bᵻfˌoːɹ ðə stˈɑːɹt ʌvðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː dˈæʃ nˈaɪnti fˈoːɹ sˈiːzən, tˈoʊmə tʃˈeɪndʒd hɪz tɛknˈiːk fɹʌm dʒˈʌmpɪŋ wɪð pˈæɹəlˌɛl skˈiːz tə ðə vˈiːstˈaɪl, ænd wʌzɐ pˈɑːɹt ʌvðə dʒˈɜːmən tˈiːm hˌuː wˈʌn ðə tˈiːm kˌɑːmpətˈɪʃən æt ðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈoːɹ wˈɪntɚɹ əlˈɪmpɪks ɪn lˈɪlɪhˌæmɚ.
Before the start of the 1993-94 season, Thoma changed his technique from jumping with parallel skis to the V-style, and was a part of the German team who won the team competition at the 1994 Winter Olympics in Lillehammer.