Tromsdalen UIL, commonly known as Tromsdalen, is a football club from Tromsø, Norway, currently playing in the Norwegian 2.Divisjon, the third tier of the national league system. The club was founded in 1938 and plays its home matches at the TUIL Arena, sharing the city with top-flight rivals Tromsø IL. Their traditional colors are blue and white. Tromsdalen has historically oscillated between the second and third divisions, with their most notable achievement being a runners-up finish in the 1.Divisjon in 2015, which earned them a playoff spot for promotion to the Eliteserien, though they were ultimately unsuccessful. The club is a vital part of the local football scene in Troms, known for developing local talent and providing a pathway for players in northern Norway. In recent seasons, they have been a competitive side in the 2.Divisjon, often finishing in the upper half of the table and pushing for a return to the second tier. The fan culture is one of passionate local support, with matches offering a gritty, determined style of football reflective of the Arctic region.