PIAA Boys’ Track & Field Individual Champions – 400-Meter Dash
| Year | Winner (School) | Class | Championship Time & Runner-Up |
| 2012 | Oliver Philogene (Seneca Valley) | 3A | 47.43 |
| 2007 | Derek Moye (Rochester) | 2A | 48.04 |
| 1998 | Dean Jackson (Northgate) | 2A | 49.19 |
| 1996 | Ben Karcz (West Allegheny) | 2A | 49.85 |
| 1991 | Lew Lawhorn (Kiski Area) | 3A | 47.49 |
| 1988 | Bob Samuels (Farrell) | 2A | 49.49 |
| 1987 | Bob Samuels (Farrell) | 2A | 48.48 |
| 1986 | James Law (Rochester) | 2A | 49.24 |
| 1985 | Chris Layton (Baldwin) | 3A | 48.98 |
| 1983 | Clinton Davis (Steel Valley) # | 2A | 46.27 |
| 1982 | Clinton Davis (Steel Valley) | 2A | 46.29 |
# – Denotes PIAA record.
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