StadiumStadion Narwi
| Current capacity of the stadium |
| Standing | 11 400 |
| Seats | 7 900 |
| Tribune | 7 500 |
| Seats for sponsors | 100 |
| Fans attended |
| 4. 10. 2025 | Narew Ostrołęka-Majdany | 8 179 |
| 29. 9. 2025 | Narew Ostrołęka-Tęcza Przasnysz | 7 096 |
| 25. 9. 2025 | Narew Ostrołęka-Miastko | 5 697 |
| 22. 9. 2025 | Narew Ostrołęka-Żukowo | 5 116 |
| 18. 9. 2025 | Narew Ostrołęka-Przedłuż | 5 237 |
| 13. 9. 2025 | Narew Ostrołęka-Kolno | 4 724 |
| 8. 9. 2025 | Narew Ostrołęka-Poladowo | 10 986 |
| 4. 9. 2025 | Narew Ostrołęka-Pasłęk | 11 394 |
| 30. 8. 2025 | Narew Ostrołęka-Myślenice | 8 790 |