 Two weeks later he ran the same distance at the Memorial Van Damme, taking second behind his more experienced Kenyan rival John Ngugi.He finally topped the podium in the event at the All-Africa Games later that month, beating fellow Kenyan William Koech by a narrow margin.Osano was dominant in Japan in the first half of 1992, going unbeaten with wins including the Chiba International Cross Country and Shizuoka International.