hiː hæd hɪz bˈɪɡɪst sˈiːzən ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɛvən wɛn hiː bɪkˌeɪm ðə fˈɜːst noːɹwˈiːdʒən skˈiː dʒˈʌmpɚ tə wˈɪn ðɪ ˌoʊvɚɹˈɔːl wˈɜːld kˈʌp, ɐ fˈiːt lˈeɪɾɚɹ ˈoʊnli mˈætʃt baɪ ɛspˈɛn bɹˈɛdɛsən ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː slˈæʃ nˈaɪnti fˈoːɹ, ænd ˈændɚz bˈɑːɹdəl ɪn tˈuː θˈaʊzənd ɪlˈɛvən slˈæʃ twˈɛlv.
He had his biggest season in 1987 when he became the first Norwegian ski jumper to win the overall World Cup, a feat later only matched by Espen Bredesen in 1993/94, and Anders Bardal in 2011/12.