How to Mark a Golf Ball: Rules, Etiquette and What to Use
Lifting your ball without marking it first costs you a stroke. It's one of the simplest rules in golf and it still catches people every single weekend, usually when they pick up to clean the ball without thinking.
Here's everything worth knowing about marking your ball: the actual rules, the etiquette your playing partners silently judge you on, and what to use instead of raiding the car ashtray.
The rule, in plain English
Under Rule 14.1 of the Rules of Golf, when your ball is on the putting green you can lift it whenever you like, but you must mark its spot first. Place a ball marker directly behind or right next to the ball, then lift it. When you replace the ball, it goes back on its original spot, and the marker comes up before you putt.
Get the order wrong and it costs you:
- Lift without marking: one penalty stroke. The classic absent-minded mistake.
- Putt from the wrong spot after a sloppy replacement: general penalty (two strokes in stroke play).
- Putt with the marker still on the ground behind the ball: one penalty stroke. Rarer, but it happens when the marker is small enough to forget. Another argument against the 5p.
One reassuring exception: if you accidentally nudge your ball or marker while marking or replacing on the green, there's no penalty. Put it back and play on (Rule 13.1d).
What counts as a ball marker
The rules define a ball marker as an artificial object: a purpose-made marker, a coin, a tee, even another small piece of equipment. So yes, the 10p is legal. So is a poker chip.
What doesn't count is anything natural. A leaf, a twig or an interesting pebble won't do, however confident your mate sounds about it.
Legal doesn't mean good, though. A proper marker earns its place three ways: enough weight to stay put in wind (around 10g), enough size to be visible to everyone on the green (20 to 30mm), and a magnetic body so it lives on your hat clip or divot tool instead of loose in the bag. We've ranked our picks in the best golf ball markers for 2026.
How to mark your ball, step by step
- Walk in, place your marker directly behind the ball. Don't lift the ball first. Ever.
- Lift the ball and clean it if you want. This is the moment your golf towel earns its clip.
- When it's your turn, replace the ball in front of the marker, on the original spot.
- Pick up the marker. Then putt.
That's the whole ceremony. If you use a ball with an alignment line, you're allowed to aim the line while replacing; take a reasonable amount of time doing it or the group behind will start aiming at you.
Moving your marker off someone's line
When your marker sits on another player's line, they can ask you to move it. The standard move: pick a fixed point (a tree, a sprinkler head), set your putter head down sideways from the marker toward it, and move the marker one putter-head length across. Two lengths if they ask.
The part that matters: move it back before you replace your ball. Play from the moved spot and it's a general penalty for playing from a wrong place. Pros with cameras on them have made this exact mistake, so build a habit that survives pressure. Common trick: flip the marker upside down, or swap it to the other hand's pocket, anything that feels wrong until you've moved it back.
The etiquette bit
Nobody will call a penalty on you for these, but they're noticed:
- Don't stand on anyone's line, and drop your marker gently rather than tossing it at the green.
- Mark promptly when your ball is in someone's way; don't make them ask.
- Mark, then think. Reading your putt with the ball still down while others wait is how slow-play reputations start.
- A marker your partners can actually see saves everyone the "you right there?" conversation. Visibility is a courtesy, and it's half the reason ours are designed the way they are.
Marking FAQs
Do you have to mark your ball on the green? Only if you want to lift it. You can putt with the ball as it lies, and when balls are far apart most golfers do. But if you lift it, for cleaning or because it's in someone's way, marking first is mandatory.
Can you mark your ball anywhere else on the course? You can only lift a ball elsewhere when a specific rule allows it (relief, identification, embedded ball checks), and some of those require marking or telling a playing partner first. The green is the only place lifting is a free-for-all, which is why it's where the marking habit matters.
What happens if the wind moves my marker? Nothing. Put it back and carry on. Natural forces moving a marker carries no penalty.
Is a magnetic ball marker legal? Completely. Magnetism only affects how you carry it: on a hat clip or snapped to a pitch mark repairer, which keeps both tools in your hand for the two jobs you do on every green.
The rule takes ten seconds to learn and the habit takes one round to build. The kit costs £11.99: shop golf ball markers and retire the ashtray coin with honour.