 In 1979 O'Hanlon was back in the red & white of Mosman and won a national title on the rudder of a men's youth pair of Rod Purnell and Graham Jones.The following year he won a national title in a Mosman men's junior four - a classification of the time for a club four which had not yet won a senior club race.His final four appearances at the Australian Rowing Championships were in the stern of Mosman or composite selection coxed fours.