There is a very annoying truth in golf.
You can have a decent swing. You can have new wedges. You can even have one of those water bottles that makes you look like you know what electrolytes are.
But if you turn up to play 18 holes fuelled by a coffee, half a sausage roll and blind optimism, the back nine will usually find you.
And it will not be kind.
Poor nutrition during a round does not always feel dramatic. It is not always a sudden collapse. More often, it is a slow leak. A little less focus. A slightly lazy decision. A rushed swing. A missed two-footer where you stand there pretending the spike mark had something to do with it.
It probably did not.
Golf Is Not Just Walking Around
A round of golf can last four or five hours. You are walking, swinging, thinking, waiting, judging wind, managing frustration, talking to someone who has just found their ball after clearly looking in the wrong postcode.
That takes energy.
The problem is that many golfers treat nutrition like it only matters if they are running a marathon. But golf asks for repeated bursts of movement, decision-making, coordination and emotional control. When your fuel drops, those things become harder.
Your body gets tired.
Then your brain gets lazy.
Then your golf gets weird.
What Poor Nutrition Does To Your Round
The first thing to go is usually concentration.
You start making decisions you would not normally make. You go at pins you should ignore. You rush through your routine. You forget the shot you were trying to hit halfway through the backswing.
Then your tempo starts to suffer.
When energy drops, golfers often get quick, loose or heavy. The legs stop helping. The hands take over. Contact changes. Distance control disappears. Suddenly your reliable 8-iron is either coming up short or flying like it has remembered something from 2016.
Then comes the emotional side.
Poor nutrition can make you more irritable, more reactive and less patient. That matters, because golf is basically a four-hour argument with yourself, interrupted occasionally by polite conversation.
If your blood sugar is crashing, that argument gets louder.
The Back Nine Tax
Most golfers do not lose their round on the first tee.
They lose it somewhere between the 11th and 15th, when the body starts asking sensible questions like:
“Are we actually doing anything about food today?”
By then, it is often too late. You are reaching for a chocolate bar or sports drink in full emergency mode, trying to rescue a round that has already started wobbling.
That is not nutrition. That is damage control.
A better approach is to fuel before you need rescuing.
Keep It Simple
You do not need a spreadsheet, a macro plan or a fridge full of things that taste like wet cardboard.
You just need to avoid the classic golfer mistake: waiting until you feel hungry, flat or irritated before doing something about it.
Before the round, eat something with a bit of substance. Not heavy. Not greasy. Just proper food.
During the round, think small and steady. A banana. A sandwich. A handful of nuts. A muesli bar. Something you can actually eat without making it a lifestyle statement.
And yes, drink water.
Not just at the turn. Not just when you remember. Not just after three holes of wondering why your head feels like a tumble dryer.
Drink steadily.
The G50 View
At G50, we talk a lot about performance being built on simple things done consistently.
Nutrition fits that perfectly.
You do not need to become a full-time athlete to play better golf. But you do need to stop making the game harder than it already is.
A better swing helps.
Better short game helps.
Better putting helps.
But if your body is running on fumes, all of those skills become harder to access when it matters.
So, the next time your back nine falls apart, do not just blame the swing.
Ask the uncomfortable question:
Did I actually give myself enough fuel to play properly?
Because sometimes the fix is not a new move.
Sometimes it is a banana before the 7th.
To better movement, better golf, and fewer excuses.
Jon Kennedy
The Reluctant Athlete
