A race participant in a white jersey numbered 442 jogs beside a metal fence , behind which people dressed warmly are standing , while in the foreground is a person in a blue jogging jersey .
It is impossible that the two racers stretch indoors before the race .
It is impossible that the two racers stretch indoors before the race .
There is a better than even chance that the two racers stretch indoors before the race .
The two racers stretch indoors before the race .