ɹˈɑːbsən pɚfˈɔːɹmd stɹˈɔŋli ˈæftɚ hɪz sɚpɹˈaɪz fˈaɪvhˈʌndɹɪd vˈɪktɚɹi, ɪŋklˈuːdɪŋ fˈɪnɪʃɪŋ sˈɛkənd tə ɹˈɛks mˈeɪz ɪnðə lˈæŋhoːɹn wˈʌnhˈʌndɹɪd, ðə sˈɛkənd ɹˈeɪs ʌvðə sˈiːzən hˈɛld tuː "tʃˈæmpiənʃˌɪp kˈɑːɹ" spˌɛsɪfɪkˈeɪʃənz.
Robson performed strongly after his surprise '500' victory, including finishing second to Rex Mays in the Langhorne 100, the second race of the season held to "championship car" specifications.