Why is Aronimink so tough at PGA?

Aronimink Golf Club’s greens and scoring conditions

At the PGA Championship, Aronimink Golf Club has lived up to its reputation as a severe test—especially on the greens, where the contours and pace have turned routine looks into high-pressure problems.

Several players have been surprised by how difficult scoring has been across the opening stages. The course’s layout and the “wild, wavy greens” are repeatedly highlighted as the main reason the field can’t separate itself with clean, low rounds. That matters because major championships are often decided by who can manage greens efficiently when speed and slope make reading putts and approaching pins less forgiving.

What the latest leaderboard suggests

The tournament context reinforces that difficulty. With conditions holding the scoring down, the competitive margin stays tight: Rory McIlroy is described as being about five shots behind the lead while remaining very much in contention. Another story frames the setup as one where “anyone who made the 36-hole cut has a chance to win,” signaling that week-long dominance isn’t guaranteed and that players still have meaningful paths upward.

Why it affects who wins

In practice, a green complex that produces inconsistent bounces and requires precise distance control tends to:

• Increase bogeys for players who miss on the wrong side of the hole
• Reward steadier ball-striking when approach shots don’t guarantee makeable putts
• Keep the leaderboard crowded because round-to-round separation is harder

That combination helps explain why the PGA Championship at Aronimink is staying volatile and why contenders can remain within striking distance even after difficult stretches.