All Time Best Marks
Updated: January 29, 2012

Boys 400 Meter
(times less than 51.5)

Athlete	Time	Year
Wil Vark	48.9	1991
Dan Dwelly	49.3	1998
Sean Blackholly	49.6	1999
Matt Rolfe	49.7	2002
Dave Fair	49.8	1990
Jesse Bueno	49.8	2010
Nolan Grimm	49.9	2010
Mark Gardner	50.0	1987
Adam Foellmi	50.1	1997
Lou Baldelli	50.2	1981
Morris Turner	50.3	1988
Ken Thomas	50.4	2003
Ryan Sanders	50.6	2005
Ryan Easley	50.6	1992
Brad Whitfield	50.6	2000
Mitch Allen	50.9	2006
Ace Perkins	50.9	2006
Nick Resendes	50.9	2011
Ryan Hankes	51.0	2005
Mark Concar	51.0	1978
Bryan Helmick	51.0	1995
Ryan Conzelman	51.0	1996
Austin Oblouk	51.0	2009
Toby Villalva	51.2	2009
Ken Young	51.4	1975
Stephen Miller	51.5	1974
Colin Lavin	51.5	1994