ɪnðə tˈuː jˈɪɹz pɹɪsˈiːdɪŋ ðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈʌmɚɹ əlˈɪmpɪks, ʃiː sˈɛt wˈɜːld ɹˈɛkɚdz ɪnðə fˈoːɹhˈʌndɹɪd fˈoːɹɾijˈɑːɹd, fˈoːɹhˈʌndɹɪdmˈiːɾɚ, wˈʌn θˈaʊzənd fˈaɪvhˈʌndɹɪdmˈiːɾɚ ænd wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd fˈɪftijˈɑːɹd ᵻvˈɛnts.
In the two years preceding the 1960 Summer Olympics, she set world records in the 440-yard, 400-metre, 1500-metre and 1650-yard events.