The best answer will be that you are leading and ahead of the competition. However, It can also be:
1. You are late and lost the train.
You are much too early. The competition will rise, as the train is about to arrive.
2. Your line of vision is blocked, as you move on, you will see everyone, already waiting on the platform.
3. You are getting on the wrong platform.
4. It is a dream, and you are about to wake up.