Faster than you

Two friends are walking in the jungle.
Suddenly a tiger appears in the distance running toward them. One friend
pulls a pair of 'Nikes' out of his bag and quickly puts them on.
With a surprised look, the other friend says, "You don't really think
you
can out run that tiger with those?"
"I don't need to out run the tiger", his friend replies, "I just need to
run faster than you".