The phrase "to win the contest" means to be the person or team that achieves the highest score, best performance, or overall victory in a competition or challenge. Full definition
Please note that many, if not most, works that eventually are published by a traditional publisher never win a contest for unpublished authors. (kathyide.com)
These backpacks look wonderful I have never heard of them before I will definitely look into getting one if we don't win the contest. (laurafuentes.com)
I just won a contest with ripped recipes for submitting a recipe using quest bars. (thecoconutdiaries.net)