How good are you at finishing stories?

It's a well-known fact that the end of a story is always the hardest part.

Well, now it's time to put your skills to the test!

You can finish it in any way you want, make it short or long, I don't mind, but with the following story prompt I would like you to finish the story.

So here it is:

As she stopped to catch her breath, she looked behind, her eyes wide with terror.

Good luck, and let's get writing!

:-)