| Mark Graham's OFSAA Record | ||
| 1989 | Junior Boys 400 m. Champion | 49.91 |
| 1990 | Junior Boys 400 m. Champion | 48.12 |
| 1991 | Senior Boys 400 m. Champion | 47.06 |
| 1991 | Senior Boys 200 m. Champion (photo) | 21.52 |
| 1992 | Senior Boys 400 m. Champion | 47.40 |
<---Graham over Esmie OFSAA SB 200 - Sudbury 1991 (21.52)