Why Dogs Pull on the Leash

Why dogs pull on the leash has a simple answer: it is natural, and it works. Dogs walk faster than we do, and the world is full of things they want to reach. When the leash goes tight and the walk speeds up, the pull gets paid.

If your arm got yanked on the last walk, you didn’t do anything wrong. Pulling isn’t dominance and it isn’t defiance. It is a habit, and habits can change.

Why do dogs pull on walks? Four common reasons

Reason	What it looks like
Faster pace	Your dog naturally walks faster than you do
Excitement or exploring	The dog is heading for a smell, a person or a squirrel
Habit learned young	Pulling got the dog moving, so it stuck
Hard self-control	Young dogs find it difficult to hold back

None of these are about being the boss. They are about wanting to get somewhere, and finding out that tension gets them there.

The loop that keeps leash pulling going

Pulling keeps going because of a four-step loop:

1. Your dog spots a smell and the leash goes tight.
2. You step forward. Even one step counts.
3. Your dog gets there, so the pull just paid off.
4. Next time, your dog pulls again, often harder.

Dogs Trust Ireland puts it plainly: taking one step forward when your dog pulls reinforces the pulling. The fix isn’t force. It is making a loose leash the thing that moves you forward.

Is my dog trying to be the boss?

No. PDSA describes pulling as natural behavior and advises against punishment. Scolding or yanking adds stress and doesn’t teach your dog what to do instead. Your dog isn’t being defiant. Your dog has learned, many times over, that pulling works.

Your body language matters too. AKC trainer Stephanie Gibeault notes that a tense or distracted handler can raise a dog’s excitement or anxiety. Loosen your grip, breathe out and slow down.

Why is my dog pulling harder as a teenager?

Pulling, jumping and poor impulse control are common from about 6 months and can last until around 24 months. If your adolescent dog seems to have forgotten everything, that is normal. We cover that phase in Teenage Dog Pulling: The Adolescent Phase.

Will a different harness fix it?

Gear can add comfort, but it doesn’t teach the habit. In a study of 52 shelter dogs, dogs pulled harder in a back-connection harness than in a collar when food was the lure, and there was no difference when a toy was the lure. That is one small study, so don’t read too much into it. The takeaway is simple: choose a well-fitted harness or flat collar, ask a trainer or the shop to check the fit, and put your effort into training.

What to do on your next walk

Try these three small things before you change anything else:

• Notice the moment the leash goes tight, and what your dog was going toward.
• Count how many times you step forward on a tight leash. That number is your starting point.
• Tell everyone who walks your dog: from now on, a tight leash means we stop.

Before you start a training plan, rule out pain with the 2-minute check. The full plan, with gear fit, seven short games and a 4-week schedule, is in the Stop Leash Pulling guide. Expect weeks, not days, and longer if the habit is years old.