<prompt> Bhala okuqhubekayo kwalesi sigaba - indondo yokuqala kaWalker yamazwe omhlaba yafika ngethusi emjahweni wokushaya isifuba ngamamitha ayi-100 emjahweni we-European Championships owawuseSpain ngo-1997. Kusukela ngaleso sikhathi uye waqhubeka nokuwina izindondo ezine ezengeziwe ze-European Championship nezindondo eziyisishiyagalombili ze-World Championship. Uphinde wathola indondo yethusi emidlalweni engu-50 ye-freestyle futhi waqeda endaweni yesine emidlalweni engu-100 ye-freestyle, kuma-Commonwealth Games ka-2006  <response>: eMelbourne, lapho ayewukuphela kombhukudi okhubazekile owayemelela iNgilandi. 