Who will win the Race ? Explain Why ?

Mick and John were in a 100 meter race.
When Mick crossed the finish line, John was only at the 90 meter mark.
Mick suggested they run another race.
This time, Mick would start ten meters behind the starting line.
All other things being equal, will John win, lose, or will it be a tie in the second race?
Explain why?