Ever tuned into a PGA Tour broadcast and seen those amazing statistics pop up, showing a player's exact distance to the pin or their Strokes Gained Putting for the day? That incredible level of detail, which tells the story behind every score, is all thanks to a system called ShotLink. This article will break down exactly what ShotLink is, look at the technology and people who make it happen, and show how it has completely changed our understanding of the professional game.
At its core, ShotLink is a sophisticated real-time scoring and data-gathering system used by the PGA Tour. To put it simply, it captures the starting and ending position of every single shot hit by every player during a tournament. But it's so much more than a digital scorecard. It’s what transforms raw scoring into meaningful performance analysis.
Before ShotLink was implemented in 2001, golf statistics were fairly basic. We knew if a player hit the fairway, if they hit the green in regulation, and how many putts they took. We knew a player made a “4” on a Par 4, but we didn’t know the story of *how* they made that 4. ShotLink changed all that. Now, we know that player A hit a 312-yard drive into the right rough that was covered by trees, punched out to 134 yards from the pin, hit a stellar iron shot to 6 feet, and made the putt. We also know that player B hit a 280-yard drive into the center of the fairway, hit their approach to 45 feet, and two-putted for their par. Both players made a 4, but ShotLink tells us their journeys were wildly different and opens the door to figuring out who actually played better.
Think of it as adding high-definition context to the entire sport. It collects over 350 statistics a round on every player, painting a detailed picture that was simply unavailable a couple of decades ago.
The system is a remarkable blend of advanced technology and human power, relying on a three-pronged approach to capture data on every shot, across every hole, for the entire tournament week. What makes it even more impressive is that much of this work is done by a small army of dedicated volunteers.
The first point of data collection happens with the playing group itself. A trained volunteer, known as a “walking scorer,” follows each group for their entire round. This person holds a ruggedized handheld device, like a specialized phone or tablet. After a player hits a shot, the scorer inputs preliminary data, such as:
This initial input lays the groundwork, providing context that a laser alone can’t capture. For instance, the system needs to know it was a 7-iron from the primary rough, not a 9-iron from the fairway.
This is where the precision comes in. Positioned at strategic vantages points along the fairways and around the greens are more volunteers, each equipped with a survey-grade laser rangefinder. They work in tandem with the walking scorers. When a player hits a shot, these laser operators target the ball's final resting position and triangulate its exact coordinates on a 3D digital map of the course (X, Y, and Z axes).
For example, for a tee shot, a laser operator down the fairway "shoots" the ball's new position. For an approach shot, a greenside operator does the same. This gives ShotLink precise distance measurements for every single shot, from 350-yard drives down to 2-foot tap-in putts. The laser is so accurate it can measure a ball’s position down to the centimeter.
All of this data - from the walking scorers' handhelds and the laser operators' stations - is wirelessly transmitted in real-time to an on-site command center, affectionately known as the "ShotLink truck." Inside this mobile headquarters, a small team of PGA Tour staff and data experts piece it all together.
They act as a final quality check. If a laser reading seems off or a scorer's data doesn't quite match up, they review it and make corrections with incredible speed. For example, if a player’s drive is logged at 450 yards, they’ll quickly identify that as an error, likely caused by a laser targeting the wrong ball, and correct it. Once a shot’s data is verified - a process that takes under a minute - it’s pushed out to the world: to the on-screen graphics for TV broadcasts, to the PGA Tour’s website and app, and to the leaderboards you see on the course.
Collecting data is one thing, making it useful is another. The real power of ShotLink is the analytical revolution it sparked, which is best exemplified by the creation of "Strokes Gained" statistics. This concept, developed by Columbia Business School professor Mark Broadie using ShotLink data, is the gold standard for measuring golfer performance.
As mentioned, old-school stats like "Driving Accuracy" and "Putts per Round" were often misleading. A player who hits every fairway but is 50 yards behind everyone else isn't necessarily a great driver of the ball. A player who holes a lot of 40-footers might have a low Putts per Round total, but their great putting is just masking poor iron play. We needed a way to isolate each dimension of the game.
Strokes Gained does exactly that. It measures a player's performance on a given shot relative to the average performance of the entire field.
Here’s the basic idea: ShotLink data has established a baseline of how many shots it takes a PGA Tour professional, on average, to get the ball in the hole from every possible distance and lie on the course.
Now, let’s see an example in action. Say a player hits an approach shot from 150 yards in the fairway. Their starting value is 2.80. They hit their iron shot (that's one stroke) to land 10 feet from the cup. Their new starting value is 1.50.
The calculation is:
Starting Strokes (2.80) - Finishing Strokes (1.50) - Strokes Taken (1) = Strokes Gained (+0.30)
On that single shot, the player gained 0.3 strokes on the field average. If they had hit it to 30 feet instead (where the average to hole out is 2.05), they would have lost strokes (2.80 - 2.05 - 1 = -0.25).
By applying this logic to every discipline, ShotLink allows us to break down a player's performance into several key categories:
When you add them all up, you get a player's Strokes Gained: Total for the round, which perfectly explains why they shot the score they did.
This data-driven approach has profoundly influenced everyone in golf.
For players and coaches, it has completely changed how they practice. A player can no longer just say, "My wedges feel off." They can look at their ShotLink report and see they are losing 0.4 strokes per round specifically on shots from 75-100 yards. This takes the guesswork out and allows them to design practice sessions with laser-like focus on their actual, data-proven weaknesses. It's a massive shift from feel and assumption to fact-based improvement strategies.
For broadcasters and fans, it makes for a much more compelling viewing experience. When an announcer says, "This is not a good yardage for this player," they are often referencing specific ShotLink data. The graphs showing win probability or a player's season-long performance in specific situations all come directly from this system. It empowers fans to understand the nuances of the game on a professional level.
ShotLink has fundamentally changed professional golf, taking it from an age of simple scoring to one of deep, meaningful analysis. By meticulously tracking every shot and enabling tools like Strokes Gained, it provides the "how" and "why" behind every tournament performance, helping players, coaches, and fans understand the game with more clarity than ever before.
The pros lean on ShotLink data to eliminate guesswork and target the precise parts of their game that need work. On an individual level, I developed Caddie AI to provide a similar advantage for your own game. By offering you on-demand strategic advice for any hole, clear guidance on tricky shots, and a way to understand your own tendencies, we give you that same sense of clarity the pros get from their data, so you can make smarter decisions and play with total confidence.
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