Siem Bertens
Netherlands (NED)
January 2012 (MYB)
Season Bests
| 100m | 13,67 | 11 March 2023 | Tilburg (NED) |
| 300m | 35,94 | 11 March 2023 | Tilburg (NED) |
| 100m | 14,36 | 19 March 2022 | Tilburg (NED) |
| 300m | 38,27 | 19 March 2022 | Tilburg (NED) |
| 100m | 16,19 | 15 February 2020 | Tilburg (NED) |
| 300m | 45,03 | 15 February 2020 | Tilburg (NED) |
| 100m | 20,32 | 16 March 2019 | Tilburg (NED) |
| 300m | 50,58 | 16 March 2019 | Tilburg (NED) |
Results
| Clubkampioenschappen de Vennen en Braga | Tilburg (NED) | 11 March 2023 | ||||||||
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| Promotiewedstrijd 2 Recreatieve Jeugd Tilburg | Tilburg (NED) | 28 January 2023 | ||||||||
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| Promotiewedstrijd 1 Kleine Baan Jeugd Tilburg | Tilburg (NED) | 12 November 2022 | ||||||||
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| Clubkampioenschappen de Vennen | Tilburg (NED) | 19 March 2022 | ||||||||
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| Promotiewedstrijd 2 Kleine Jeugd Tilburg | Tilburg (NED) | 12 February 2022 | ||||||||
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Native Language Names