Because they cant finish a race.
Derweinerslider
Hunover.
Neither of them can finish a play
Neither can finish a play.
A: Why are all those people running B: They are running a race to get a cup. A: Who will get the cup B: The person who wins. A: Then why are all the others running
He couldn't get a head.
Wait 15 seconds, they'll tell you.
He had a problem with his hamstring.