Matthew Marsteiner

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

—3:55.08

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

—8:09.67

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

—15:41.34

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

—2:01.68

All Results 19 swims · 4 meets

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

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

200 Butterfly LCM

—Heat512:02.15

400 Freestyle LCM

—Heat363:55.08

800 Freestyle LCM

—Heat418:10.04

1500 Freestyle LCM

—Heat4816:15.31

2023 Speedo Winter Junior Champs · Meet 6–9 Dec 2023

200 Freestyle SCY

—Heat91:37.75

200 Freestyle SCY

—Consolation Final81:38.66

200 Butterfly SCY

—Heat111:46.91

500 Freestyle SCY

—Final64:19.80

500 Freestyle SCY

—Heat74:21.86

1650 Freestyle SCY

—Final715:14.50

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

200 Butterfly LCM

—Heat102:01.68

400 Freestyle LCM

—Bonus Final183:55.26

400 Freestyle LCM

—Heat233:58.64

800 Freestyle LCM

—Final108:09.67

1500 Freestyle LCM

—Final1315:41.34

2021 East Speedo Winter Junior Championships · Meet 8–11 Dec 2021

200 Freestyle SCY

—Heat491:40.71

200 Butterfly SCY

—Heat531:50.76

500 Freestyle SCY

—Heat424:32.42

1650 Freestyle SCY

—Final715:26.47