| Athletes |
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Biographical data for: Marijn WIERSMA
| Classifications in season 2017/2018: |
| 02/09/17 | Heerenveen NED | KNSB Cup 1 | Divisie C | | Overall Ranking: 4th, 1000 meter: 4th | | 22/09/17 | Heerenveen NED | Selectiewedstrijd Worldcups | Dames | | Overall Ranking: 4th, 500 meter: 7th, 1000 meter: 5th | | 14/10/17 | Zoetermeer NED | KNSB Cup 2 | Divisie B | | Overall Ranking: 9th, 1500 meter: 9th | | 20/10/17 | Bormio ITA | Alta Valtellina Trophy | JUN B LAD | | Overall Ranking: 1st, 500 meter: 2nd, 1000 meter: 1st, 1500 meter: 1st | | 01/12/17 | Oberstdorf GER | Starclass-4 (SAB-2) | Ladies Junior B | | Overall Ranking: 1st, 500 meter: 2nd, 1000 meter: 1st, 1500 meter: 1st | | 09/12/17 | Heerenveen NED | KNSB Cup 4 | Divisie C | | Overall Ranking: 8th, 500 meter: 8th | | 06/01/18 | Heerenveen NED | National Championships Netherlands | Dames | | Overall Ranking: 5th, 500 meter: 6th, 1000 meter: 7th, 1500 meter: 2nd | | 09/02/18 | Leeuwarden NED | Starclass-6 (SAB-3) | Ladies Junior B | | Overall Ranking: 5th, 500 meter: 4th, 1000 meter: 3rd, 1500 meter: 6th | | 16/02/18 | Heerenveen NED | National Trials WC-Juniors | Dames | | 2 laps FS: 2nd, 500 meter: 2nd, 1000 meter: 1st, 1500 m SF: 2nd | | 17/02/18 | Heerenveen NED | KNSB Cup 6 | Divisie A | | Overall Ranking: 21st, 1500 meter: 21st | | 02/03/18 | Tomaszow Mazowiecki POL | World Junior Championships | Ladies | | 500 m: 20th, 1000 m: 4th | | 17/03/18 | Utrecht NED | National Championships Netherlands Juniors - Regional League Final | Dames Junioren B | | Overall Ranking: 2nd, 500 meter: 2nd, 1000 meter: 4th, 1500 meter: 1st | | 23/03/18 | Ventspils LAT | Europa Cup Final | Ladies Junior B | | Overall Ranking: 5th, 500 meter: 4th, 1000 meter: 5th, 1500 meter: 14th |
| Results in season 2017/2018: |
| 222 meter |
| 18 | .726 | 16/02/18 | Heerenveen NED | National Trials WC-Juniors | Heats | |
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| 500 meter |
| 45 | .257 | 03/03/18 | Tomaszow Mazowiecki POL | World Junior Championships | Heats | |
| 45 | .719 | 21/10/17 | Bormio ITA | Alta Valtellina Trophy | Final, Group 1 |  |
| 45 | .906 | 16/02/18 | Heerenveen NED | National Trials WC-Juniors | Finale, A | |
| 46 | .023 | 02/12/17 | Oberstdorf GER | Starclass-4 (SAB-2) | Semi Finals, Group 1 | |
| 46 | .066 | 24/03/18 | Ventspils LAT | Europa Cup Final | Semi Final, Group 1 | |
| 46 | .151 | 10/02/18 | Leeuwarden NED | Starclass-6 (SAB-3) | Quarter Finals, Group 1 | |
| 46 | .158 | 09/12/17 | Heerenveen NED | KNSB Cup 4 | Finale, Groep 2 | |
| 46 | .186 | 02/12/17 | Oberstdorf GER | Starclass-4 (SAB-2) | Final, Group 1 | |
| 46 | .288 | 16/02/18 | Heerenveen NED | National Trials WC-Juniors | Halve finale | |
| 46 | .288 | 03/03/18 | Tomaszow Mazowiecki POL | World Junior Championships | Quarterfinals | |
| 46 | .407 | 09/12/17 | Heerenveen NED | KNSB Cup 4 | Halve Finales, Groep 1 | |
| 46 | .457 | 09/12/17 | Heerenveen NED | KNSB Cup 4 | Heats, Groep 1 | |
| 46 | .514 | 21/10/17 | Bormio ITA | Alta Valtellina Trophy | Semi Final, Group 1 | |
| 46 | .575 | 18/03/18 | Utrecht NED | National Championships Netherlands Juniors - Regional League Final | Finale, A | |
| 46 | .621 | 20/10/17 | Bormio ITA | Alta Valtellina Trophy | Heats, Group 1 | |
| 46 | .628 | 06/01/18 | Heerenveen NED | National Championships Netherlands | Heats | |
| 46 | .696 | 22/09/17 | Heerenveen NED | Selectiewedstrijd Worldcups Error performing query 1a | | | |
