David McKeon competed at his first Olympic Games in London having only been in the sport for three years. He went on to finish fifth in his heat of the 400m freestyle at the London 2012 Games before swimming in the heats of the 4 x 200m freestyle relay that would go on and finish fifth in the final.
McKeon comes from rich swimming pedigree. His father Ron swam at the 1980 and 1984 Olympic Games and won four Commonwealth Games gold medals. His mother Susie was a Commonwealth Games swimmer and her brother, Rob Woodhouse, swam at the 1984 and 1988 Olympic Games, winning bronze in Los Angeles. David’s sister Emma competed at the inaugural Youth Olympics in Singapore in 2010.