Updated

PGA Championship competitors at Oak Hill County Club in Pittsford, New York, were met with an icy reception on Thursday before the first round of the second major of the year teed off.

The tournament was delayed due to frost.

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Frost at the PGA

A frost delay warning displays on a video board on the sixth hole before the first round of the PGA Championship at Oak Hill Country Club on Thursday, May 18, 2023 in Rochester, New York. (Darren Carroll/PGA of America via Getty Images)

Golfers were ordered to stay off the grass as fairways were covered by a thin layer of frost. Temperatures crashed in parts of New York from Wednesday night into Thursday morning. Luckily, temperatures are expected to go back into the 60s over the course of the day.

The PGA of America said the first tee time would be 1 hour, 15 minutes after the practice facilities are open.

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Rory McIlroy practices

Rory McIlroy at the top of his swing on the range during a practice round prior to the 2023 PGA Championship at Oak Hill Country Club on May 17, 2023, in Rochester, New York. (Keyur Khamar/PGA TOUR via Getty Images)

After nearly two hours, the tournament finally got underway.

Shaun Micheel hit the opening tee shot. The honor is bestowed upon the oldest golfer in the field. He won the PGA at Oak Hill in 2003 – his only Tour win. His group includes Braden Shattuck and Steve Alker. The group will start on Hole 1.

The group starting at Hole 10 includes Trey Mullinax, Josh Speight and Kazuki Higa.

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PGA Championship Justin Thomas

Justin Thomas celebrates with the Wanamaker Trophy after the final round of the PGA Championship at Southern Hills Country Club on May 22, 2022 in Tulsa, Oklahoma. (Ross Kinnaird/Getty Images)

Justin Thomas is the defending champion. He won the event last year in a playoff over Will Zalatoris. Thomas has won the PGA Championship twice in his career. It is the only major he has ever won.

The Associated Press contributed to this report.