Indianapolis 500 winner List of Indianapolis 500 winners List of Indianapolis 500 winners Ray Harroun averaged 74.59 mph List of Indianapolis 500 winners That would have been a historic moment for Castroneves former winner list of Indianapolis 500 winners [الإنجليزية] Winner won Ray Harroun averaged 74.59 mph Winner Source That would have been a historic moment for Castroneves Source Ray Harroun averaged 74.59 mph Winner won Ray Harroun averaged 74.59 mph List of Indianapolis 500 winners List of Indianapolis 500 winners won English Ray Harroun averaged 74.59 mph en.wikipedia.org Wikipedia