Roll On John is a thoroughbred horse born in Australia in 2012. Race horse Roll On John is by Vital Equine (IRE) out of Endless Reef (NZ) , trained by Mark Wright. Roll On John form is available here. Owned by Miss C L Wright, M A Wright, K A Gordon, Three 27 Pty Ltd Syndicate(Mgr: D M Frearson), J M Thompson, Ms B E Thompson.