Making a hole-in-one is already one of golf's most thrilling achievements. But getting two aces in the same round? That's the stuff of legend—with odds of approximately 67 million to 1, according to the National Hole-in-One Registry.

To put that in perspective, you're roughly three times more likely to be attacked by a shark than to sink two balls from the tee in one round. It's about as rare as being struck by lightning—twice.

The Math Behind the Magic

The astronomical odds stem from compounding probabilities. For an average golfer, the chance of making a single hole-in-one is about 1 in 12,500. Low handicap players improve those odds to around 1 in 5,000, while PGA Tour professionals work with approximately 1 in 2,500 to 3,000 odds.

When you calculate the probability of doing it twice on a course with four par-3 holes, the numbers explode into the tens of millions. Some calculations put it even higher—at 1 in 162 million.

It Actually Happens

Despite the staggering odds, golfers have beaten the probability gods. The feat has been accomplished three times on the PGA Tour:

Yusaku Miyazato in 2006
Brian Harman in the final round of the 2015 Barclays (who went on to win the 2023 Open Championship)
Frank Bensel Jr. at the 2024 U.S. Senior Open, who incredibly made back-to-back aces

Englishman John Hudson achieved the double ace at the European Tour's Martini International at Royal Norwich in 1971. More recently, amateurs have joined the club—from an eighth grader in Hesston, Kansas to weekend warriors whose stories go viral when they defy the 67 million to 1 odds.

The Perfect Storm

What does it take? Beyond skill, you need the right course setup with accessible par-3s, favorable weather conditions, and—let's be honest—a massive dose of luck. Even tour professionals who hit thousands of practice balls can go entire careers without experiencing this phenomenon.

The rarity makes it all the more special. When it happens, it's not just a statistical anomaly—it's a moment that transforms an ordinary round into an unforgettable story, the kind golfers tell for the rest of their lives.

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