Wiilkiisa yar, Ron Clarke, oo ah ciyaartooy horyaal ah (oo dhigay toddoba iyo toban rikoodh oo adduunka ah), wuxuu ku guuleystay billado Olombikada 1964 (Tokyo), iyo Ciyaaraha Barwaaqo Sooranka ee 1962 (Perth), 1966 (Kingston)
, iyo 1970 (Edinburgh).