His name and particularly his voice are synonymous with the Indianapolis 500. Bob is the most recognized and respected race announcer on both radio and television.

He’s been in movies with the likes of Tom Cruise and Will Ferrell. He has worked alongside the most well-known and famous stars of Indy car as well as NASCAR. He was on the original team that launched ESPN and later worked for NBC Sports.

And he lives right here in Crawfordsville.


As a child, Mark Jaynes would record himself as the lead announcer of fictitious Indianapolis 500 Mile Race broadcasts on a cassette player. The imaginary race calls came complete with ghost interviews of his favorite drivers.

Four decades later, fantasy has become reality. Jaynes has been named chief announcer for the Advance Auto Parts INDYCAR Radio Network that airs every Verizon IndyCar Series race. Included among the 16 events in 2016 is the highly anticipated 100th Running of the Indianapolis 500.

Jaynes will become just the sixth “Voice of the 500” for the radio network as it enters its 65th season on air.