Kammala wannan jumla: Boyd ya cancanci Indianapolis 500 a karo na farko a
1955 amma ya gama na 29 bayan da ya shiga cikin hadarin da ya kashe direba Bill Vukovich. A cikin dozin farawa, tserensa mafi kyau ya kasance a 1958, lokacin da ya jagoranci zagaye 18 kuma ya gama na 3. A cikin duka, ya gama a cikin Top 10 a 500 sau biyar.