Golf Ball Marking Rules: How to Mark, Lift, and Replace Your Ball

Marking your ball on the green is one of the first rules every beginner needs to learn — and one of the easiest to get a penalty from if you forget to move the marker back. Here is the complete guide: what to use, when to mark, and the one thing players forget that costs two strokes.

⚠️ The most common ball-marking mistake

Moving your marker sideways to get out of someone's line is fine — but you must move it back before you replace and putt. Players forget this surprisingly often. If you stroke the ball from that wrong spot, it's a 2-stroke penalty in stroke play. Build "move the marker back" into your pre-putt routine and it never happens.

Ball marking situations at a glance

Situation	Status	What to Do
Your ball is in another player's putting line	Mark if asked	Any player may ask you to mark and lift. You do not have to mark if nobody asks, but it is courtesy to offer.
Your ball might interfere with another player's stroke	Required if asked	Under Rule 15.3, you must lift if asked by any player who believes your ball could influence their stroke or distract them.
You want to clean mud off your ball on the green	Allowed	Mark first, then lift and clean. You may clean your ball anytime you lift it on the putting green (Rule 14.1c).
You want to align your ball's logo toward the hole	Allowed	Mark, lift, align, then replace. No penalty. Many players use this to aim a line at the hole.
Your ball is off the green but close to it	Generally not entitled	The putting-green ball-mark rule applies on the green only. Off the green, you can only lift for interference under specific rules (GUR, embedded ball, etc.).
Your marker is accidentally in another player's line	Move the marker sideways	Move your marker one or two putter-head lengths to the side (perpendicular to the putt line). REMEMBER to move it back before you replace your ball and putt.

How to mark and replace your ball — step by step

Step 1

Place a coin or flat marker directly behind your ball

Set your marker (a coin, poker chip, or purpose-made marker) immediately behind the ball — as close to the back edge as possible. Do not place it to the side or in front; directly behind is the standard position. If another player's putting line still runs through your marker, you may move the marker one or more putter-head lengths to the side.

Step 2

Lift the ball straight up off its spot

Pick the ball up cleanly, without moving the marker. The moment you lift the ball, your marker holds the exact spot. Write a letter or draw a line on your ball beforehand so you can confirm it's yours when you replace it.

Step 3

Clean the ball if desired (putting green only)

On the putting green you may clean your ball whenever you lift it — wipe off mud, grass, or water. Off the green, cleaning is only allowed in specific situations (penalty area relief, unplayable lie, etc.), not freely.

Step 4

Replace the ball on the exact same spot

Place the ball directly in front of your marker, touching the same blade of grass. Do not drop it — replacement means setting it down by hand. If you accidentally place it in the wrong spot, correct the mistake before you stroke. Playing from the wrong spot is a 2-stroke penalty in stroke play.

Step 5

Remove the marker before you stroke

Pick up your coin or marker before you putt. Putting with the marker still down is a 2-stroke penalty if the stroke is made — and if the putt hits the marker, that adds another stroke. It sounds harsh but is easy to avoid: develop a routine of picking up the marker as part of your pre-putt setup.

Frequently asked questions

Do you have to mark your ball on the green?

You are not required to mark unless another player asks you to. However, if your ball is on or very near the putting green and another player asks, you must mark it under Rule 15.3. Good etiquette means offering to mark any time your ball is near another player's line.

What can I use as a ball marker in golf?

Anything small and flat works: a coin, a poker chip, a dedicated ball marker, or even a tee pushed into the ground. The Rules (Rule 14.1b) require only that the marker be small and placed directly on or next to the ball. Stick to coins or purpose-made markers to avoid awkward situations.

Can I mark my ball off the putting green?

The free-lift rule for ball-on-green interference (Rule 15.3) only applies on the putting green. Off the green, you can mark and lift under specific relief rules (GUR, immovable obstruction, embedded ball) but not simply because you feel like it.

What is the penalty for putting without replacing my ball on its exact spot?

Playing from the wrong spot is a 2-stroke penalty in stroke play (Rule 14.7). If the ball was lifted and replaced in the wrong position, you should correct the error before playing. In match play, you lose the hole.

How do I move my marker out of another player's line?

Pick a landmark (a tree, a flagstick pole, anything) and use your putter head as a measuring stick. Move the marker one putter-head length to the side, then set the putter-head perpendicular to the putting line as a reference point. CRITICAL: move it back the same number of steps before you replace your ball. Forgetting to move it back means you play from the wrong spot — 2-stroke penalty.

Can I clean my ball every time I mark it?

On the putting green, yes — you may clean your ball anytime you lift it on the green (Rule 14.1c). Off the green, cleaning is only allowed under specific relief rules. If you are on the green, clean away.

What happens if I accidentally move my ball while marking it?

No penalty (Rule 13.1d). If you accidentally move your ball or ball marker on the putting green while in the act of marking, just replace the ball at the original spot without penalty. This commonly happens when a gust of wind catches the ball as you lean over it.

Is it a penalty if my ball marker is in another player's line and they putt over it?

No penalty for the other player — their ball hitting your marker is treated like hitting any other equipment (no penalty, play the ball from where it ends up under Rule 11.1). However, you should always offer to move your marker if it is anywhere near a line of putt.