He competed for the British National Team between 1996 and 2004, winning four medals at the World Rowing Championships including a gold in 2002, two silvers and a bronze medal. He retired from rowing after competing at 2004 Athens Olympics. Cormack also coxed the winning Cambridge eight in the Boat Race in 2001.
In the World Rowing Cup series he won gold in 2001 Munich, silver in 1997 Munich, 1998 Hazewinkel and bronze at 1998 Lucerne and 1999 Lucerne. His crews won the Prince Philip Challenge Cup at Henley Royal Regatta in 2003, and won the Head of the River Race five times – in 1999 and 2000 for Queen"s Tower, and 2002, 2003 and 2005 for Leander Club.
