Guus Grootoonk
Netherlands (NED)
February 2012 (MC1)
Personal Records
| 500m | 52,33 | 9 March 2025 | Den Haag (NED) |
| 1000m | 1.55,15 | 19 January 2025 | Den Haag (NED) |
Season Bests
| 100m | 13,37 | 5 January 2025 | Den Haag (NED) |
| 300m | 33,76 | 10 November 2024 | Den Haag (NED) |
| 500m | 52,33 | 9 March 2025 | Den Haag (NED) |
| 1000m | 1.55,15 | 19 January 2025 | Den Haag (NED) |
| 100m | 14,34 | 17 March 2024 | Den Haag (NED) |
| 300m | 38,90 | 7 January 2024 | Den Haag (NED) |
| 500m | 1.00,87 | 14 January 2024 | Den Haag (NED) |
| 100m | 15,28 | 22 January 2023 | Den Haag (NED) |
| 300m | 40,85 | 22 January 2023 | Den Haag (NED) |
| 500m | 1.06,82 | 19 March 2023 | Den Haag (NED) |
| 100m | 17,42 | 20 March 2022 | Den Haag (NED) |
| 300m | 51,10 | 20 March 2022 | Den Haag (NED) |
| 500m | 1.25,89 | 15 January 2022 | Rotterdam (NED) |
Results
| CK SIL 2025 | Den Haag (NED) | 9 March 2025 | ||||||||||||
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| Baancompetitie Pupillen | Den Haag (NED) | 19 January 2025 | ||||||||||||
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| ZHK Pupillen | Den Haag (NED) | 12 January 2025 | ||||||||||||
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| Baancompetitie Pupillen + Jun A en Ouder | Den Haag (NED) | 5 January 2025 | ||||||||||||
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| 36e Veldwachter Hans Internatioaal Pupillen Toernooi | Deventer (NED) | 30 November 2024 | ||||||||||||
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Native Language Names