Jonathon Marshall

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 Olympic Games Paris · Meet 26 Jul–11 Aug 2024

200 Backstroke

100 Butterfly

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

100 Backstroke LCM

—Semifinal853.46

100 Backstroke LCM

—Heat653.93

100 Butterfly LCM

—Final11457.39

100 Backstroke LCM

—Final5357.51

200 Backstroke LCM

—Final522:07.04