fɹʌmðə bɪɡˈɪnɪŋ ʌvðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈiːzən tə ðɪ ˈɛnd ʌv nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi wˈʌn, ðɪ ˌeɪˌeɪˈeɪ sˈæŋkʃənd ɐ tˈoʊɾəl ʌv wˈʌnhˈʌndɹɪd twˈɛnti θɹˈiː tʃˈæmpiənʃˌɪp ɹˈeɪsɪŋ ᵻvˈɛnts ˌɔn twˈɛnti fˈoːɹ dˈɪfɹənt ɹˈeɪs tɹˈæks, ænd ˈeɪɾi tˈuː ʌv ðoʊz ɹˈeɪsᵻz wɜː ɹˈʌn ˌɔn wˈʊdən sˈɜːfɪsᵻz.
From the beginning of the 1920 season to the end of 1931, the AAA sanctioned a total of 123 championship racing events on 24 different race tracks, and 82 of those races were run on wooden surfaces.