|2017 Harthill Bolesworth CSI4* 180cm - 1st|
|2015 Hickstead Derby - 1st|
|2014 Hickstead Derby - 1st|
|2012 Hickstead Speed Derby - 1st|
|2009 Hickstead Speed Derby - 1st|
Based in South East England, Trevor and wife Caroline run Breen Sport Horses. Trevor has enjoyed a great deal of success to date, competing both on the national and international circuit. He has been a regular member of the Irish Team since 2007. Caroline has also show jumped internationally having spent a number of years with Tim Stockdale. Caroline now looks after the training and business side of Breen Sport Horses.
Trevor enjoys producing the younger horses to international level. Trevor has represented Ireland on numerous occasions such as the World Breeders Federation of Sport Horse Championships at Lanaken.