| Class category | Class | Competitors |
|---|---|---|
| Equestrian | 2420 - Sue Yearbury Memorial Equestrienne Event | Isobel Martinez · Priceless |
| Equestrian | 2426 - The 1990 Perpetual Trophy for Mares Under Saddle | Isobel Martinez · Priceless |
| Equestrian | 2518 - Open Gentleman's Park Hack on Type (conformation class) lady or gentleman rider | Isobel Martinez · Priceless |
| Equestrian | 2520 - Open Park Hack Heavyweight | Isobel Martinez · Priceless |
