O Dionysus is a 9 year old gelding and has raced from 2018 to 2021. He was sired by Bodemeister out of the Flatter mare Safe Journey. He was trained by Cyril Murphy and has raced for Marathon Farms, Inc., and was bred in Maryland, United States by Dark Hollow Farm. O Dionysus has raced and won at , Delaware Park, Laurel Park, Monmouth Park, Pimlico Race Course. His has a stakes win at the 2019 Laurel Turf Cup (LS).