"I got an idea." Mark said. "How about this. if I win the next race, all of you will run naked for the rest of the day. We can make it so that nobody will pay attention.
"And if you lose?" Mark thought of something.
"Then for two hours, I'll become a body part for one of you." Mark suggested.
The girls looked at each other. Four against one? he didn't stand a chance. "Fine." you all agree.
Lining up you take your positions.