StadiumArasen Stadion
| Current capacity of the stadium |
| Standing | 35 700 |
| Seats | 23 100 |
| Tribune | 14 600 |
| Seats for sponsors | 2 400 |
| Fans attended |
| 23. 5. 2026 | Lilleström SK-Stromsgodset | 17 250 |
| 18. 5. 2026 | Lilleström SK-Start 2 | 17 306 |
| 15. 5. 2026 | Lilleström SK-FC Erfurt | 24 717 |
| 14. 5. 2026 | Lilleström SK-Fana | 16 957 |
| 9. 5. 2026 | Lilleström SK-SANDEFJORD | 13 307 |
| 5. 5. 2026 | Lilleström SK-Aris Solún FC | 16 956 |
| 4. 5. 2026 | Lilleström SK-Maloy | 12 840 |
| 2. 5. 2026 | Lilleström SK-Sogndal | 18 977 |
| 28. 4. 2026 | Lilleström SK-Olszowice | 26 116 |