kˈɛlɚɹ ˈɔːlsoʊ wˈʌn ɐ sˈɪlvɚɹ æt ðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɪks ˌɛfˌaɪˈɛs nˈoːɹdɪk wˈɜːld skˈiː tʃˈæmpiənʃˌɪps ɪnðɪ ˌɪndᵻvˈɪdʒuːəl ᵻvˈɛnt ænd wˈʌn ðɪ ᵻvˈɛnt æt ðə hˈoʊmŋkɑːlən skˈiː fˈɛstɪvəl ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən.
Keller also won a silver at the 1966 FIS Nordic World Ski Championships in the individual event and won the event at the Holmenkollen ski festival in 1967.