Seeing an area of your course painted with white lines can be confusing, but encountering what's known as GUR is actually a good thing for you and your score. Understanding what GUR means in golf will not only help you follow the rules correctly but also use them to your advantage. This guide will walk you through exactly what Ground Under Repair is, how to identify it, and the step-by-step process for getting a free drop so you can play your next shot with confidence.
"GUR" is simply an acronym for Ground Under Repair. It refers to any part of the course that has been marked by the committee or course superintendent as being in an abnormal condition. The main purpose of marking an area as GUR is twofold:
While the most common reason for GUR is repairing damaged turf, it can be delcared for several reasons by the course committee:
Ground Under Repair is just one type of what the Rules of Golf call an "Abnormal Course Condition." This category also includes things like casual water, animal holes, and immovable obstructions (like a sprinkler head or cart path).
Knowing that you get relief is great, but first, you have to be certain the area you're in qualifies as GUR. The good news is that golf courses are usually very clear about it.
Here’s how to spot GUR:
The most common and universal signal for Ground Under Repair is an area enclosed by white paint. If your ball, stance, or the area of your intended swing is inside this painted line, you are in GUR.
Sometimes, a course might use stakes (usually white) or rope to define the GUR area. The line between the stakes or along the rope defines the boundary. If it’s unclear, always assume the GUR is defined by the straight line between the outside points of the stakes.
In less common cases, you might just see a sign that says "GUR" or "Ground Under Repair." This is often used for larger, more obvious areas where painting lines isn't practical.
Occasionally, you will come across a spot that is clearly damaged but has no markings. Perhaps the maintenance crew just finished a repair and haven't had a chance to paint it yet. In these rare cases, you unfortunately don't get automatic GUR relief. GUR has to be declared by a course official or committee for the rule to apply. In a competition setting, you could ask a rules official for a clarification, but in a friendly round, you generally have to play it as it lies unless the condition is so bad that you can get free relief from a similar condition like "casual water."
The rules pertaining to GUR are a player's best friend. These procedures fall under Rule 16: Relief from Abnormal Course Conditions. The most important thing to remember is that relief from GUR is almost always free.
You are entitled to take free relief when one of three scenarios exists:
There is one small catch. The rules prevent you from taking advantage of GUR in a completely hopeless situation. Relief is not allowed if interference from the GUR exists only because you choose a club, type of swing, or direction of play that is "clearly unreasonable."
For example, if your ball is deep inside a thick bush that happens to be inside a GUR an area, you can't claim relief for your stance. Since you couldn't make a reasonable swing at the ball anyway because of the bush, the existence of the GUR is irrelevant. You will need to take penalty relief from the bush itself another way (unplayable lie).
Okay, you’ve found your ball in GUR, and you’re confident you get relief. Now what? Taking a proper drop can seem intimidating, but if you follow these steps, it’s simple. As a coach, this is one of the most common procedures I walk players through on the course.
Before you pick up your ball, double-check that you truly have interference with your ball, stance, or swing. If so, feel free to pick up your ball to begin the relief procedure. You can clean it, too!
This is the concept that confuses the most golfers, but it’s simpler than it sounds. The Nearest Point of Complete Relief is the spot on the course nearest to where your ball lies, but not nearer the hole, where you can take a stance and make a swing with no interference from the GUR.
To find it, you can take the club you would have used for your next shot and simulate tiny practice swings, moving away from the GUR until you are entirely free. The spot right where your club head would hit the ball without any interference is your reference point: the NPCR. Mark this spot with a tee.
From the NPCR you just identified, you get to measure out your "relief area."
You get one club-length from that reference point. Again, this area can be no closer to the hole. The best practice is to take your longest club (your driver) for measuring to give yourself the most room. Lay your driver down starting at the tee you used to mark your NPCR, and place another tee at the other end. You now have a one club-length radius to drop in (forming a semi-circle that is not closer to the hole).
Now it's time to drop. Modern rules make this easy.
If you drop the ball and it rolls out of the relief area, you get to re-drop. If it rolls out again on the second try, you then place the ball on the spot where it first landed on the re-drop.
Once your ball is at rest in the relief area, it's officially in play. You can now go ahead and hit your shot with no penalty.
If your ball is in GUR inside a sand bunker, you must take relief following the same steps, but you must drop your ball inside that same bunker.
You still qualify for relief! Interference with your stance is grounds for a free drop. You would find your Nearest Point of Complete Relief from where your feet were, and proceed as normal.
Yes, you absolutely can. The rules give you the option for relief, but it is not mandatory. If your lie inside the GUR seems perfectly fine and taking relief might put you in a worse spot (like deep rough), you have the right to play it as it lies. However, be mindful of the reason the ground is marked – playing could damage your club or the turf, so it's usually best to take the free relief.
Ground Under Repair is not a penalty, but a helpful rule designed to protect the course and bring fairness to the game when you encounter abnormal playing surfaces. Understanding how to correctly identify GUR and take free relief by finding your Nearest Point of Complete Relief is a skill that will help you play smarter and keep your scores down.
Situations like these on the course can create uncertainty, and a lot of golfers just guess or follow what their playing partners say. If you ever feel lost navigating the Rules of Golf, we designed Caddie AI to be the expert in your pocket. You can ask for a quick ruling or for help with the procedure, and our Caddie will give you a simple, clear answer in seconds, so you can make your drop with complete confidence and focus on your shot.
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