Jonathan Simms

USA Born 08 Jan 2007 Male
Events
400 Metres track

400 Metres

PB: 43.92 seconds
Season Bests & Year-on-Year Change
Season Bests
Year Season Best Age vs Prior Year % Change
2026 43.92 19.4 +1.24 +2.75% PB
2023 45.16 16.6 +nan +nan% PB