In 2013, the 4th Aloha Cup Round Hainan Regatta was held from March 21 to 30. Besides sailing rallies, the race also consists of new interesting and challenging round island sailing rally which is 750 miles. Total 39 teams participated in the game, including IRC1, IRC2, SOTO21 classes. Among which, the SOTO27 is the first one design class in the history of the race. There are 6 international teams invited by the organizing committee and the sailors are from Holland, Russia, Malaysia, Hong Kong, etc. They will participate in all the IRC1 races.