 Mamdum Dickson Seldum akazvarwa muna 2005 mutambi weNigerian wevarume vanosimudza huremu, vachikwikwidza muchikamu che77 kg uye vachimiririra Nigeria kumakwikwi epasi rose. Akahwina menduru yesirivheri kuma2015 African Games, vachisimudza makirogiramu 320. Akatora chikamu mu2014 Commonwealth Games mumutambo we77 kg. 