Congrats PegSolutions! Although it's strange there's a winner when the contest is still running for a day and we can still submit designs? Maybe the contest holder clicked wrong and accidentally clicked PegSolutions as the winner? (same happened on the McLaren Marine logo contest).
I posted this message a day ago, but perhaps you didn't see or read it. I asked this question to the support desk about a week ago and what I posted is the reply I received from them.
There is no voting system for the contests. The stars are a rating system for the client (Contest Holder), which informs the contest submitters how close their design is to what the client is requesting.