The Trigo Cup also known as the Ulster Greyhound Derby was a greyhound racing competition held annually at Celtic Park in Belfast, Northern Ireland.
[1] It was introduced in 1926 when William Barnett presented a cup to Celtic Park after his horse Trigo won The Derby and St Leger Stakes.
[2] The first winner was Black Scab[3] and the Trigo Cup would gain classic status some years later in 1944.
[4] From 1966 it was sponsored by Guinness and became known as the Guinness Ulster Derby and Trigo Cup.
[5] The race ended following the closure of Celtic Park.