StadiumStadion Narwi
| Current capacity of the stadium |
| Standing | 11 400 |
| Seats | 7 900 |
| Tribune | 7 500 |
| Seats for sponsors | 100 |
| Fans attended |
| 3. 7. 2025 | Narew Ostrołęka-Miejska górka | 6 963 |
| 28. 6. 2025 | Narew Ostrołęka-Wschowa | 7 074 |
| 23. 6. 2025 | Narew Ostrołęka-Myślenice | 3 711 |
| 19. 6. 2025 | Narew Ostrołęka-Pasłęk | 3 999 |
| 14. 6. 2025 | Narew Ostrołęka-Podpaskudy | 6 272 |
| 12. 6. 2025 | Narew Ostrołęka-Krotoszyn | 8 659 |
| 7. 6. 2025 | Narew Ostrołęka-Miastko | 6 671 |
| 4. 6. 2025 | Narew Ostrołęka-Olszowice | 10 146 |
| 2. 6. 2025 | Narew Ostrołęka-Kolno | 7 118 |