Coates akapedza ari wechitatu mumakwikwi emamita mazana maviri akasununguka pa2016 British National Championships. Somugumisiro, akasarudzwa sechikamu chechikwata cheGreat Britain che 2016 Summer Olympics muRio de Janeiro, Brazil, uko achakwikwidza mu 4 × 200-metre freestyle relay
naJazmin Carlin, Ellie Faulkner naCamilla Hattersley. Pazera ramakore 17 Coates ndiye nhengo duku zvikurusa yechikwata chokushambira cheGreat Britain paMitambo.