<prompt> Feleletša polelwana e latelago: Dipapading tša Diolimpiki tša Selemo tša 2012 kua London, Joyce o ile a ngwala nako ya metsotswana e 25,28 go Heat 8 ya  <response>: 50 m freestyle, yeo e ilego ya mo gapeletša gore a tsenele phadišano ya go rutha le baphenkgišani ba bangwe ba babedi bakeng sa go thopa maemo a lesometshela le a mafelelo makgaolakgannyeng a 50 m. A tutueditšwe ke batheetši ba gae, mophenkgišani wa Brithania Amy Smith o ile a fenya papadi ya go rutha ka nako ya 24.82, a fediša go tšea karolo ga Joyce moletlong wo. 