<prompt> Ngwala tšwetšopele ya serapa se - Gresdal gape o ile a phadišana ka gare ga lebelo la basadi la dimithara tše 50 ka mokgwa wa go kitima o lokologilego  <response>: , ge a be a e-na le nywaga e 15, Dipapading tša Olimpiki tša Selemo tša 2000 kua Sydney. O fihleletše FINA A-standard ya 25.93 go tšwa go Canada Olympic Trials kua Winnipeg, Manitoba. O ile a hlohla batho ba bangwe ba šupago ba go rutha ka go rutha ba lesome, go akaretša naledi ya go hlatloga ya Dutch Inge de Bruijn le mmampodi wa mehleng wa Olympic Amy Van Dyken. O ile a feleletša a le maemong a mafelelo ka nako ya 26.79, e lego metsotswana e 2.33 feela ka morago ga rekoto ya Olympic yeo e beilwego ke De Bruijn. Gresdal o paletšwe ke go tšwela pele go ya makgaolakgannyeng, ka ge a be a beilwe maemong a masometharo-seswai ka kakaretšo go tšwa go boramabelo ba 74 ka go di-prelims. 