From the following page on the Multihull Solutions Phuket Race week website:
Phuket Multihull Regatta Multihull Solutions Regatta – Phuket 2014. Dates: 10th July to 13th July 2014. About: 2014 hails the first year that Multihull Solutions is naming rights and major sponsor of the Multihull Solutions Regatta in Phuket and we are looking forward to supporting this fabulous, well established event.
This regatta is an Ao Chalong Yacht Club (ACYC) event and is run from the ACYC in mid July. Open to more boats and more divisions, the 2014 event is set to be the biggest and best yet. You too can join this “multihull only” event for three days of exciting racing and serious fun on and off the water. The fees to enter are modest, the scenery spectacular and the camaraderie is like no other!
For more details or to charter a multihull for the racing read more here