Peter Burling and Blair Tuke have helped the Kiwi challenge top the podium for the first time.
The new land yacht hit speeds of around 130km/h on its first run.
"Let's not forget the unprecedented times that we live in."
Barcelona's confirmation rounds out the holders' wish list for the 2024 defence.
The Spanish port has been confirmed to host the next defence of the 'Auld Mug'.
Spain is firming as Team NZ's choice for an offshore venue in 2024.
The new global sailing league is coming to Lyttelton Harbour next year.
Contestants battled some of the toughest conditions in the event's recent history.
The Kiwi syndicate chief executive attended the Royal NZ Yacht Squadron's AGM on Thursday.