Toshiaki Fushimi, one of the most successful runners in Japan and Olympic silver medalist, died this Sunday at the age of 50 after a serious accident during a race held on Saturday at the velodrome in the Japanese city of Matsusaka.According to the Japanese Keirin Association (JKA), Fushimi (wholly dressed in black) crashed into the outer barrier of the track by attempting to dodge a fall in which two runners had been involved who were circulati…