Goes quickly (5)
I believe the answer is:
races
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">goes quickly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for races that I've seen before include "Competitions; ethnic groups" , "Speed competitions for various peoples" , "Running competitions" , "Rushes" , "Speed contests for horses, cars etc" .)