PGA Championship 2019 tee times: Round three starts and pairings for Brooks Koepka, Jordan Spieth and more

Koepka is the man to beat after a stunning opening two rounds at Bethpage

Brooks Koepka is the man to beat at the US PGA Championship as he continues to dismantle the field at Bethpage.

Koepka followed his course record of 63 on Thursday with a second round of 65 on Friday for a halfway total of 128, two shots better than the previous lowest in major history shared by Nick Faldo, Brandt Snedeker, Martin Kaymer, Jordan Spieth and Gary Woodland.

At 12 under par the 29-year-old enjoyed a seven-shot lead over Spieth and Adam Scott, surpassing the previous biggest 36-hole lead in tournament history of five shots set by Nick Price in 1994.

Here's who is out when:

All times BST

1250 — Joost Luiten, Lucas Herbert.

1300 — Justin Harding, J.T. Poston.

1310 — David Lipsky, Shane Lowry.

1320 — Kiradech Aphibarnrat, Andrew Putnam.

1330 — J.J. Spaun, Thomas Pieters.

1340 — Corey Conners, Rob Labritz.

1350 — Rich Beem, Rafa Cabrera Bello.

1400 — Adam Long, Ryan Vermeer.

1410 — Cameron Smith, Abraham Ancer.

1420 — Jason Day, Kevin Tway.

1430 — Thorbjorn Olesen, Rory McIlroy.

1440 — Emiliano Grillo, Tony Finau.

1450 — Jason Kokrak, Cameron Champ.

1500 — Haotong Li, Alex Noren.

1510 — Charley Hoffman, Graeme McDowell.

Koepka leads at halfway (USA TODAY Sports)

1520 — Adam Hadwin, Henrik Stenson.

1530 — Kurt Kitayama, Sam Burns.

1550 — Joel Dahmen, Billy Horschel.

1600 — Aaron Wise, Marty Jertson.

1610 — Brandt Snedeker, Max Homa.

1620 — Webb Simpson, Beau Hossler.

1630 — Pat Perez, Danny Willett.

1640 — Lucas Glover, Paul Casey.

1650 — Lucas Bjerregaard, Ross Fisher.

1700 — Tyrrell Hatton, Francesco Molinari.

1710 — Matt Kuchar, Jimmy Walker.

1720 — Zach Johnson, Phil Mickelson.

1730 — Gary Woodland, Keegan Bradley.

1740 — Charles Howell III, Matt Fitzpatrick.

1750 — Chez Reavie, Xander Schauffele.

1800 — Scott Piercy, Mike Lorenzo-Vera.

1810 — Patrick Cantlay, Bronson Burgoon.

1820 — Rickie Fowler, Hideki Matsuyama.

1840 — Tommy Fleetwood, Louis Oosthuizen.

1850 — Harold Varner III, Erik Van Rooyen.

1900 — Sung Kang, Jazz Janewattananond.

1910 — Justin Rose, Danny Lee.

1920 — Matt Wallace, Luke List.

1930 — Dustin Johnson, Kelly Kraft.

1940 — Adam Scott, Daniel Berger.

1950 — Brooks Koepka, Jordan Spieth.