Upgrading your contest to Featured is the perfect way to make your contest look more prominent on the contest list page. This way, the contest will attract more freelancers which may lead to more entries. The upgrade costs 30 USD.
To make the upgrade, hover your mouse over Hire Freelancers and click Start a Contest.
On the Start a Contest page, tick the Featured upgrade before clicking Get Entries Now.
A contest can still be upgraded to Featured even if it is already posted. To know more about changing your contest even if it had started, please read this article.