 Cuddihy did not participate in the 2009 World Championships in Athletics, as she had taken time out to focus on her academic studies.Following a hiatus, Cuddihy returned to athletics at the Melbourne Track Classic in March 2010, where she placed third in the 400 metres with a time of 52.95 seconds.In early July 2010, Cuddihy won the Irish National Championships in the 400 metres with a time of 52.76 seconds.