| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Conan Moynihan | St Bede's College | 23.72q |
| 2 | Matthew Robinson | Southland Boys High School | 23.73q |
| 3 | Joel Armstrong | Middleton Grange School | 23.74q |
| 4 | Cameron Richards | Nelson College | 24.59q |
| 5 | Nathan Freitas | Mt Hutt College | 25.21 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Teryn McLaren | Kings High School | 23.28q |
| 2 | Jason Wright | Waitaki Boys' High School | 23.78q |
| 3 | Taylor Fiddes | Taieri College | 24.53q |
| 4 | Matthew Milmine | Waitaki Boys' High School | 24.62q |
| 5 | Troy Wyatt | St Peter's College (Gore) | 25.03 |
| -- | Misi Selave | St Thomas Of Canterbury Colleg | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Matthew Robinson | Southland Boys High School | 23.02 |
| 2 | Teryn McLaren | Kings High School | 23.37 |
| 3 | Joel Armstrong | Middleton Grange School | 23.37 |
| 4 | Conan Moynihan | St Bede's College | 23.64 |
| 5 | Jason Wright | Waitaki Boys' High School | 23.92 |
| 6 | Taylor Fiddes | Taieri College | 24.41 |
| 7 | Cameron Richards | Nelson College | 24.62 |
| 8 | Matthew Milmine | Waitaki Boys' High School | 24.93 |