Sonia O'Sullivan with Tom Humphries. Sonia O'Sullivan is one of the greatest sporting figues Ireland has ever produced. In a career that saw her competing at the highest international levels for over a decade, she turned in world-class times in events ranging from the 1,500metres to the marathon, capped by World Championships gold in the 5,000 metres in 1995 and Olympic silver in the same event in 2000. Paperback book. Published 2008.