Rønningen scored a goal from the penalty spot in the 4–1 victory against Hovding in the second round of the 2002 Norwegian Football Cup.
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According to the local newspaper Hamar Arbeiderblad, Rønningen was HamKam's best player in the 2011 season, and the 36-year-old decided to play for one more season, despite being called "father" by his younger team-mates.
Ivar Jacobson | Jon Rønningen | Sir Ivar Colquhoun, 8th Baronet | Ole Ivar Lovaas | Ivar the Boneless | Ivar's | Ivar Kreuger | Ivar Kleiven | Paul Ivar Paulsen | Ivar Sahlin | Ivar Mortensson-Egnund | Ívar Ingimarsson | Ivar Hippe | Ivar Grydeland | Ivar Enger | Ivar Arosenius | Ivar Aronsson | Ivar Antonsen | Fourth of Jul-Ivar's |