Athlete Data of Jan Koostra
- Nationality:
- Netherlands
- Gender:
- Men
- Current state:
- Retired (n/a)
- Last competition:
- 17.11.1990
Skated Distances:
Total 1 competitions over the Allround distance | Time / Points | Rank | Competition | Date | Location |
|---|
| 44.00 | 3 | Gewestelijke Jeugd | 17.11.1990 | Groningen (NED) |
| Last Update: 30.11.2025 |
|---|
Total 1 competitions over the Allround distance | Time / Points | Rank | Competition | Date | Location |
|---|
| 55.30 | 4 | Gewestelijke Jeugd | 17.11.1990 | Groningen (NED) |
| Last Update: 30.11.2025 |
|---|
Total 1 competitions over the Allround distance | Time / Points | Rank | Competition | Date | Location |
|---|
| 99.300 | 3 | Gewestelijke Jeugd | 17.11.1990 | Groningen (NED) |
| Last Update: 30.11.2025 |
|---|