China’s racewalkers secured a landmark gold as they dominated the half marathons at the Asian Games on Wednesday, winning both the men’s and women’s events. A new distance compared to the 20km version contested at previous Asian Games, Shi Shengji stormed to the men’s title at the Aichi-Nagoya race walking course in one hour, 23 minutes and 32 seconds. The 19-year-old from Jiangsu built up a commanding lead of almost four and a half minutes over world and Asian double-record holder Toshikazu...