| John Mastin record |
|---|
| Year | School | Won | Lost | Title | Class |
|---|
| 1984 | Charlestown | 5 | 5 | | 2 |
| 1985 | Charlestown | 4 | 5 | | 3 |
| 1986 | Charlestown | 6 | 3 | | 3 |
| 1987 | Charlestown | 9 | 2 | | 3 |
| 1988 | Charlestown | 8 | 1 | | 3 |
| 1989 | Charlestown | 12 | 1 | regional | 3 |
| 1990 | Charlestown | 7 | 3 | | 3 |
| 1991 | Charlestown | 7 | 4 | | 3 |
| 1992 | Charlestown | 4 | 6 | | 3 |
| 1993 | Charlestown | 8 | 4 | sectional | 3 |
| 1994 | Charlestown | 4 | 5 | | 3 |
| 1995 | Charlestown | 3 | 6 | | 3 |
| 1996 | Charlestown | 8 | 4 | sectional | 3 |
| 1997 | Charlestown | 2 | 8 | | 2 |
| 1998 | Charlestown | 7 | 4 | | 2 |
| 1999 | Charlestown | 1 | 9 | | 2 |
| 2000 | Charlestown | 6 | 4 | | 2 |
| 2001 | Charlestown | 6 | 4 | | 2 |
| 2002 | Charlestown | 2 | 8 | | 2 |
| 2003 | Charlestown | 3 | 7 | | 2 |