| Athletes |
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Biographical data for: Tjeerd DE GROOT
| Classifications in season 2025/2026: |
| Results in season 2025/2026: |
| 222 meter |
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| 333 meter |
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| 444 meter |
| 1:31 | .684 | 16/11/25 | Utrecht NED | Regional league NED West 1 - Sebra Sports Cup | Final, Group 2 | |
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| 500 meter |
| 1:15 | .498 | 11/01/26 | Alkmaar NED | Regional League NED West 3 - Sebra Sports Cup | Final, Group 3 | |
| 1:17 | .89 | 24/01/26 | Dordrecht NED | Regional League NED West 4 - Sebra Sports Cup | Final, Group 2 | |
| 1:17 | .97 | 22/11/25 | Den Haag NED | Regional League NED West 2 - Sebra Sports Cup | Final, Group 3 | |
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| 1333 meter relay |
| 3:34 | .00 | 24/01/26 | Dordrecht NED | Regional League NED West 4 - Sebra Sports Cup | Final, Group 1 | |
| (Ice Bears: Tjeerd De Groot, Casper Meulmeester, Jack van den Brand) |
| 3:38 | .19 | 22/11/25 | Den Haag NED | Regional League NED West 2 - Sebra Sports Cup | Final, Group 1 | |
| (Team B: Anouschka Belt Buitenhuis, Tjeerd De Groot, Milas Kemner, Jack van den Brand) |
| 3:50 | .299 | 16/11/25 | Utrecht NED | Regional league NED West 1 - Sebra Sports Cup | Final, Group 1 | |
| (Team F2: Loes Bijwaard, Tjeerd De Groot, Allan Govaert, Pem van der Knaap) |
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