Athletics Tracker
by Dr Marco Cardinale
Development Curves
Athletes
Compare
Data
Diagnostics
Go
Yemi Mary John
GBR
Born 03 May 2003
Female
Events
400 Metres
track
400 Metres
PB:
49.85
seconds
Season Bests & Year-on-Year Change
Performance
% Change
Season Bests
Year
Season Best
Age
vs Prior Year
% Change
2026
49.85
23.0
+0.65
+1.29%
PB
2025
50.50
nan
+0.68
+1.33%
PB
2024
51.18
nan
-0.14
-0.27%
2023
51.04
nan
+0.46
+0.89%
PB
2022
51.50
nan
+nan
+nan%
PB