Both NZL Sailing Team crews competing at the 2016 470 World Championships improved their position on day four of the regatta, with Paul Snow-Hansen and Daniel Willcox regaining the overall lead.
Snow-Hansen and Willcox returned to their day one form finishing all three of today's races near the front of the pack with a bullet in the first race, then a third, and rounding out the day with another bullet.
Today's results sees the Kiwi pair climb from seventh overall back up to the top of the leader board and two points clear of Sime Fantela and Igor Marenic of Croatia, who hold second place.
Defending world Champions, Australia's Mathew Belcher and William Ryan, are lying third nine points behind the Croatians.
Jo Aleh and Polly Powrie also opened the day with a race win today in San Isidro, Argentina going on to sail another two races through the afternoon in which they placed seventh and then 15th.