World vs Japan
How the gap between the Japanese record and the world record has changed over time.
Men · Current Gap
+0.37
World9.58Usain Bolt
Japan9.95Ryota Yamagata
Women · Current Gap
+0.72
World10.49Florence Griffith-Joyner
Japan11.21Chisato Fukushima
Record progressions
World and Japan record progressions.
Men
Current
WR9.58Usain Bolt· 2009
JPN9.95Ryota Yamagata· 2021
Women
Current
WR10.49Florence Griffith-Joyner· 1988
JPN11.21Chisato Fukushima· 2010
The gap over time
How the gap between the world and Japan records has moved.
Men
+0.37Current
WR9.58Usain Bolt· 2009
JPN9.95Ryota Yamagata· 2021
Women
+0.72Current
WR10.49Florence Griffith-Joyner· 1988
JPN11.21Chisato Fukushima· 2010
What this chart shows
The closer the line gets to zero, the closer Japan is to the world record; when it rises, the world record is pulling away. The gap is plotted at every record change — world or national — so the line always reflects the gap at that moment.