Whakakihia te rerenga e whai ake nei: I nga Orimipia o Tokyo 2020, i wikitoria a Duncan i te hiriwa i te 200m freestyle, ka mutu 0.04 hēkona i muri i te toa me te hoa kapa, a Tom Dean. I whai ake ia me te koura hei waahanga o te roopu relay 4 × 200m freestyle me Tom Dean, James Guy, me Matt Richards, i wikitoria i te rekoata Pakeha o te 6 meneti 58.58 hēkona. I riro hoki i a ia he mētara hiriwa i te 200 mita takitahi a te tāne, me tētahi atu i te
4 × 100 mita medley relay me Luke Greenbank, Adam Peaty, me James Guy, ko ia te kaitakaro Ingarihi tuatahi ki te wikitoria i nga mētara e wha i roto i te Taakaro kotahi e arahi ana ki nga karanga kia tohua ia hei rangatira.