Cowes Week, for instance (7)
I believe the answer is:
regatta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cowes week for instance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that Cowes Week is a regatta)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for regatta that I've seen before include "Boat race meeting" , "Yachting gala" , "Display of boats" , "event at the seaside" , "set of marine races?" .)