Closest possible finish (4,4)
I believe the answer is:
dead heat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">closest possible finish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dead heat that I've seen before include "no decisive result" , "Tied race result" , "Tie for first place in race" , "Closest possible finish" , "Produce tie" .)