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Biographical data for: Jannemijn TJEERDSMA
| Classifications in season 2024/2025: |
| 05/10/24 | Leiden NED | National Competition NED - Hutspot Cup | Junior D Meisjes | | 500 meter: 28th | | 03/11/24 | Heerenveen NED | Regional League NED Noord-Oost 1 | DIVISIE B | | Overall Ranking: 5th, 500 meter: 5th | | 16/11/24 | Groningen NED | Autumn Tournament | Women Junior D | | Overall Ranking: 12th, 500 meter: 10th, 777 meter: 12th | | 23/11/24 | Enschede NED | Regional League NED Noord-Oost 2 | PUP DIVISIE C | | Overall Ranking: 1st, 500 meter: 1st | | 30/12/24 | Leeuwarden NED | Club competition TRIAS | DIV A | | 500 meter: 10th | | 10/01/25 | Leeuwarden NED | Regional League NED Noord-Oost 3 | DIV A | | Overall Ranking: 21st, 500 meter: 21st | | 15/02/25 | Hasselt
BEL | Speculaas Cup - Golden Sun Award 3 | Women Junior-D | | Overall Ranking: 9th, 500 meter: 9th, 777 meter: 8th | | 21/02/25 | Heerenveen NED | StarClass CD-3 | Women Junior D | | Overall Ranking: 44th, 500 meter: 43rd, 777 meter: 42nd, 1000 meter: 45th | | 08/03/25 | Enschede NED | National Junior-DEF NED-Twente Bokaal | Meisjes Junior D | | Overall Ranking: 10th, 500 meter: 10th, 777 meter: 10th | | 09/03/25 | Enschede NED | National League NED-KNSB Cup breed | Divisie C | | Overall Ranking: 4th, 1500 meter: 4th | | 29/03/25 | Leiden NED | Arie Ravensbergen Bokaal | Meisjes jun D | | Overall Ranking: 14th, 500 meter: 14th |
| Results in season 2024/2025: |
| 333 meter |
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| 500 meter |
| 54 | .530 | 22/02/25 | Heerenveen NED | StarClass CD-3 | Final, I | |
| 54 | .588 | 22/02/25 | Heerenveen NED | StarClass CD-3 | Semi Final, D | |
| 54 | .891 | 21/02/25 | Heerenveen NED | StarClass CD-3 | Heats, A | |
| 54 | .914 | 16/02/25 | Hasselt
BEL | Speculaas Cup - Golden Sun Award 3 | Semi Final, Group 2 | |
| 54 | .934 | 29/03/25 | Leiden NED | Arie Ravensbergen Bokaal | Finale, Groep 3 | |
| 55 | .184 | 08/03/25 | Enschede NED | National Junior-DEF NED-Twente Bokaal | Finale, Groep 3 | |
| 55 | .315 | 29/03/25 | Leiden NED | Arie Ravensbergen Bokaal | Kwart Finales, Groep 1 | |
| 55 | .383 | 16/11/24 | Groningen NED | Autumn Tournament | Semi Final, Group 1 | |
| 55 | .478 | 29/03/25 | Leiden NED | Arie Ravensbergen Bokaal | Halve Finales, Groep 1 | |
| 55 | .487 | 16/02/25 | Hasselt
BEL | Speculaas Cup - Golden Sun Award 3 | Quarter Finals, Group 1 | |
| 55 | .489 | 08/03/25 | Enschede NED | National Junior-DEF NED-Twente Bokaal | Halve Finales, Groep 2 | |
| 55 | .648 | 16/02/25 | Hasselt
BEL | Speculaas Cup - Golden Sun Award 3 | Final, Group 3 | |
| 55 | .877 | 08/03/25 | Enschede NED | National Junior-DEF NED-Twente Bokaal | Kwart Finales, Groep 1 | |
| 56 | .003 | 25/01/25 | Leiden NED | National League NED - KNSB Cup breed 2 | Halve Finales, Groep 1 | |
| 56 | .10 | 30/12/24 | Leeuwarden NED | Club competition TRIAS | Halve Finales, Groep 2 | |
| 56 | .105 | 10/01/25 | Leeuwarden NED | Regional League NED Noord-Oost 3 | Kwart Finales, Groep 1 | |
| 56 | .127 | 10/01/25 | Leeuwarden NED | Regional League NED Noord-Oost 3 | Finale, Groep 5 | |
| 56 | .140 | 10/01/25 | Leeuwarden NED | Regional League NED Noord-Oost 3 | Halve Finales, Groep 2 | |
| 56 | .216 | 25/01/25 | Leiden NED | National League NED - KNSB Cup breed 2 | Kwart Finales, Groep 1 | |
| 56 | .268 | 25/01/25 | Leiden NED | National League NED - KNSB Cup breed 2 | Finale, Groep 2 | |
| 56 | .316 | 16/11/24 | Groningen NED | Autumn Tournament | Quarter Finals, Group 1 | |
| 56 | .409 | 16/11/24 | Groningen NED | Autumn Tournament | Final, Group 2 | |
| 56 | .692 | 23/11/24 | Enschede NED | Regional League NED Noord-Oost 2 | Halve Finales, Groep 1 | |
| 56 | .90 | 30/12/24 | Leeuwarden NED | Club competition TRIAS | Finale, Groep 3 | |
| 56 | .952 | 23/11/24 | Enschede NED | Regional League NED Noord-Oost 2 | Finale, Groep 1 | |
| 57 | .252 | 03/11/24 | Heerenveen NED | Regional League NED Noord-Oost 1 | Finale, Groep 2 | |
| 57 | .782 | 23/11/24 | Enschede NED | Regional League NED Noord-Oost 2 | Kwart Finales, Groep 1 | |
| 58 | .520 | 05/10/24 | Leiden NED | National Competition NED - Hutspot Cup | Finale, Groep 6 | |
| 58 | .750 | 05/10/24 | Leiden NED | National Competition NED - Hutspot Cup | Halve Finales, Groep 3 | |
| 1:09 | .019 | 05/10/24 | Leiden NED | National Competition NED - Hutspot Cup | Heats, Groep 1 | |
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| 777 meter |
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| 1000 meter |
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| 1500 meter |
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| 2000 meter relay |
| 3:32 | .907 | 29/03/25 | Leiden NED | Arie Ravensbergen Bokaal | Finale, Groep 1 | |
| (TRIAS MEISJES 1: Jildou De Boer, Jula Huisman, Jannemijn Tjeerdsma, Manou Walta) |
| 3:41 | .160 | 10/01/25 | Leeuwarden NED | Regional League NED Noord-Oost 3 | Finale, Groep 1 | |
| (TRLB: Jildou De Boer, Jula Huisman, Jannemijn Tjeerdsma, Bas Van der Weij) |
| 3:53 | .949 | 03/11/24 | Heerenveen NED | Regional League NED Noord-Oost 1 | Finale, Groep 1 | |
| (Triias Ninjas: Ferry-Jan De Ruiter, Jula Huisman, Jannemijn Tjeerdsma, Jouke Entsje van der Ende) |
| 3:54 | .93 | 30/12/24 | Leeuwarden NED | Club competition TRIAS | Finale, Groep 1 | |
| (Bonkevaart Bobcats: Maud De Boer, Nynke Krol, Jannemijn Tjeerdsma, Yse Marrin van der Heide) |
| 3:56 | .425 | 08/03/25 | Enschede NED | National Junior-DEF NED-Twente Bokaal | Finale, Groep 1 | |
| (Trias 2: Jula Huisman, Sybrich Soepboer, Jannemijn Tjeerdsma, Lars Van der Meer) |
| P | 05/10/24 | Leiden NED | National Competition NED - Hutspot Cup | Finale, Groep 1 | |
| (TRIAS Meisjes 1: Jildou De Boer, Jula Huisman, Jannemijn Tjeerdsma, Jolieke Zijlstra) |
| P | 09/03/25 | Enschede NED | National League NED-KNSB Cup breed | Final, Groep 1 | |
| (Team O: Hylke Nauta, Jannemijn Tjeerdsma, Jurian van Eekelen, Robin Verboom) |
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| 3000 meter relay |
| 5:23 | .901 | 15/02/25 | Hasselt
BEL | Speculaas Cup - Golden Sun Award 3 | Semi Final, Group 1 | |
| (Trias 2: Jildou De Boer, Hessel Kramer, Pier Soepboer, Jannemijn Tjeerdsma) |
| 5:33 | .005 | 25/01/25 | Leiden NED | National League NED - KNSB Cup breed 2 | Finale, Groep 1 | |
| (Team 15: Jitske Bennink, Jannemijn Tjeerdsma, Florine Zunnebeld) |
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