Japanse para-swimmer Mayumi Narita is widely regarded as one of the greatest Paralympians of all-time. She overcame adversity twice to win an amazing 15 gold medals at three consecutive Paralympics between 1996 and 2004. At Athens in the latter games, she was the most successful competitor of the whole Games, winning seven gold medals and setting six world records and seven Paralympic ones. In 2018, aged 48, she competed in the Asian Para Games i...