Spithill might look to be even more aggressive to force a penalty.
45 seconds to race start. Team USA on the left.
Team NZ over the line first. Can they get over Oracle?
Team NZ might have the edge.
Team NZ clear ahead. A great start by Barker.
Team NZ set to foil-gybe.
Team NZ lead by around 45m.
Team NZ have got clear wind.
Oracle on the left have starboard advantage. Not much separates them.
Team NZ lead at around 56m. Oracle staying right behind them keeping the pressure on.
Very little between these two boats downwind.
Oracle gybe and Team NZ match. Oracle fall off the foils. The turn at mark two will be crucial.
Team NZ stretch lead to 94m after that foil-gybe.
Both boats head to the boundary and Team NZ turn dirty air on Oracle
Clean turn around the mark and they hold a 6 second lead.
Now the upwind leg. Oracle tack and Team NZ follow.
They both head towards Alcatraz.
Team NZ are heading straight to the boundary and Oracle forced to tack. Team NZ keep going.
"The first race was a shocker. I was half asleep at the start," says Dean Barker.
"But the boys dug in on that upwind leg."
"Very happy with the day."
thanks for joining over coverage today. We'll be back with races 8 and 9 on Sunday. Kris Shannon will be here to explain all the action. Check out the site for all the latest news from San Francisco and pick up tomorrow's Weekend Herald which will have plenty more coverage.