Bossy Guest is a 11 year old horse and has raced from 2014 to 2019. He was sired by Medicean out of the Danehill mare Ros The Boss. He was trained by Mick R. Channon and has raced for John Guest Racing, and was bred in [Add Data] by Dowager Countess Harrington. Bossy Guest has raced at Ascot-GB, Goodwood-GB, King Abdulaziz-KSA, Meydan-UAE, Newbury-GB, Newmarket-GB, Newmarket (July)-GB, Ripon-GB, York-GB with wins at Newmarket-GB, Newmarket (July)-GB, York-GB. His stakes wins include wins in the 2015 Tattersalls Millions 3YO Sprint, 2014 Conditions Stakes, and the 2014 Maiden Stakes.