 Pari gbolohun ti o tẹle: Awọn idije idije Harroun pẹlu: ere-ije 100-mile 1910 ni Atlanta Motordrome; 1910 200-mile Wheeler-Schebler Trophy Race ni Indianapolis Motor Speedway; May 1910, 50-mile Remy Grand Brassard Race tun ni IMS; awọn ere-ije mẹta ni Churchill Downs ile ti Kentucky Derby; awọn ere-ije mẹta ni Latonia Race Track atilẹba; ati awọn ere-ije ni awọn orin ni New Orleans, Los Angeles, Long Island ati Memphis. Ó gbajúmọ jùlọ fún jíjagunmólú : Indianapolis 500 àkọkọ, tó ń wakọ ọkọ Marmon. 