To stop chunking irons, move your low point in front of the ball: set the ball just ahead of center for mid-irons, put about 55–60% of your weight on your lead side at address, and keep shifting toward the target through impact. Most fat shots come from the club bottoming out behind the ball because weight hangs back or the hands flip early. Fix the low point with a few simple drills, and solid ball-then-turf contact follows.
Table of Contents
- Why You Chunk Your Irons
- Step 1: A 60-Second Setup Check
- Step 2: Drills to Stop Chunking Irons
- Step 3: Stop Chunking From Tough Lies
- A 4-Week Plan to Stop Hitting Irons Fat
- How to Fix Chunked Irons Indoors, Year-Round
- Common Mistakes That Keep You Chunking
- Frequently Asked Questions
Why You Chunk Your Irons
A chunk (also called a fat shot) happens when the club hits the ground before it reaches the ball. The divot starts behind the ball, the club loses speed in the turf, and the shot comes up well short.
With an iron, the bottom of the swing arc should sit slightly in front of the ball. That is why good iron players take a divot that starts at or just past where the ball was. When you chunk it, the low point has drifted backward. The usual reasons:
- Weight stays on the trail foot. If your pressure never moves to the lead side, the arc bottoms out behind the ball.
- Early release or "flipping." Trying to scoop the ball into the air makes the clubhead pass the hands too soon and hit the ground early.
- Ball too far forward. Playing a 7-iron off your lead heel like a driver puts the ball past the natural low point.
- Dipping or swaying. Lowering your head and chest in the downswing, or sliding away from the target in the backswing, moves the low point down and back.
- Tension and over-swinging. Trying to hit it hard often causes a lunge from the top and an early cast of the club.
Chunks and thin shots are often the same problem. Many golfers chunk one, then lift up to avoid the ground and blade the next. Fixing the low point fixes both.
Step 1: A 60-Second Setup Check
Before you change your swing, rule out setup. Go through this checklist with a mid-iron like a 7-iron:
- Ball position: just ahead of center, about one ball forward of the middle of your stance. Short irons can sit in the middle.
- Weight: roughly 55–60% on your lead foot. You should feel slightly more pressure under the lead side.
- Hands: slightly ahead of the ball so the shaft leans a little toward the target.
- Posture: bend from the hips with a little knee flex, arms hanging naturally. Standing too close or too upright encourages dipping.
- Grip pressure: firm but relaxed, around 4 out of 10. A death grip leads to casting.
Hit 10 balls with only these setup changes. Many golfers see contact improve right away. If chunks continue, move on to the drills.
Step 2: Drills to Stop Chunking Irons
Each drill targets the low point. Use a mid-iron, hit at 70–80% speed, and focus on where the club meets the ground rather than on distance.
The Towel Drill
Lay a towel flat on the ground about 4–6 inches behind the ball. Hit shots without touching the towel. If you brush it, your low point is too far back.
Reps: 3 sets of 10. Target: 8 of 10 shots miss the towel. Start with half swings, then three-quarter swings once you hit the target.
The Line Drill
Draw or spray a straight line on the turf (or lay down a thin alignment stick on a mat). Place the ball on the line, then make swings where the divot or brush mark starts on or just ahead of the line, never behind it.
Reps: 20 practice swings with no ball, then 20 balls. Target: 15 of 20 marks start at or in front of the line.
The Lead-Foot Pressure Drill
Set up normally, then pull your trail foot back so only its toe touches the ground. With most of your weight on the lead foot, hit easy half-swing shots. It is very hard to hang back in this position, so you feel what a forward low point is like.
Reps: 2 sets of 10, then 10 normal swings trying to copy the same feeling. Target: clean contact on 7 of 10.
The Hold-the-Finish Drill
Hit a shot and hold your finish for a full three seconds. You should be balanced on your lead foot with your trail heel up and belt buckle facing the target. If you cannot hold it, your weight did not get forward.
Reps: every ball in a 20-ball set. Target: balanced finish on 18 of 20.
| Drill | What It Fixes | Reps | Success Target |
|---|---|---|---|
| Towel drill | Low point behind the ball | 3 × 10 | 8/10 miss the towel |
| Line drill | Inconsistent strike location | 20 swings + 20 balls | 15/20 start at or past the line |
| Lead-foot pressure | Hanging back on trail side | 2 × 10 + 10 normal | 7/10 clean |
| Hold the finish | Incomplete weight shift | 20 balls | 18/20 balanced |
Step 3: Stop Chunking From Tough Lies
Many fat shots on the course come from lies that are not flat. A lie that changes your balance also moves your low point, so adjust your setup:
- Uphill lie (lead foot higher than trail foot): set your shoulders roughly parallel to the slope, play the ball slightly forward, and take one more club. Fight the urge to lean into the hill too much, which digs the club in.
- Downhill lie: tilt your shoulders with the slope, move the ball back in your stance, and swing down the hill. This is where golfers chunk most, because the ground behind the ball is higher.
- Ball above your feet: choke down on the grip and stand a little taller. The ball tends to go left for right-handed players.
- Ball below your feet: add more knee flex and stay in your posture through impact. Standing up causes thin shots; dipping causes chunks.
- Soft or wet turf: favor a slightly shallower swing and make sure your weight is forward. Wet ground punishes a low point behind the ball more than firm ground does.
Practice each slope with 10 balls once a week if you can.
A 4-Week Plan to Stop Hitting Irons Fat
Short, focused sessions work better than hitting a large bucket. This plan assumes two or three sessions of 30–45 minutes per week. For how to fit this into a complete routine, see our guide to the best ways to practice golf.
| Week | Focus | Session Plan (30–45 min) | Goal to Move On |
|---|---|---|---|
| 1 | Setup and feel | Setup checklist (10 balls), lead-foot pressure drill (20), hold-the-finish (20) | Balanced finish on most swings |
| 2 | Low point control | Line drill (20 swings + 20 balls), towel drill (3 × 10) | 8/10 miss the towel at half swing |
| 3 | Full swing transfer | Towel drill at three-quarter swing (20), normal 7-iron shots (15) | 7/10 solid with a full swing |
| 4 | Course situations | Slope practice (10 each lie), mixed clubs and targets (20), pre-shot routine on every ball | Solid contact holds with different clubs and lies |
Keep a simple note after every session: how many of your last 10 shots were struck solidly. When that number climbs and stays up, the fix is sticking. If you are also fighting a curve, pair this with our step-by-step guide on how to fix a slice, since an over-the-top move can also steepen the swing and cause fat shots.
How to Fix Chunked Irons Indoors, Year-Round
Contact problems are easiest to fix when you get honest feedback on every swing. Indoor practice at Edge Golf in Edgewater, NJ, a short drive from the George Washington Bridge and next to Fort Lee, is set up for exactly this kind of work.

- Shot data on every swing. Our 6 Golfzon simulator bays and 4 private rooms show carry, direction and shot shape for each shot. A chunked iron shows up immediately as a big drop in carry, so you can track how many of 10 shots reach your normal number.
- Moving floor for uneven lies. The Golfzon floor tilts to create uphill, downhill and sidehill lies. That makes the Step 3 slope practice possible in winter, without hunting for a hill on the course.
- Auto tee and near-zero latency. Balls tee up automatically and ball flight appears almost instantly, so you can run drill sets quickly and stay focused.
- Lessons with PGA-certified instructors. If chunks persist, a coach can spot whether the cause is weight shift, early release or posture. Book private or group lessons to get a plan tailored to your swing.
A simple indoor session: 10 minutes of the lead-foot drill, 15 minutes of normal 7-irons tracking carry, 10 minutes on the moving floor with uphill and downhill lies, then play a few holes on one of 300+ courses to test it under pressure. We are open daily from 8 AM, until 10 PM Sunday–Thursday and 11 PM Friday–Saturday. Walk-ins are welcome, and you can reserve a bay online to skip the wait.

Common Mistakes That Keep You Chunking
- Trying to lift the ball. Irons are built with loft to get the ball airborne. Hitting down and through, with the hands ahead, is what makes the ball rise.
- Only practicing from perfect lies. If every range ball is on flat turf, sloped lies on the course will still produce fat shots.
- Not tracking results. Without a simple count of solid strikes, it is hard to know whether a change is working. Tracking shots is also a key habit if you want to lower your golf handicap.
Frequently Asked Questions
Why do I keep chunking my irons?
Most chunked irons happen because the low point of your swing is behind the ball. The common causes are leaving your weight on the trail foot, releasing the club early to scoop the ball, or playing the ball too far forward. Check your setup first, then use drills like the towel drill to move your low point forward.
Where should the ball be in my stance to avoid fat shots?
For mid-irons, play the ball just ahead of center, about one ball forward of the middle of your stance. Short irons and wedges can sit in the middle. Avoid playing irons off your lead heel, which places the ball past the natural low point of your swing.
What is the best drill to stop chunking irons?
The towel drill is one of the simplest. Lay a towel 4–6 inches behind the ball and hit shots without touching it; if you brush the towel, your low point is too far back. Aim for 8 out of 10 clean shots at half swing before moving to a fuller swing.
Why do I chunk one shot and then hit the next one thin?
Fat and thin shots usually share the same cause: an inconsistent low point. After a chunk, many golfers lift up to avoid the ground and catch the ball thin. Getting your weight forward and keeping your posture through impact fixes both misses.
How long does it take to stop hitting irons fat?
It depends on the cause and how often you practice. Setup fixes can help within one session, while changing a weight shift or early release usually takes a few weeks of focused practice. A structured plan, such as two or three short sessions per week for four weeks, gives the change time to stick.
Can I practice iron contact indoors near Fort Lee or Manhattan?
Yes. Edge Golf at 18 Edgewater Towne Center in Edgewater, NJ, next to Fort Lee and minutes from Manhattan, has Golfzon simulator bays that show carry, direction and shot shape on every swing. The moving floor also lets you practice uphill and downhill lies, and PGA-certified instructors offer lessons if you want help diagnosing the cause.
Chunked irons are frustrating, but they usually come down to one thing: where your swing bottoms out. Get your setup right, train your low point with the drills above, and test it on uneven lies. Track your solid strikes, and within a few weeks you should see more ball-first contact and more greens hit.
