| 1) | Izzo, Daniella | Rider | 3.35m (12/09) | 3.35m (01/12) | 3.35m (12/01) | 3.30m (01/19) | 3.25m (02/02) | 3.20m (02/17-02/18) | 3.20m (01/12) | 3.20m (01/25-01/26) |
| 2) | Sachar, Savanna | Monmouth | 3.35m (12/01-12/02) | 3.20m (12/09) | 3.20m (12/01-12/02) | 3.15m (01/26-01/27) | 3.05m (01/13) | 3.05m (12/01-12/02) | 3.05m (02/09) | 3.05m (01/19) |