The phrase "to run the competition" means to organize or manage a competition or contest.
Sentences with «to run the competition»
But running a competition with so many aspects takes time and money. (treehugger.com)
Many companies will be willing to pay for running a competition on your blog as it can bring great social media engagement, often more so than a normal post. (monetizepros.com)
We also run competitions throughout the year for the most popular erotic stories. (flirthut.com)