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Blazej Kostrzewa is a competitive kart racing driver from Poland, currently ranked #2 in the world in the ROK-JR category with a WKR Rating of 349.9 from 3 counted races, and holds world rankings in 2 categories. Rankings by World Karting Rankings, updated August 3, 2026.
Blazej holds P2 of 50 ranked drivers in the ROK-JR world standings, with a WKR Rating of 349.9 built from 6 counted races — inside the top tenth of the world field.
Beyond the main class, Blazej is also classified P90 in OK-Junior this season.
Blazej’s most recent final in our database was P2 at ROK Cup Italia 2026 R3 Franciacorta on 3 May 2026, with a best recent result of P1 at ROK Cup Italia 2026 R2 Viterbo.
In the fight for ROK-JR positions, Blazej trails Adrian Potepa (P1) by 6.3 rating points and holds a 72.2-point margin over Julian Dacosta (P3).
Races this driver has competed in that are in our database and count toward their WKR rank — these are participations, not race results.
Blazej Kostrzewa has 6 counted race participations across 6 events in ROK-JR, OK-Junior recorded in the WKR database. Blazej Kostrzewa currently holds world rank #2 in ROK-JR with a WKR Rating of 349.9. Compare with other drivers from Poland on the drivers list.
| Date | Race |
|---|---|
| 03 May 2026 | ROK Cup Italia 2026 R3 Franciacorta |
| 12 Apr 2026 | ROK Cup Italia 2026 R2 Viterbo |
| 29 Mar 2026 | ROK Cup Italia 2026 R1 Cremona |
| Date | Race |
|---|---|
| 14 Feb 2026 | WSK Euro Series 2026 Round 1 |
| 08 Feb 2026 | WSK Super Master Series 2026 Round 2 |
| 25 Jan 2026 | WSK Super Master Series 2026 Round 1 |