A female runner dressed in blue athletic wear is running in a competition, while spectators line the street.
There are children in the streets.
The female runner suggests a lone participants at that point in time and children suggest a crowd. Also, the word competition suggests different activities for the female runner and the crowd of children.
If the female runner is running in a competition in the street, there would not be children in the streets.
Children can't be in the streets if spectators line the street