did you see their "Sailing Demographics"? According to them, the median net worth of a sailor is $1,013,986.
I imagine their sample is competitors in the events they are marketing. Line up all those guys - even a few beach-cat sailors - with Larry Ellison at the top and the middle earner might be making seven figures.
Also, I misread the event's name in my original post (thanks for the heads up). It is Adventure 1000, not Atlantic 1000. In the pitch on Octogon's Web site it says the event started with a bar bet etc. etc. Did this operation take over for Worrell!? That would be an interesting development.