A tired Caster Semenya will return home to focus on her preparations for the Commonwealth Games after bouncing back to form to set a seasons best with her fourth 800m victory of the season in Milan,Italy,on Thursday night. Semenya competed in six two-lap races after a belated start to her European campaign,having been cleared by the International Association of Athletics Federations IAAF to compete against women in July,and apart from a major stumble in Rovereto two weeks ago,her comeback has been marked with success.The 19-year-old said on the IAAF website she would return to SA after a tiring campaign and would only race again in her first-round at the CWG.