Ka cika wannan magana: Gasar farko ta Giddy a ƙasarsa ita ce Wasannin Ƙasa a shekara ta 1969, kuma gasarsa ta farko a ƙasashen waje ita ce Wasannin Ƙasa ta Ƙasa ta 1970 a Edinburgh, inda ya lashe lambar zinariya uku da lambar azurfa. A Wasannin Paralympics na 1972 na Heidelberg, ya lashe lambar azurfa a wasan maza na 100 m Wheelchair 4, kuma ya kuma shiga cikin 'yan wasan kwallon kwando na maza na Australia. Ya halarci Wasannin Paraplegic na Commonwealth na 1974 a Dunedin, New Zealand. An zaɓe shi amma bai shiga wasannin Paralympics na Toronto na 1976 ba saboda rashin lafiya, kuma bai shiga wasannin Paralympics na Arnhem na 1980 ba. Ya lashe lambar zinare a &lt;a href="1984%20Summer%20Paralympics"&gt;1984 New York/Stoke Mandeville Paralympics&lt;/a&gt; a cikin taron Discus 4 na maza, lambar azurfa a cikin wannan taron a gasar Paralympics ta Seoul ta 1988, lambar azurfa a cikin taron Discus THW6 na maza da lambar tagulla a cikin taron Men's Shot Put THW6 a gasar Paralympics ta Barcelona ta 1992, da lambar tagulla a cikin taron Men's Shot Put F55 a
Wasannin Paralympic na shekarar 1996 a Atlanta.