Nick Reid (in conjunction with Stig Osterberg) captured some great aerial video of last Saturdays race. There are three clips all of which can be seen below. Lots can be learned by studying them carefully. Thanks Nick and Stig!
It helps most if you remember the very light and shifty breeze and see how boats use it to advantage (or not). For a sense of scale (and speed?) the yellow tetrahedrons are less than 1/2 mile apart.