| Name: Klaas | Surname: KOOISTRA | Country: NED  | SEASON: 2020/2021 » |
| 500 m | |||||||||
| 7416 | 7261 | 39,54 | Klaas | KOOISTRA | 89-10-27 | NED | 8 | Heerenveen | 08-01-28 |
| 1000 m | |||||||||
| 5468 | 5335 | 1.18,07 | Klaas | KOOISTRA | 89-10-27 | NED | 5 | Heerenveen | 08-01-28 |
| 1500 m | |||||||||
| 4136 | 4036 | 1.58,26 | Klaas | KOOISTRA | 89-10-27 | NED | 14 | Heerenveen | 08-03-10 |
| 3000 m | |||||||||
| 2341 | 2281 | 4.07,76 | Klaas | KOOISTRA | 89-10-27 | NED | 5 | Heerenveen | 08-03-09 |
| 5000 m | |||||||||
| 2498 | 2445 | 7.10,06 | Klaas | KOOISTRA | 89-10-27 | NED | 3 | Heerenveen | 08-03-17 |
| Fast | |||||||||||||
| 5050 | 4925 | 117,995 | Klaas | KOOISTRA | 89-10-27 | NED | 39,54 | 1.18,07 | 1.58,26 | -- | -- | -- | 08 |
| Mini | |||||||||||||
| 3764 | 3671 | 159,288 | Klaas | KOOISTRA | 89-10-27 | NED | 39,54 | 1.18,07 | 1.58,26 | 4.07,76 | -- | -- | 08 |
| Small | |||||||||||||
| 2921 | 2852 | 163,259 | Klaas | KOOISTRA | 89-10-27 | NED | 39,54 | -- | 1.58,26 | 4.07,76 | 7.10,06 | -- | 08 |
| Sprint | |||||||||||||
| 6066 | 5929 | 78,575 | Klaas | KOOISTRA | 89-10-27 | NED | 39,54 | 1.18,07 | -- | -- | -- | -- | 08 |
