How to Stop Chunking Irons:
Causes & Fixes

A chunk — also called a "fat shot" or "heavy shot" — happens when your club hits the ground before the ball. Instead of ball-first contact followed by a divot in front of the ball, the club digs into the turf behind the ball. You get a wall of grass and dirt flying through the air, and the ball limps forward about 40% of its normal distance.

I used to chunk my 7-iron so badly on approach shots that I started aiming 20 yards long just to compensate. That's not a strategy — that's admitting defeat. The real fix is understanding what's going wrong mechanically.

Every chunked shot shares one thing in common: the lowest point of your swing arc is behind the ball instead of in front of it. With a good iron shot, the club should contact the ball first, then take a divot that starts at the ball and extends 2-4 inches toward the target. When you chunk it, that divot starts 2-6 inches behind the ball. Your club has already spent its energy digging into the ground before it ever reaches the ball.

There are several reasons this happens — poor weight transfer, incorrect ball position, casting the club, trying to lift the ball, and tension. Let's break each one down.

Here's the concept that changed everything for me: your swing has a low point, and that low point needs to be in front of the ball, not behind it.

Think of your swing as a circle. The club traces an arc from the top of the backswing, down through the ball, and up into the follow-through. Somewhere along that arc, the club is at its absolute closest point to the ground — that's your low point. Tour players consistently place their low point 3-4 inches ahead of the ball (toward the target). This is why pros take divots that start at the ball or slightly in front of it.

When you chunk, your low point is behind the ball — sometimes way behind it. The club reaches its lowest point before the ball, digs into the turf, decelerates, and either stops dead or continues with far less speed into the ball. The result is a weak, short shot that barely gets airborne.

What determines where your low point is? Three things:

• Where your weight is at impact. If your weight is on your front foot, the low point moves forward. If your weight is stuck on your back foot, the low point stays behind the ball.
• Where the ball is in your stance. If the ball is too far back, the club has already passed its low point. If the ball is too far forward while your weight hangs back, you'll chunk it every time.
• When you release the club. If you "cast" the club (releasing your wrist angle early), the club reaches full extension too soon and the low point moves behind the ball.

Fix any one of these three and your chunking will improve immediately. Fix all three and it'll disappear.

Ball position is the fastest fix for chunking because you can change it instantly — no swing changes required. If the ball is too far forward in your stance, your club will reach the ground behind the ball even with a decent swing.

Here's the general rule: for a mid-iron (7-iron), the ball should be in the center of your stance or one ball-width forward of center. For short irons (9-iron, PW), it should be center or even slightly behind center. For long irons and hybrids, one ball-width forward of center.

A lot of golfers let the ball creep forward over time without realizing it. You set up for a 7-iron, but the ball is actually in your 5-iron position. That gap between where the ball is and where your club naturally bottoms out is filled with turf — and that's your chunk.

The test: Lay an alignment stick on the ground perpendicular to your target line, running between your feet. Where is the ball relative to that stick? If it's more than a ball-width ahead of center for a mid-iron, it's too far forward. Move it back and see how your contact changes.

Check our ball position chart for a complete visual reference by club type. One range session with alignment sticks can permanently fix ball-position-related chunking.

If I had to pick one cause of chunking that affects the most golfers, it's this: failure to shift weight to the front foot during the downswing. This is the single biggest low-point killer in amateur golf.

In a proper iron swing, about 70-80% of your weight should be on your front foot at impact. This forward pressure moves the low point of your swing forward — past the ball — which creates that ball-first contact every golfer is chasing. When your weight stays on your back foot, the low point stays behind the ball, and you chunk it.

The irony is that many golfers intentionally keep their weight back because they think they need to "get under the ball" to lift it into the air. They hang back, try to scoop the ball skyward, and bury their club in the ground behind the ball instead. The loft on the clubface does the lifting — your job is to compress the ball into the ground, not lift it off it. More on that in the next section.

How to feel it: At the top of your backswing, feel your weight shift into your front heel before your arms start down. It's a subtle bump — your left hip (for right-handers) shifts toward the target, and your weight follows. By the time the club reaches the ball, you should feel heavy on your front foot. At the finish, you should be able to lift your back foot entirely off the ground without losing balance.

The step drill: Hit iron shots where you literally step forward with your front foot during the downswing. At the top of the backswing, lift your front foot slightly, then step toward the target as you start down. This exaggerates the weight shift and moves the low point forward. After 20 reps, your body starts doing it naturally even without the step.

If you're still hanging back after trying the step drill, there may be a timing issue — your arms are moving faster than your body. The downswing should be initiated by the lower body (hips and legs), not the hands and arms. When the arms go first, the body doesn't have time to shift forward, and the weight stays back.

This mental shift alone can fix your chunking. Most amateurs try to help the ball into the air. They scoop, flip their wrists, and try to get the club under the ball. The instinct makes sense — the ball is on the ground, so you should get under it, right? Wrong.

Iron shots get airborne because of loft, not because you lifted the ball. A 7-iron has about 33 degrees of loft. If you strike the ball with a slightly descending blow, the loft does the work. The ball compresses against the face, climbs the loft, and launches on a proper trajectory. You don't need to help it — you need to hit down on it.

"Hit down to make the ball go up" sounds counterintuitive, but it's how every good iron player on tour operates. Watch slow-motion footage of any tour pro hitting an iron — the shaft is leaning toward the target at impact, the hands are ahead of the clubhead, and the club is still descending when it contacts the ball. The divot happens after the ball, not before it.

Here's the swing thought that helped me the most: imagine you're trying to press the ball into the ground with the clubface. Don't lift it, press it. The loft converts that downward energy into launch and backspin. Your job is compression, not elevation.

1. The Line Drill

This is the simplest and most effective drill for chunking. Draw a line on the ground with spray paint, a chalk line, or simply use the edge of a practice mat. Place the ball on the line (or just ahead of it). Make your swing. Where does your divot start? If it starts behind the line, you're chunking. If it starts at the line or in front of it, you're striking it clean.

The line gives you instant, visual feedback with zero guesswork. You can't lie to yourself — the evidence is right there in the dirt. I do this drill for 10 minutes at the start of every range session, and it keeps my low point honest.

2. The Towel Drill

Place a folded towel on the ground about 4-5 inches behind the ball. If you chunk the shot, you'll hit the towel first — and you'll feel it immediately. The towel acts as a physical barrier that punishes hitting behind the ball. After a few towel-hits, your brain starts adjusting automatically to avoid the obstacle.

Start with the towel farther back (6-8 inches behind the ball) and gradually move it closer. As your low point moves forward, you can bring the towel to within 2-3 inches of the ball. When you can swing full speed without touching the towel at 2 inches behind the ball, your contact is tour-quality.

3. The Tee-in-Ground Drill

Push a tee into the ground directly in front of where the ball sits (about 1 inch toward the target). Now hit the shot with the goal of clipping the tee after you hit the ball. If you chunk the shot, you'll never reach the tee — the club buries behind the ball. If you hit ball-first, the club continues forward and clips or removes the tee.

This drill is brilliant because it gives you a positive target to aim for rather than a negative outcome to avoid. Instead of thinking "don't hit behind the ball," you're thinking "clip that tee." Positive swing thoughts produce better results than negative ones every time.

If you've got access to a launch monitor, it can tell you exactly how clean your contact is — even on shots that feel okay but might be slightly fat.

Here's what to look for:

• Smash factor: This is ball speed divided by clubhead speed. A well-struck 7-iron should produce a smash factor around 1.33-1.35. Chunked shots will show 1.1 or lower because the club decelerates through the turf before reaching the ball. If your smash factor is consistently below 1.25 with irons, you're likely catching them fat.
• Launch angle: A chunked shot often launches higher than normal because the club enters with a steeper effective loft (the scooping motion adds loft). If your 7-iron is launching at 25+ degrees, you're probably flipping the club and adding loft rather than compressing the ball.
• Spin rate: Clean iron contact produces consistent backspin (around 6,000-7,000 rpm for a 7-iron). Fat shots produce wildly inconsistent spin — sometimes very low (the grass between club and ball kills friction) and sometimes very high (the open face at impact adds loft and spin). If your spin rate varies by more than 2,000 rpm shot to shot, your contact isn't consistent.
• Carry distance consistency: This is the ultimate test. If your 7-iron carries 150 yards on one shot and 120 on the next with similar swing speed, the issue is contact, not speed. A launch monitor makes this impossible to hide.

The Garmin Approach R10 tracks all of these metrics at a price point that makes sense for most golfers. I've used it to diagnose contact issues that I couldn't feel — shots that felt "okay" but were actually 10 yards short because I was catching them just slightly fat. The data doesn't lie.

Drills fix the symptom. A structured program fixes the cause. If you're chunking shots regularly, there's usually something fundamentally off in your swing sequence — your body is doing things in the wrong order, and no amount of band-aid fixes will solve it permanently.

The Stress-Free Golf Swing is specifically designed to build a swing that produces consistent ball-first contact. The program addresses the root causes of chunking — casting, early release, poor weight transfer, and tension — by building a swing around natural, relaxed movement patterns. The "stress-free" approach works because tension and overthinking are what cause the scooping and casting motions that move your low point behind the ball.

What I like about this program is that it doesn't ask you to think about 15 different positions during the swing. It gives you a few simple feels that naturally produce the right mechanics. When you stop overthinking, your body stops tensing up. When you stop tensing up, you stop casting. When you stop casting, you stop chunking. It's a chain reaction.

A lesson with a local pro is also money well spent. Tell them specifically that you're chunking irons and want to work on low-point control. A focused 30-minute lesson on one problem is far more effective than a general "let's look at your whole swing" approach. Most good instructors can identify your specific cause in the first five minutes and give you a feel that clicks immediately.

Whether you go with a self-study program, in-person lessons, or both — the key is addressing the root cause. If you keep treating the symptoms (moving ball position, changing grip pressure) without fixing the underlying sequence, the chunking will keep coming back under pressure.