| Name: Thirza | Surname: SIERDSMA | Country: NED  | SEASON: 2017/2018 » |
| 500 m | |||||||||
| - | 43,24 | Thirza | SIERDSMA | 00-08-02 | NED | 11 | Heerenveen | 17-03-04 | |
| 1000 m | |||||||||
| 2426 | 2302 | 1.25,65 | Thirza | SIERDSMA | 00-08-02 | NED | 11 | Heerenveen | 17-03-03 |
| 1500 m | |||||||||
| 2249 | 2140 | 2.11,89 | Thirza | SIERDSMA | 00-08-02 | NED | 12 | Heerenveen | 17-03-04 |
| 3000 m | |||||||||
| - | 4.45,83 | Thirza | SIERDSMA | 00-08-02 | NED | 12 | Heerenveen | 18-03-03 | |
| Fast | |||||||||||||
| 2440 | 2313 | 130,028 | Thirza | SIERDSMA | 00-08-02 | NED | 43,24 | 1.25,65 | 2.11,89 | -- | -- | -- | 17 |
| Mini | |||||||||||||
| 2411 | 177,666 | Thirza | SIERDSMA | 00-08-02 | NED | 43,24 | 1.25,65 | 2.11,89 | 4.45,83 | -- | -- | 18 | |
