Run playfully (7)
I believe the answer is:
scamper
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">run playfully</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for scamper that I've seen before include "Scurry, scuttle" , "Run and skip playfully about" , "Run along quickly" , "Run with quick light steps" , "Skip around" .)