{why there should be this opposite result for what is basically the same situation?}
If you're going to use this logic, do some further analysis adding margin of victory into the equation:
In a double breakout situation was the racer further under his dial and also through the finish line first?
If so the racer broke out first AND broke out by more.
Therefore first and worst.
In the races I have lost on a double breakout I have taken the stripe