Jef Mariën
Belgium (BEL) (MA2)
Personal Records
| 500m | 42,92 | 5 January 2019 | Inzell (GER) |
| 1000m | 1.26,00 | 13 January 2019 | Tilburg (NED) |
| 1500m | 2.09,92 | 6 January 2019 | Inzell (GER) |
| 3000m | 4.33,02 | 5 January 2019 | Inzell (GER) |
Season Bests
| 500m | 43,53 | 20 July 2019 | Heerenveen (NED) |
| 1500m | 2.13,42 | 20 July 2019 | Heerenveen (NED) |
| 500m | 42,92 | 5 January 2019 | Inzell (GER) |
| 1000m | 1.26,00 | 13 January 2019 | Tilburg (NED) |
| 1500m | 2.09,92 | 6 January 2019 | Inzell (GER) |
| 3000m | 4.33,02 | 5 January 2019 | Inzell (GER) |
| 500m | 44,18 | 24 March 2018 | Den Haag (NED) |
| 1000m | 1.34,08 | 16 December 2017 | Eindhoven (NED) |
| 1500m | 2.25,73 | 17 December 2017 | Eindhoven (NED) |
| 3000m | 4.52,40 | 24 March 2018 | Den Haag (NED) |
Results
| Thialf Summer Cup 2019 | Heerenveen (NED) | 20 July 2019 | ||||||||||||
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| Great Britain - Long Track Championships 2019 | Den Haag (NED) | 23 - 24 March 2019 | ||||||||||||
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| Belgium - National Championships 2019 | Eindhoven (NED) | 9 - 10 March 2019 | ||||||||||||
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| Baanwedstrijd 10 | Eindhoven (NED) | 24 February 2019 | ||||||||||||
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| Baanwedstrijd vanaf Pupillen | Breda (NED) | 17 February 2019 | ||||||||||||
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Native Language Names