Was at Pass Christian YC this last weekend and the PRO/Commodore asked me to mention that multihulls of all sizes are invited to this race. 30 mile circumnavigation of Cat Island MS, see here for chart
http://www.charts.noaa.gov/OnLineViewer/11372.shtmlPlease, though, be advised: there are NO CHASE BOATS. You are on your own!
Given the fickleness of the wind.... be sure to take along VHF/cel phone and lights (a flashlight on the sails is all you need legally).