Roister
(USA)About
Roister is a 5-year-old dark bay/brown gelding from the United States, trained by Ruby Thomas. He is sired by the stallion Boisterous and is out of the mare Vendetta. Throughout his career, Roister has won 5 races. His most notable victory occurred on May 13, 2023, at Golden Gate Fields, where he was ridden by Assael Espinoza and won the $10,200 Race 8 - Claiming, beating Speed Grazy. He has proven to be a lucrative horse for bettors, with an 83 percent return on investment if you had wagered on him throughout his career.