Sporting venue (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sporting venue</span>' is the definition.<br/ ><span class="explanation-format__explanation">(sports arena)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for arena that I've seen before include "Place for public contests" , "Sporting venue enclosed by seats" , "place for sporting contest" , "... might perform here" , "Performance space" .)
(Other definitions for playing field that I've seen before include "Sports ground" , "performing nocturne?" , "Pitch" , "level, to be fair" , "Avoiding attachment to one special" .)