SRX SERIES | JUNE 26, 2021 …plus USAC Silver Crown! Coming to a track near you… pic.twitter.com/W9D5fZmFgV — Superstar Racing Experience (@SRXracing) January 4, 2021 The SRX Series has announced June 26 as the Eldora date for 2021! USAC Silver Crown stars will join the card creating a blockbuster doubleheader. Ticket details coming soon.