250 is ideal minimal for racing wieght but 350 the boat still can power along in 12k+ problem start when teams are 6'3" and 6'7" and combined wieght is 250,they resort to cannabalism. #If you put to much wieght on the hulls in big wind you run the risk of delaminating the foam core decks in front of the fore beam,been there done that.It can be fixed with closed cell insulating foam that also acts as an adhesive.But try to make sure the decks are solid before you buy!