| Name: Thirza | Surname: SIERDSMA | Country: NED  | SEASON: 2022/2023 » |
| 500 m | |||||||||
| 2674 | 2554 | 42,40 | Thirza | SIERDSMA | 00-08-02 | NED | 2 | Heerenveen | 21-12-18 |
| 1000 m | |||||||||
| 2604 | 2487 | 1.24,86 | Thirza | SIERDSMA | 00-08-02 | NED | 3 | Leeuwarden | 19-12-22 |
| 1500 m | |||||||||
| 2157 | 2074 | 2.09,86 | Thirza | SIERDSMA | 00-08-02 | NED | 1 | Heerenveen | 20-01-20 |
| 3000 m | |||||||||
| 2235 | 2155 | 4.38,45 | Thirza | SIERDSMA | 00-08-02 | NED | 4 | Heerenveen | 19-11-18 |
| Fast | |||||||||||||
| 2319 | 2212 | 128,116 | Thirza | SIERDSMA | 00-08-02 | NED | 42,40 | 1.24,86 | 2.09,86 | -- | -- | -- | 22 |
| Mini | |||||||||||||
| 2185 | 2098 | 174,524 | Thirza | SIERDSMA | 00-08-02 | NED | 42,40 | 1.24,86 | 2.09,86 | 4.38,45 | -- | -- | 22 |
| Sprint | |||||||||||||
| 2563 | 2448 | 84,830 | Thirza | SIERDSMA | 00-08-02 | NED | 42,40 | 1.24,86 | -- | -- | -- | -- | 22 |
