Ever wondered what it really feels like to win a major championship? Most of us will never experience it — but we can get a glimpse into the physiology behind the highs and lows of a major Sunday thanks to data provided by Whoop, the wearable fitness tracker endorsed by Rory McIlroy.

On Monday, Whoop shared McIlroy’s numbers from the final round of the Masters, and one factor stood out above everything else: his composure under pressure.

When McIlroy took a two-shot lead into the final hole, his heart rate told a compelling story. According to Whoop, McIlroy’s resting heart rate is in the  47- to 49-beats-per-minute range, but after his wayward tee shot into the trees right of the fairway on 18, his rate spiked to 135 BPM — a normal response in a high-stakes moment. But McIlroy quickly regained control. By the time he stepped into his second shot, his heart rate had dropped to 121 BPM.

After McIlroy hit his approach into the front greenside bunker, his heart rate rose again to 136 BPM, but he again quickly settled himself. On his par putt, McIlroy’s heart rate fell to 117 BPM before dropping to BPM over his winning tap-in.

The data points to a striking conclusion: In the moments most players tense or speed up, McIlroy did the opposite — he slowed himself down.

McIlroy exhibited the same pattern of calm and control across the entire tournament. His recovery scores remained consistently high — 87% on Sunday, peaking at 94% — signaling that his body stayed primed. His strain reached 16.8, which reflects sustained effort without tipping into fatigue.

Sleep, often overlooked, also gave him an edge. He logged over 9 hours Saturday night into Sunday (92% sleep performance) and averaged 8.5 hours across the weekend. His resting heart rate stayed remarkably steady, between 47–49 BPM — proof that his elite conditioning and recovery was paying off.

And the workload was no joke: more than 24,000 steps on Sunday alone, and more than 91,000 across all four rounds.

The takeaway? McIlroy has learned to steady himself under pressure. In his most intense moments, he doesn’t let adrenaline take over — he reins it in and regains control. Down the stretch, that composure can make all the difference.

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The par-4 5th hole, which also works right to left off the tee, ranks in the middle of the pack in terms of approach shot difficulty for right-handed players, with the 9th-toughest green in regulation rate since 2015. For lefties, it ranks 5th-toughest, yielding a GIR rate 4.1% lower than their right-handed counterparts.

The par-4 10th hole produces the largest green in regulation rate advantage for left-handed players. Since 2015, lefties have hit the green about 6% more often than righties.

On the famed par-3 12th, left-handed players make birdie 4% more often than righties, and the left-handed scoring average is 0.13 strokes lower than it is for righties (the second-largest advantage on the course).

No single hole has generated a larger statistical advantage for lefties than the hard dogleg-left par-5 13th. Since 2015, left-handed players have hit the 13th fairway 82% of the time, or 11.4% more than the field average. That has led to a birdie or better rate 11.5% higher for lefties than the rest of the field. The memories match the math: think of some of the incredible shots Mickelson and Watson have hit at 13.

The par-3 16th generates the largest disparity of green in regulation rate on the course. Since 2015, right-handed players hit the green in regulation at Redbud about 75% of the time. For lefties, that rate is 11% lower. A stock right-handed fade at 16 requires moving the ball over the water that sits left of the green. This wide differential suggests that righties are more prone to a conservative approach there (find the middle of the green) while lefties take on more risk (attacking the pin).

While Augusta National’s par-4 18th moves slightly left to right, lefties have a slightly higher fairway hit rate (+2.3%), green in regulation rate (+2.8%) and birdie or better rate (+0.9%) than right-handed players. Hole shape isn’t the only determining factor in these statistical differences, but it is inarguably the biggest one.

Conclusion

In broad strokes, the stats indicate that left-handed players in the Masters do not have a meaningful advantage over righties. But the course does ask different questions of the players depending on what side of the ball they stand — and in several key spots, the numbers tell you, it’s much more comfortable to be on the left side.

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Working on your golf game alone can be daunting. With so many factors at play, it’s hard to know where to focus — especially since what works for one player may not work for another.

Launch monitors can help cut through the guesswork by offering objective, personalized feedback. They track key swing metrics and provide actionable insights that translate directly to better performance.

Still, with all this data at your fingertips, it’s easy to feel buried in the numbers. Which metrics will actually move the needle, and which are just noise? According to GOLF Top 100 Teacher Joe Plecker, two data points are essential if you want to build a consistent, reliable swing: face angle and club path.

Here’s a closer look at each — and how they directly influence your swing.

Full Swing KIT Launch Monitor

The Full Swing KIT Launch Monitor is engineered with the most advanced radar technology and a high-resolution camera to give you 16 points of data and video to see your swing in perfect clarity. Tested & trusted by Tiger Woods, made for everyone.
5D Machine-Learning Enhanced Radar

The most innovative radar technology, patented to get the most accurate readings in a more compact design at a lower cost.
Heads-Up Display
The only launch monitor to let you see what mattes on a customizable full-color display. 
Portable
Build to be taken to and from the course with quick & easy setup to get your practice started faster. 

“I KNOW THAT FULL SWING IS MEASURING MY GOLF BALL, NOT GUESSING AT IT.”- Tiger Woods

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Face angle: Understand where your clubface

Face angle measures the horizontal direction your club face points at impact. In simple terms, it tells you whether your face is square, open or closed. A perfectly square face reads as 0 degrees — but in reality, very few golfers consistently hit exactly 0. So understanding the different numbers is key.

For right-handed players, a positive number indicates an open face, which pushes the ball to the right. A negative number signals a closed face, sending the ball left.

Tracking face angle lets you see the true starting direction of your shots. More importantly, it provides insight into how well you control ball flight, helping reduce common mishits like hooks and slices. By keeping an eye on this single metric, you gain a critical reference point for dialing in a straighter, more predictable swing.

Club path: Track swing direction

Club path measures the direction your club travels throughout your swing, offering a window into the mechanics of your swing. For right-handed golfers, a positive reading indicates an in-to-out path, which typically produces a draw. While a negative reading reflects an out-to-in path, often resulting in a fade.

Analyzing club path reveals how your swing plane and body rotation influence ball flight. It shows whether your club is approaching the ball on the correct angle and can even uncover subtle flaws that lead to inconsistencies or frustrating shots.

When examined alongside face angle, club path completes the picture of your game — explaining not just where the ball starts, but why it behaves the way it does. Together, these metrics provide the insight needed to develop a precise, repeatable swing.

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(BUFFALO, N.Y.) – GENIUS – a new, first-of-its-kind golf ball featuring embedded electronics that capture crucial putting data – will debut at the 2026 PGA Merchandise Show in Booth 1715.

Benefitting golfers of all abilities and PGA coaches, GENIUS is the only regulation-size, regulation-weight smart golf ball that looks, feels and rolls like a premium, Tour-quality ball.  Its core contains a sophisticated sensor array that identifies the moment of impact, plus skid and roll of the ball, resulting in precise data that external devices cannot reliably detect. 

Crucial performance metrics like velocity, launch angle, side spin, skid distance, roll characteristics, deceleration pattern, consistency across strokes and green speed are captured and, using proprietary algorithms, processed and delivered via Bluetooth to the GENIUS app on a user’s smartphone.

The GENIUS app then instantaneously shares actionable feedback specific to each user’s unique putting stroke.  The guided sessions improve alignment, direction and distance control, skid and roll quality, lag putting and other core disciplines.

Developed over five years of intense R&D by leading golf ball engineers formerly with Titleist, TaylorMade and Srixon, GENIUS delivers pinpoint-accurate insights at a fraction of the cost of high-end indoor putting studio systems. Two-time PGA Championship winner Dave Stockton, Sr., along with his fellow acclaimed putting coaches and sons Dave, Jr. and Ron Stockton, heavily contributed to GENIUS’s groundbreaking technology.

“Putting is where pros make money and amateurs make memories, and in my 35 years of teaching, I’ve never worked with a product as consequential as GENIUS,” said Ron Stockton.  “It will change how I teach and stay connected to my players 24/7.”

“Data has historically been focused on the full swing despite putting accounting for 40 to 45% of the average golfer’s strokes,” said Mike Jordan, Chief Executive Officer of GENIUS and a 25-year veteran of golf ball innovation.  “This imbalance is where the breakthrough GENIUS fits – electronics inside a golf ball identify exact problems and associated fixes, keeping the complicated super simple.”

To prevent potential information overload, captured putting data is distilled down to a GENIUS Stroke Score, a simple benchmark that tracks elite-level patterns and improvement and, through the GENIUS app, compares performance against the broader GENIUS community.

GENIUS is effective outdoors on practice greens – for everything from tap-ins to long lag putts – and indoors on mats, floors and carpets.  There is no need for setup, face stickers or alignment rods – just drop a ball and start rolling putts.

The GENIUS ball boasts a battery life of around 10,000 putts.  When a ball nears its end-of-life, the GENIUS system will automatically detect it as long as a user’s subscription is active and ship a free replacement.

Three GENIUS balls, a carrying case and annual app subscription is $240.  Initial product shipments are planned for Q2 2026 with pre-orders taken at the PGA Show. 

About GENIUS

GENIUS is a sports tech company with putting as the first application of its patented smart golf ball and future uses planned for all clubs in the bag.  Meticulously engineered to significantly improve putting, it is the first, new and only ball of its kind with electronics inside.  Data is transmitted from the ball to a user’s phone, measuring skid, stimp, side spin, launch angle, face angle, distance, roll stability and more.  Playing like a Tour-level ball, GENIUS shows golfers how to intuitively use the data to putt more on-line and in the hole.

More information: www.geniusball.golf, info@geniusball.golf, @thegeniusball (Instagram)

Stephen Reynolds
Reynolds Media Group
stephen@reynoldsmediagrp.com
703-344-6031

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