 Nyorera kupfuurira kweiyi ndima - Porritt akamiririra New Zealand pa1924 Summer Olympics muParis, France, kwaakakunda menduru yebronze mumamita zana; anokunda aive Harold Abrahams 18991978. Mujaho wacho wakaitika na7 manheru musi wa7 July 1924. Abrahams naPorritt vakadya pamwe chete na7 manheru musi wa7 Chikunguru gore roga roga, kusvikira parufu rwaAbrahams. Mujaho wacho wakazoitwa usingafi mufirimu rinonzi Chariots of Fire, asi nokuda kwokuzvininipisa kwaPorritt zita rake rakachinjwa kuva Tom Watson. Akakundawo makwikwi maviri okutanga mumakwikwi emamita mazana maviri, asi haana kusvika kumagumo. Porritt akanga ari kaputeni wechikwata cheNew Zealand paMitambo yeOlympic yeZhizha ya1928 muAmsterdam, asi akabva pamakwikwi emamita 100nemhaka yokukuvara. 