| Class category | Class | Competitors |
|---|---|---|
| Interschool | 2 - Wairarapa Weedsprayers Accumulator - 80cm | Gaby Williams · M J B Bear |
| Interschool | 6 - C R Nelson Ltd Derby - 80cm | Gaby Williams · M J B Bear |
| Interschool | 7 - J G Griffith Ltd 2 Phase - 80cm | Gaby Williams · M J B Bear |
