- Events
- 2
- Win rate
- 0
- Podium rate
- 0
- Typically beats
- 82%
12 races · 1 race win
0 wins in 2 events
0 top-three finishes
of boats faced (range 73%–90%, 53 boats)
Partnerships · 0 sailors
No crew lists in the archive name anyone sailing with Jan Ostermann.
Event history · 2
| Date | Event | Boat | Class | Role | Finish |
|---|---|---|---|---|---|
| 29 Aug 2026 | Strander KÜZ Regatta | Jetstream | Optimist | Skipper | 7th / 35 |
| 3 Aug 2026 | Störtebeker Opti Cup 2026 | Jetstream | Optimist | Skipper | 4th / 20 |
Helm rating, Full-size sailing: 103. Compiled from public results; not an official ranking.