C475 The Leading Contestant.

It was a simple logic that could be understood with just a flick of his finger.

Today was the marathon, and Xue Xiong's advantage in this event was that Yang Yu would only be a weak competitor in this event.

With Xue Xiong's speed, he should have been able to surpass Yang Yu.

"Look back and see if Yang Yu is in front of you." The conductor asked again.

After a moment