tˈoʊmə wˈʌn fˈaɪv mˈɛdəlz æt ðɪ ˌɛfˌaɪˈɛs nˈoːɹdɪk wˈɜːld skˈiː tʃˈæmpiənʃˌɪps, ɪŋklˈuːdɪŋ wˈʌn ɡˈoʊld tˈiːm lˈɑːɹdʒ hˈɪl: nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn, tˈuː sˈɪlvɚz tˈiːm lˈɑːɹdʒ hˈɪl: nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈaɪv, ˌɪndᵻvˈɪdʒuːəl lˈɑːɹdʒ hˈɪl: nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən, ænd tˈuː bɹˈɑːnzᵻz tˈiːm lˈɑːɹdʒ hˈɪl: nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn ænd nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən.
Thoma won five medals at the FIS Nordic World Ski Championships, including one gold (Team large hill: 1999), two silvers (Team large hill: 1995, Individual large hill: 1997), and two bronzes (Team large hill: 1991 and 1997).