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Athlete Data of J Koolstra

Profile image of J Koolstra
Nationality:
Netherlands
Gender:
Men
Current state:
Retired (n/a)
Last competition:
22.12.1938

Skated Distances:

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Total 1 competitions over the Allround distance
Time / PointsRankCompetitionDateLocation
1:00.30 6 Nationale Proefwedstrijden 22.12.1938 Gravendeel (NED)
Last Update: 27.11.2025
Total 1 competitions over the Allround distance
Time / PointsRankCompetitionDateLocation
3:11.20 7 Nationale Proefwedstrijden 22.12.1938 Gravendeel (NED)
Last Update: 27.11.2025
Total 1 competitions over the Allround distance
Time / PointsRankCompetitionDateLocation
124.033 6 Nationale Proefwedstrijden 22.12.1938 Gravendeel (NED)
Last Update: 27.11.2025