 Nyorai kupfuurira kweiyi ndima - Malcolm akakwikwidza muMitambo yeParalympics mitatu muna 1996, 2000 uye 2004. Mumitambo yacho yose akahwina menduru yegoridhe pamakwikwi emamita 800. Mumitambo ya1996 akahwinawo menduru dzesirivha mumakwikwi e1500m ne400m. Mumitambo ya2000 akahwina menduru yebronze pamakwikwi e400m uye akakwikwidza sechikamu chechikwata cheSouth Africa 4 × 100 m. Mumitambo yake yekupedzisira akahwina sirivheri yake yechipiri yemamita mazana mana pamwe nekukwikwidza mumamita mazana maviri nemakumi mana emamita. 