 At the 2010 European Athletics Championships in Barcelona, Spain, Cuddihy made the semi-finals, but was unable to make the final after finishing fourth in her semi-final and missing a fastest loser position.She was also a member of the Irish 4 x 400 metres relay team alongside Marian Andrews, Brona Furlong, and Michelle Carey which failed to progress from the heats after finishing sixth.In 2011, Cuddihy moved to Australia for full-time training.