 TYR Pro Swim Series - San Antonio · San Antonio, United States of America · Meet 30 Mar–2 Apr 2022

—2:20.40

2023 Speedo Junior National Championships — Swimming · San Antonio, TX · Meet 31 Jul–4 Aug 2023

—2:19.83

2023 Speedo Junior National Championships — Swimming · San Antonio, TX · Meet 31 Jul–4 Aug 2023

—4:47.31

All Results 50 swims · 9 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

400y IM SCY18 Mar 2026

18 Mar 2026Preliminary314:11.55

500y Freestyle SCY18 Mar 2026

18 Mar 2026Preliminary234:40.82

1650y Freestyle SCY18 Mar 2026

18 Mar 2026Final1116:03.41

2026 Big Ten Women's Swimming and Diving Championships · Meet 18–21 Feb 2026

400 IM SCY

—Preliminary44:06.49

400 IM SCY

—Championship Final84:10.02

500 Freestyle SCY

—Bonus Final174:42.32

500 Freestyle SCY

—Preliminary184:47.81

1650 Freestyle SCY

—Final516:05.46

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

400 Freestyle LCM

—Consolation Final124:11.57

400 Freestyle LCM

—Heat114:12.16

400 IM LCM

—Heat214:50.71

800 Freestyle LCM

—Heat88:34.35

1500 Freestyle LCM

—Heat2016:45.35

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

400y IM SCY19 Mar 2025

19 Mar 2025Preliminary284:11.42

500y Freestyle SCY19 Mar 2025

19 Mar 2025Preliminary254:39.71

1650y Freestyle SCY19 Mar 2025

19 Mar 2025Final2716:10.92

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

400 Freestyle LCM

—Heat344:14.90

400 IM LCM

—Heat144:47.99

800 Freestyle LCM

—Heat168:41.00

1500 Freestyle LCM

—Heat3116:56.72

2024 NCAA Division I Women's Swimming & Diving Championships · Meet 20–23 Mar 2024

400y IM SCY20 Mar 2024

20 Mar 2024Preliminary264:10.59

500y Freestyle SCY20 Mar 2024

20 Mar 2024Preliminary564:46.20

1650y Freestyle SCY20 Mar 2024

20 Mar 2024Final3716:18.09

2023 Speedo Junior National Championships — Swimming · San Antonio, TX · Meet 31 Jul–4 Aug 2023

200 Freestyle LCM

—Heat162:03.78

200 Freestyle LCM

—Consolation Final142:04.30

200 IM LCM

—Heat192:19.83

400 Freestyle LCM

—Heat84:17.72

400 Freestyle LCM

—Final84:18.91

400 IM LCM

—Final34:47.31

400 IM LCM

—Heat34:48.39

800 Freestyle LCM

—Final88:44.97

1500 Freestyle LCM

—Final516:45.67

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

400 Freestyle LCM

—Consolation Final 3274:14.89

400 Freestyle LCM

—Heat374:17.38

400 IM LCM

—Consolation Final134:48.60

400 IM LCM

—Heat164:49.61

800 Freestyle LCM

—Heat318:48.78

1500 Freestyle LCM

—Heat3016:53.62

2022 TYR Pro Swim Series - San Antonio · San Antonio, United States of America · Meet 30 Mar–2 Apr 2022

100 Backstroke LCM

—Heat231:06.97

100 Backstroke LCM

—Bonus Final241:07.45

200 Freestyle LCM

—Bonus Final202:05.75

200 Freestyle LCM

—Heat272:06.10

200 Backstroke LCM

—Consolation Final122:20.40

200 Backstroke LCM

—Heat152:21.91

200 IM LCM

—Consolation Final132:21.96

200 IM LCM

—Heat162:22.88

400 Freestyle LCM

—Consolation Final124:25.75

400 Freestyle LCM

—Heat114:26.10

400 IM LCM

—Final34:53.29

400 IM LCM

—Heat24:54.35