It looks like A5 will complete the 40nm w/l course in about 2 1/2 hours.... in 4 to 5 kts of breeze! Thats an average VMG of 16kts. This is close to unbelievable, there must have been more wind out on the race course.
They use 2 1/2 hours to reach the top mark, so only 20 nm, not 40 nm.