Paul Snow-Hansen and Jason Saunders made their Olympic debut in the Men's 470 class on day five of the Olympic Sailing competition and positioned themselves well near the top of the fleet.
They are ranked fourth overall after opening the 10 race event with an eighth place finish and followed it with a third in challenging conditions which saw unusual gusts of wind reaching up to 30 knots in Weymouth.
The other young men's pairing of Peter Burling and Blair Tuke scored 9th and 11th in their two races inside Portland Harbour.
Half way through their programme, they are now ranked third overall as the home team won both of the 49er races, shuffling the points around the lead pack.
Hamish Pepper and Jim Turner had a similar day, scoring a 10th and 8th in much rougher conditions out in Weymouth Bay South, improving their standing to seventh overall, with two races to go.
JP Tobin in the RS:X scored a pair of 8th place finishes, which keeps him sixth overall, before his rest day.
In the women's match racing: Stephanie Hazard, Jenna Hansen and Susannah Pyatt lost both of their races against Claire Leroy of France and reigning world champion Silja Lehtinen of Finland.
They will have a rest day before facing their final round robin match against the second ranked team from Russia on Friday to decide their eligibility to progress to the quarter finals.
Andrew Murdoch who's eighth overall in the Laser class, and Sara Winther resume competition on Thursday after a rest day. They have four races remaining each before the top 10 progress to the medal round.
Dan Slater in the Finn class is eighth overall.
Jo Aleh and Olivia Powrie will start their 2012 Olympic regatta on Friday.