With only two of them charging forward, they were outnumbered. Yet, they had no choice but to push forward.
In this critical moment, a moment of hesitation or a brief moment of pause could very well disrupt their momentum. And, if they lost the momentum right now, who knows if such an opportunity would present itself another time or not.
Due to the usage of his skill Hawk eyes, right now, Hiro could see almost everybody present around him. And, because of it, he could move ahead without getting obstructed by the incoming opposing players rushing toward him.
Though the skill allowed him to determine the players' positions around him, it wasn't omnipotent since he still had to find the path himself. The skill although powerful had its own set of flaws.