| Rank | Athlete | Year | Rounds | Strokes | Average |
| 1 | Billy Musto | 1981-82 | 4 | 5 | 1.25 |
| Duncan Weir | 1981-82 | 4 | 5 | 1.25 | |
| 3 | John McHenry | 1985-86 | 10 | 14 | 1.40 |
| 4 | Tim Pemberton | 2001-02 | 11 | 17 | 1.55 |
| Mark Urbanek | 2000-01 | 11 | 17 | 1.55 | |
| 6 | John McHenry | 1983-84 | 7 | 13 | 1.86 |
| 7 | Gary Barton | 2004-05 | 12 | 25 | 2.08 |
| 8 | Gary Barton | 2003-04 | 11 | 27 | 2.45 |
| 9 | Gary Barton | 2002-03 | 7 | 19 | 2.71 |
| 10 | Adam Holman | 2001-02 | 8 | 24 | 3.00 |
| Alex Sleeker | 1996-97 | 8 | 24 | 3.00 |