 Nyora kupfuurira kweiyi ndima - Ranheim akaberekerwa muSt. Louis, Missouri, asi akakurira muMinnesota. Akatamba hockey yake yechikoro chesekondari muEdina, kwaakatungamira timu yake kuenda kumakwikwi ehurumende muna 198384 uye akatumidzwa zita reMinnesotas All-State Team. The Calgary Flames vakamusarudza muchikamu chechipiri, 38th yose, pa 1984 NHL Entry Draft, kunyange Ranhiem akasarudza kutamba hockey yekoroji neWisconsin Badgers asati atendeuka. Mushure memwaka wemapoinzi makumi maviri nemaviri mugore rake rekutanga ra198485, Ranheim akahwina Badgers Otto Breitenbach Most Improved Player Award semutambi akanakisa wechikwata muna 198586 mushure mekukora zvibodzwa gumi neshanu uye kunyora gumi neshanu kubatsira mumitambo makumi matatu nemana. Akatambawo nechikwata cheUnited States chevadiki pa1986 World Junior Ice Hockey Championshipsuko zvibodzwa zvake zvitanhatu nokubetsera zvitatu zvakabetsera vokuAmerica kukunda menduru yebronze, mugumo wokutanga wepodiyamu nokuda kwenyika munhau yeWorld Junior. 