Date of Birth: 
Place of Birth: Naas, Leinster, Ireland
About Seamie Heffernan
- James Anthony "Seamie" Heffernan (born 17 July 1972) is an Irish flat racing jockey who rides mainly for horse racing trainer Aidan O'Brien.
- Heffernan began his racing career as an apprentice jockey riding for Jim Bolger and shared the Irish champion apprentices title in 1994.
- He was runner-up in the same competition in 1995 and moved to Aidan O'Brien's Ballydoyle stable in 1996 where he was second jockey after Christy Roche.Heffernan has remained at Ballydoyle since then and rode his first Group One winner on Beckett in the 2000 National Stakes and his first Classic winner on Imagine in the Irish 1,000 Guineas in 2001.
- He has ridden a further five Irish Classic winners, including three victories in the Irish Derby, in addition to riding The Derby runner-up in 2009 and 2010.
- He scored his first English Classic victory when Was won the 2012 Epsom Oaks.
- In 2019, Heffernan rode Anthony Van Dyck under trainer Aidan O'Brien to win his first The Derby victory. He has two children.
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