Macarthur is a 19 year old gelding and has raced from 2007 to 2010. He was sired by Montjeu out of the Gone West mare Out West. He was trained by David A. Rees and has raced for David A. Rees, and was bred in [Add Data] by [Add Data]. Macarthur has raced and won at Ascot-GB, Curragh-IRE, Doncaster-GB, Epsom-GB, Haydock-GB, Nad Al Sheba-UAE, Newcastle-GB, Newmarket-GB, York-GB. His has a stakes win at the 2008 Hardwicke Stakes (G2).