Peter Burling and Blair Tuke of New Zealand compete in the men's 49er Sailing class.
The pair were already mathematically assured of topping the standings coming into the medal race, while New Zealand's Peter Burling and Blair Tuke had silver secured.
The teams only had to turn up and compete in the medal race - even if they finished last - to clinch the victory, which they duly did to leave just bronze up for grabs.
Great Britain's Stevie Morrison and Ben Rhodes came into the medal race in fifth place, six points behind Denmark's Allan Norregaard and Peter Lang in third after the 15 opening fleet races, and were one of a number of teams in with a chance of a podium finish.
However, Norregaard and Lang finished the medal race in third place to claim bronze.
Men's Handball - Hungary edge epic clash
Hungary are through to the semi-finals of the men's Handball tournament after an epic 34-33 double extra-time victory over Beijing 2008 silver medallists Iceland in the Basketball Arena.
The Nordic team was on the verge of going through in normal time, leading 27-26 and having a penalty with just 15 seconds remaining, but it was missed and Hungary forced the additional period three seconds from the end.
With the tie still level in the second of two five-minute halves of extra-time, Hungary finally made their move to win by a single goal and send the Basketball Arena into raptures.
Iceland, who had been tipped for gold, advanced through Group A of the preliminary stage with a 100 per cent record, which included beating France in a re-run of the Beijing 2008 final, while Hungary needed a final-day win over Serbia to book their place in the last eight.
But the start of the match did not go to form as the central Europeans raced into a 5-1 lead after five minutes, with Iceland struggling to adapt to the new surroundings of the Basketball Arena.
However, they did find their groove and they scored eight out of the next 11 goals to take the advantage at 9-8 for the first time after 20 minutes, but the back-and-forth nature of the first half continued as Hungary rattled in four unanswered strikes to earn a 16-12 lead at half-time.
A classic was unfolding as five successive goals from Iceland made it level and the score then advanced to 26-24 to Hungary, setting up a grandstand finish with five minutes left.
Iceland then produced a three-goal burst to edge into the lead for the first time since the 12th minute and it was well timed with 90 seconds remaining.
They had the chance to seal the win with a penalty in the final 15 seconds, but Snorri Steinn Gudjonsson missed and they were made to pay as Mate Lekai threw in with three seconds left on the clock to send the game into extra time with the scores at 27-27.
A tight first half of the additional period saw the score advance to 29-29 and that became 30-30 as a second set of two five-minute halves was required to separate the two teams.
Hungary finally earned some breathing space and scored two successive goals to lead 33-31 and it proved decisive as they were able to hold out to seal a famous victory.
Women's Hockey - Golden goal nets Japan win
Japan's Ai Murakami converted from the penalty spot for the golden goal against South Africa in extra time which won the ninth-place play-off for her country 2-1.
Lisa-Marie Deetlefs gave South Africa a lead just before half-time from a penalty corner and they held that until Murakami equalised with a set-piece seven minutes from the end.
The first period of extra time was goalless but midway through the second period Japan were awarded a penalty stroke from which Murakami scored her second.
'Japan are ranked eighth in the world and we wanted to aim higher than that if possible,' said coach Zenjiro Yasuda.
'We wanted to reach sixth (in the world) and we were aiming for a medal at these Games.'
South Africa coach Giles Bonnet felt his side would use London 2012 as a stepping stone for improvement.
'Before we came we thought we had a chance of making the seventh-place play-off,' he said.
'I am slightly disappointed we didn't finish ninth but we are realistic in that we have a longer-term plan and are looking to the 2014 World Cup and Commonwealth Games.'
Kayak double and Kayak Four: Golden day for Hungary
Hungary won two Canoe Sprint gold medals in a morning at Eton Dorney - in the men's Kayak Double (K2) 1000m and women's Kayak Four (K4) 500m.
Rudolf Dombi and Roland Kokeny took gold for Hungary in the men's event, with Portugal coming in for silver very close behind - their first medal of the Games.
Emanuel Silva and Fernando Pimenta gave the Hungarians a close run to the line, with the German pair of Martin Hollstein and Andreas Ihle taking bronze.
In the women's K4 500m final, the Hungarian crew crossed the line first and were swiftly followed home by the German boat for silver and Belarus, who took bronze.
It was a successful morning for Germany as well - they took medals in all four Canoe Sprint events, with gold in the men’s Canoe Single 1000m (C1) and bronze in the men’s Kayak Single 1000m (K1).