 Nyora kupfuurira kweiyi ndima - Mwedzi unotevera pa2012 World Short Course ChampionshipsmuIstanbul, akahwina menduru mbiri mumakwikwi ekudzosera. Pamwe chete naTommaso DOrsogna, Kyle Richardson naKenneth To, vakahwina menduru yebronze mu 4 × 100 metres freestyle relay muna 3:07.27. Muchiitiko che 4 × 200 metres freestyle relay, Mahoney akahwina danho rechitatu rekupisa kuti akwanise wechitatu nekukurumidza. Mumakwikwi ekupedzisira, Mahoney akatsiviwa naRichardson uye naDOrsogna, Jarrod Killey naRobert Hurley vakahwina sirivheri munguva nyowani yeOceania rekodhi ye6: 52.29. Mumakwikwi ake ega ega ekushambira, Mahoney akapedza ari wechinomwe mumakwikwi emamita mazana maviri kumusana uye akatadza kusvika kumagumo mumakwikwi emamita mazana mana nemakumi maviri emamita ega ega. 