Athletics Tracker
by Dr Marco Cardinale
Development Curves
Athletes
Compare
Data
Diagnostics
Go
Rachel Joseph
USA
Born 26 Mar 2004
Female
Events
400 Metres
track
400 Metres
PB:
50.08
seconds
Season Bests & Year-on-Year Change
Performance
% Change
Season Bests
Year
Season Best
Age
vs Prior Year
% Change
2026
50.08
22.1
+0.58
+1.14%
PB
2025
50.66
21.2
+0.08
+0.16%
PB
2024
50.74
20.2
+nan
+nan%
PB