Block vs Random Practice: Which Works Better for Golf?

You've probably done this: you're at the range, you hit a nice 7-iron, so you hit another. And another. By the fifth one, you're striping them. You feel like you've cracked the code. Then you get on the course, pull out the 7-iron, and it's like you've never held the club before.

What happened? You practiced in block mode — repeating the same shot over and over — which built temporary performance but not lasting skill. The range made you feel good, and the course exposed the illusion.

Welcome to one of the most counterintuitive findings in motor learning science.

In the 1970s and 80s, researchers discovered something surprising. When people practiced a motor skill by repeating it in a block (same movement, same conditions, over and over), they performed well during practice but poorly on tests conducted later. When they practiced the same skill in a random, varied order (interleaved with other movements), they performed worse during practice but better on later tests.

This is called the "contextual interference" effect, and it's been replicated hundreds of times across different skills. The science is clear: the practice that feels worse produces better long-term learning.

On the range, when you hit the same club to the same target repeatedly, each shot benefits from the previous one. Your brain maintains the motor program in working memory and simply re-executes it. You're essentially copy-pasting.

On the course, you never hit the same shot twice in a row. You hit a driver, then wait 5 minutes, then hit a 6-iron from a different lie to a different target with a different club. Your brain has to reconstruct the motor program from scratch every time. If you only practiced in block mode, that reconstruction skill is underdeveloped.

Random practice forces your brain to solve a new problem with each shot. Switch from a 7-iron to a wedge to a hybrid, changing targets each time. This constant switching is mentally taxing — you'll hit worse shots during practice — but it builds the retrieval and reconstruction skills that actually matter during a round.

Think of it like studying for an exam. Reading the same chapter five times (block) feels productive, but alternating between different chapters (random) forces you to actually retrieve and apply information — which is what the exam requires.

Full Swing Practice

Instead of hitting 10 consecutive shots with one club, try this pattern:

Short Game Practice

Short game is where random practice shines because the variety of shots around the green is enormous.

Drop 10 balls in different positions around a practice green — different distances, different lies, different landing zones. Play each ball as a separate challenge. One might be a bump-and-run, the next a flop, the next a long lag putt. This is exactly what the course demands.

Putting Practice

Instead of hitting 10 putts from the same spot, move after every putt. Different distances, different breaks, different speeds. If you make three in a row, move to a harder position. This builds the adaptability that makes you a better putter on unfamiliar greens.

Block practice isn't useless — it has a specific role. When you're learning a brand new skill or making a significant swing change, block repetition helps you find the movement. You need the repetition to build a basic motor program before you can vary it.

The progression looks like this:

Phase 1 — Acquisition (Block): You're learning a new move. Hit the same shot 15-20 times to build the basic pattern. This is where block practice is appropriate.

Phase 2 — Retention (Random): Once you can execute the new move at least 60% of the time, switch to random practice. Interleave it with other shots and clubs to build the retrieval skills that make it stick.

Phase 3 — Transfer (Simulated play): Practice the new skill in course-like conditions — varying lies, targets, situations, and sequences. This is where the skill becomes usable under pressure.

The biggest barrier to random practice is that it feels bad. You'll hit worse shots. Your confidence might take a hit during the session. And the instinct to "groove" something by repeating it is powerful.

You have to trust the science here. The feeling of "grooving" a shot during block practice is an illusion — it's temporary performance, not lasting learning. The messiness of random practice is the learning process working. Embrace the discomfort.

• Balls 1-3: Driver to a target, then 7-iron to a flag, then wedge to a specific landing spot
• Balls 4-6: 5-iron to a left target, 9-iron to a right target, hybrid to center
• Balls 7-9: Hit a draw, then a fade, then a straight shot (same club)
• Balls 10-12: Repeat the pattern with different clubs

After 30 balls, you've hit 10 different clubs to 10 different targets in varied sequences. Your brain had to reconstruct the motor program every single time. This is closer to what happens during a round than 30 consecutive 7-irons will ever be.

Block practice feels great and produces lousy long-term results. Random practice feels messy and produces superior retention and transfer to the course. Use block practice only when learning something new, then switch to random practice to make it stick. Alternate clubs, change targets, vary your shots, and simulate on-course conditions during practice. It'll feel harder in the moment, but your scores will thank you.

1. Shea, J. & Morgan, R. "Contextual Interference Effects on the Acquisition, Retention, and Transfer of a Motor Skill." Journal of Experimental Psychology: Human Learning and Memory, 1979.
2. Guadagnoli, M. & Lee, T. "Challenge Point: A Framework for Conceptualizing the Effects of Various Practice Conditions in Motor Learning." Journal of Motor Behavior, 2004.

• The contextual interference effect is one of the most replicated findings in motor learning. The 25-50% retention improvement figure represents a typical range across multiple studies; exact figures vary by task complexity and learner skill level.