Alistair Brownlee says he is still "the best triathlete in the world" as he prepares to return to action in the Cape Town World Series event on Sunday.
The Olympic champion, 27, has missed the first three races of the season because of an ankle injury.
In his absence, younger brother and new world number one Jonathan, who will not race in Cape Town, secured dominant wins in Auckland and on the Gold Coast.
Double world champion Helen Jenkins and Commonwealth bronze medallist Vicky Holland return from injury for the women's race on Saturday.
Watch the women's race live on BBC Red Button & online from 14:00 BST on Saturday, 25 April, and highlights on Sunday, 26 April at 13:00 on BBC Two.
Watch the men's race live on BBC Red Button & online from 14:00 BST on Sunday, 26 April, and highlights on Monday, 27 April at 11:00 on BBC Two.