Derby Day Lassie

Derby Day Lassie is a 5-year-old gray/roan mare from the United States, trained by Jerry Donaldson, who is based locally. She is sired by the stallion Double Irish and her dam is Rita’s Fifty Seven. Throughout her career, Derby Day Lassie has won 3 races. Her most notable victory came on April 9, 2024, at Will Rogers Downs, where she was ridden by Travis Cunningham and won a $5,808 claiming race, defeating Stormy Bisonette. She has proven to be a lucrative horse for bettors, providing a 600 percent return on investment for those who backed her throughout her career.