 Nicholas Purnell akaberekwa musi wa4 Chikumi 1990 mumiriri weAustralia uye mutambi weOlympic kaviri. Iye ndiye shasha yenyika, uyo akakwikwidza mumakwikwi enyika manomwe uye mumakwikwi evarume maseremuLondon muna 2012 uye muTokyo muna 2020. 