2011 became a break out year for Behan as he competed at the European Championships in Berlin and the World Challenge Cup series where he became the overall World Cup Champion on the Floor Exercise, winning Gold, silver and bronze medals. He went on to compete in the 2011 World Championships in Tokyo. Qualifying himself to the final stage of the London 2012 Olympic games process (the London Prepares Olympic test event) Behan did not receive funding from the Irish Sports Council or Gymnastics Ireland, by the end of 2011 he had spent close to €12,000 on travel and accommodation expenses to get to the international competitions, friends and family supporting him by raising money through bake sales and other fundraisers.