Brooke had trekked over to Waller's patch in the Bay of Plenty, as well as Wellington, to train on open water for France.
Locally, he would train off the coast at Castlecliff and in the Whanganui River.
The highlight of the championships for New Zealand was Danielle McKenzie winning gold in the open women's class, while Teneale Hatton came third in the same race.