1. It has been broadcast live over radio on the Indianapolis Motor Speedway Radio Network since 1952, televised live in 1949 and 1950 on then-independent, local station WFBM-TV (now WRTV ), and not again until ABC Sports was permitted to broadcast the race via tape delay beginning in 1965, and eventually live flag-to-flag coverage beginning in 1986. In May 2006, the race celebrated its 90th running and 61st consecutive year of uninterrupted occurrence.

Es ist mit weit über 400.000 Zuschauern vor Ort die weltweit größte jährlich stattfindende Eintages-Sportveranstaltung.