Purchase a ticket to see a game at Arasen Stadium. If there's nothing happening while you're there, you might like to check if they give a guided tour of the facilities.
This Skedsmo sporting facility is an interesting place to start your day of sightseeing. There's lots to do and see in the vicinity, such as Triaden Lorenskog Storsenter, Norway Trade Fairs, and Fetsund Lenser. Wander around at your leisure at Arasen Stadium before making tracks to these other fine sights.