grassy knoll wrote:
Everyone is suspicious, right?
Cacho 1988-1989 (11.08 sec. improvement)
Silva 1997-1998 (10.6)
Ngeny 1996-1997 (9.53)
Ramzi 2003-2004 (9.05)
Lagat 1997-1998 (6.71)
Willis 2002-2003 (6.28)
Morceli 1989-1990 (5.27)
Kiprop 2007-2008 (3.8)
El G 1994-1995 (2.55)
Another relevant consideration: age when achieving the big improvement in time:
Cacho 20-21
Silva 20-21
Ngeny 17-18
Ramzi 23-24
Willis 19-20
Morceli 19-20
Kiprop 18-19
El Guerrouj 19-20