As a three-year-old in 1958, Sindon finished second to the subsequent Epsom Derby winner Hard Ridden in the Irish 2000 Guineas at the Curragh. In the Irish Derby at the same course in June he was ridden by Liam Ward and started at odds of 100/8 in a 12-runner field.
In 1958, Sindon, a three-year-old horse, finished second to Hard Ridden, who went on to win the Epsom Derby, in the Irish 2000 Guineas race at the Curragh.  He was ridden by Liam Ward and started as the 100/8 favorite in a field of twelve horses at the same course for the Irish Derby in June.