BTW, the advice I gave is somewhat best-case (in terms of resources and space on the lake).

If your event is really small, you could probably get away with running one set of marks, start the boards first and give them a good head start before you start the sequences for the cats. Use longer distances to the weather mark and use courses with fewer laps to keep the separation and reduce issues at mark roundings.

Regardless of which way you go (in terms of marks, etc.) the main challenge is making sure no one gets hurt. If a board capsizes in the middle of the course, will the cats be able to see him in the water? Obviously, they should be paying attention, but it's worthy of discussion at the skippers meeting.

Hope this helps.

Mike