Pedzisa mutsara unotevera: Pakati pokukunda kwake kaviri muBoston, Miles akakunda mukwikwidzi weCanada wemamita 10 000 muna 1928. Gare gare akawana menduru yendarira mumarathon pa 1930 British Empire Games. Akamirira Canada paMitambo yeOlympic yeZhizha ya1928 uye akapedza ari 17 mu
Marathon yeOlympic ya1928. Makore mana gare gare pamaOlympics eZhizha a1932 akapedza ari wechi14 munhangemutange yemarathon yeOlympic.