Following are the results for event 20, filtered to show race 1 semi-finals races.
| Semi-final 1 | [ race results ] | |||
|---|---|---|---|---|
| 1st | Kavanagh College [now Trinity] 1 | [ crew ] | 8:19.52 | 20.1.4 |
| 2nd | Cambridge High School 1 | [ crew ] | 8:22.24 | 20.1.5 |
| 3rd | St Hilda's Collegiate 1 | [ crew ] | 8:30.70 | 20.1.3 |
| 4th | Aquinas College 1 | [ crew ] | 8:41.20 | 20.1.2 |
| 5th | St Hilda's Collegiate 2 | [ crew ] | 8:46.95 | 20.1.6 |
| 6th | Otago Girls High School 1 | [ crew ] | 9:00.81 | 20.1.7 |
| 7th | Iona College 1 | [ crew ] | 9:04.31 | 20.1.8 |
| 8th | St Hilda's Collegiate 3 | [ crew ] | 9:16.65 | 20.1.1 |