Tjerk Koolbergen
Netherlands (NED)
September 2011 (MYB)
Season Bests
| 100m | 17,63 | 4 February 2023 | Haarlem (NED) |
| 300m | 49,98 | 4 February 2023 | Haarlem (NED) |
| 100m | 20,19 | 5 February 2022 | Haarlem (NED) |
| 300m | 53,83 | 5 February 2022 | Haarlem (NED) |
Results
| Clubkampioenschap STG VZOD | Haarlem (NED) | 4 February 2023 | ||||||||
|
||||||||||
| Clubkampioenschap STG VZOD 2022 | Haarlem (NED) | 5 February 2022 | ||||||||
|
||||||||||
Native Language Names