Ku dhammaystir weedha soo socota:
2003 Ciyaaraha Afrika oo dhan ee Abuja, Nigeria, Thirsk wuxuu soo ururiyay wadar ahaan seddex billadood: laba lacag ah oo 50 m dhabarka ah (27.04) iyo 100 m dhabarka (57.60), iyo hal naxaas ah oo 200 m dhabarka ah (2:09.79).