The best photos from the four days of the PGA Championship at Kiawah Island's Ocean Course, which culminated with Phil Mickelson etching his name in the history books by becoming the oldest major winner ever.

Fans returned to the major course after being unable to attend last year because of the coronavirus pandemic.

And starting in his 112th major, Mickelson proved he was still one of the best players in the world, outplaying his younger competitors to his sixth major trophy.

In winning at aged 50, Mickelson surpassed the record previously held by Julius Boros, who won the PGA Championship in 1968 at age 48.

Phil Mickelson celebrates after winning the final round at the PGA Championship golf tournament.
Phil Mickelson celebrates after winning the final round at the PGA Championship golf tournament.
David J. Phillip/AP
Phil Mickelson hits from the 11th hole during the final round at the PGA Championship golf tournament on Sunday, May 23.
Phil Mickelson hits from the 11th hole during the final round at the PGA Championship golf tournament on Sunday, May 23.
Matt York/AP
Branden Grace looks for his golf ball with Christiaan Bezuidenhout and caddies during the final round.
Branden Grace looks for his golf ball with Christiaan Bezuidenhout and caddies during the final round.
Patrick Smith/Getty Images
Rory McIlroy plays from a sand area on the 17th green.
Rory McIlroy plays from a sand area on the 17th green.
Cliff Hawkins/Getty Images
Kevin Streelman lines up a putt on the third green.
Kevin Streelman lines up a putt on the third green.
Sam Greenwood/Getty Images
Matt Wallace plays his shot from the seventh tee.
Matt Wallace plays his shot from the seventh tee.
Cliff Hawkins/Getty Images
Joaquin Niemann plays a second shot from a sand area on the second hole.
Joaquin Niemann plays a second shot from a sand area on the second hole.
Patrick Smith/Getty Images
Phil Mickelson hits his second shot on the 16th hole surrounded by spectators on Saturday, May 22.
Phil Mickelson hits his second shot on the 16th hole surrounded by spectators on Saturday, May 22.
David J. Phillip/AP
Harry Higgs reacts to a shot on the 17th hole.
Harry Higgs reacts to a shot on the 17th hole.
Stacy Revere/Getty Images
A fan watches from a boat near the fourth hole of the course on Kiawah Island, South Carolina.
A fan watches from a boat near the fourth hole of the course on Kiawah Island, South Carolina.
Patrick Smith/Getty Images North America/Getty Images
Gary Woodland watches his shot on the second hole.
Gary Woodland watches his shot on the second hole.
David J. Phillip/AP
Fans walk to the first hole during the third round at the PGA Championship golf tournament on May 22.
Fans walk to the first hole during the third round at the PGA Championship golf tournament on May 22.
Matt York/AP
Richy Werenski plays a shot from the sand.
Richy Werenski plays a shot from the sand.
Patrick Smith/Getty Images
Phil Mickelson takes his tee shot on the 16th tee.
Phil Mickelson takes his tee shot on the 16th tee.
David J. Phillip/AP
Louis Oosthuizen plays his shot from the eighth tee during the second round of the 2021 PGA Championship on Friday, May 21.
Louis Oosthuizen plays his shot from the eighth tee during the second round of the 2021 PGA Championship on Friday, May 21.
Patrick Smith/Getty Images
Fans watch a golfer play the seventh green during the second round.
Fans watch a golfer play the seventh green during the second round.
Patrick Smith/Getty Images
Phil Mickelson plays his shot from the 15th tee.
Phil Mickelson plays his shot from the 15th tee.
Sam Greenwood/Getty Images
Tony Finau, right, gets a ruling on the 16th hole.
Tony Finau, right, gets a ruling on the 16th hole.
Chris Carlson/AP
Branden Grace lines up a putt on the third hole.
Branden Grace lines up a putt on the third hole.
Chris Carlson/AP
Jason Day jumps up to see over a bunker before taking his shot on the 13th hole.
Jason Day jumps up to see over a bunker before taking his shot on the 13th hole.
David J. Phillip/AP
Joaquin Niemann hits his tee shot on the seventh tee.
Joaquin Niemann hits his tee shot on the seventh tee.
Chris Carlson/AP
Ian Poulter and Sungjae Im read their yardage on the second hole.
Ian Poulter and Sungjae Im read their yardage on the second hole.
Darren Carroll/PGA of America/Getty Images
Brendan Steele hits his third shot on the 15th hole.
Brendan Steele hits his third shot on the 15th hole.
Darren Carroll/PGA of America/Getty Images
Webb Simpson greets fans as the walks to the second fairway during the first round on Thursday, May 20.
Webb Simpson greets fans as the walks to the second fairway during the first round on Thursday, May 20.
David J. Phillip/AP
Brian Gay hits out of the rough on the 16th hole.
Brian Gay hits out of the rough on the 16th hole.
Darren Carroll/PGA of America/Getty Images
Wyndham Clark points to the direction of an errant tee shot on the eighth hole.
Wyndham Clark points to the direction of an errant tee shot on the eighth hole.
Matt York/AP
Masters champion Hideki Matsuyama looks on near the 17th green during the first round.
Masters champion Hideki Matsuyama looks on near the 17th green during the first round.
Jamie Squire/Getty Images
Tim Pearce plays his shot off the 17th tee.
Tim Pearce plays his shot off the 17th tee.
Maddie Meyer/PGA of America/Getty Images
Adam Scott walks up the third fairway during the first round.
Adam Scott walks up the third fairway during the first round.
Patrick Smith/Getty Images
Garrick Higgo hits his shot on the practice range ahead of the first round of the 2021 PGA Championship at the Ocean Course of Kiawah Island Golf Resort.
Garrick Higgo hits his shot on the practice range ahead of the first round of the 2021 PGA Championship at the Ocean Course of Kiawah Island Golf Resort.
Darren Carroll/PGA of America/Getty Images
Dustin Johnson signs autographs for fans on the 18th hole during practice.
Dustin Johnson signs autographs for fans on the 18th hole during practice.
Keyur Khamar/PGA TOUR/Getty Images
An alligator crosses the sixth green during a practice round prior to the major.
An alligator crosses the sixth green during a practice round prior to the major.
Gregory Shamus/Getty Images
Fans walk during a practice round prior to the 2021 PGA Championship.
Fans walk during a practice round prior to the 2021 PGA Championship.
Maddie Meyer/PGA of America/Getty Images