This year, the buy-in has been lowered to $1,500, which along with the full slate of satellite qualifiers, is expected to draw a massive field.įor the past week, WinStar has been playing host to a series of side events as a part of the 2019 Labor Day River Series. Most recently, 20-year-old Will Pengelly bested an 807-entry field to win what was a $2,500 Main Event for $249,310 as part of a five-way deal. The WinStar River Poker Series has a long history dating back to 2012, which is when Aaron Massey topped a 1,396-entry field to win the title and $651,559 first-place prize. On Friday, the 2019 Labor Day River Series $1,500 buy-in, $1,500,000 guarantee Main Event will get underway, and the PokerNews Live Reporting Team will be on hand to capture all the action. WinStar Casino is set to kick off one of the most-anticipated mid-major poker tournaments of the year. Remaining 2019 Labor Day River Series Schedule.2019 Labor Day River Series Side Event Winners.