BY RON COOKE Citizen Staff Writerrcooke@keysnews.comKEY WEST -- Although the second annual Duval Street Mile road race is part of the Conch Republic Independence Celebration, the race is a party to honor Duval Street, one of the most famous streets in the world, according to event organizer Rick MacKenzie.Back in the 70s and 80s, there was the Park Avenue Mile in New York City.