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September 14, 2026
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Nutrition

What to Eat Before a Morning Run

Sep 10, 2026

Mornings in the Highlands Start Early

There is something special about lacing up before the rest of the world is awake. In the Highlands, a morning run might mean watching mist lift off Loch Ness, catching the first light on Ben Wyvis, or having a forest track near Aviemore entirely to yourself. It might also mean a cold, dark start in January with a head torch and a stiff wind coming off the Moray Firth. Either way, one question comes up more than any other at our Tuesday club nights: what on earth should I eat before I head out?

The honest answer is that it depends on you, your run, and how your stomach behaves at 6am. But there are some reliable principles that work for most runners, from complete beginners shuffling a loop of the local park to folk training for a long day on the West Highland Way.

Keep It Small and Familiar

For most morning runs under an hour, you do not need much. Your body has glycogen stored from the day before, and a large breakfast will simply sit heavily in your stomach while you climb a hill. A light snack of around 100 to 200 calories is plenty for the majority of easy morning outings.

The classic combination — a banana and a slice of toast — works well for a reason. The banana gives you quick carbohydrate and a little potassium, the toast adds something slow-releasing, and neither tends to cause trouble. Add a thin scraping of honey or jam if you like, but keep the butter and cheese for afterwards.

If you are heading out within twenty minutes of waking, you may not want solid food at all. In that case, a small glass of fruit juice, a smoothie, or half a banana is easier to manage. Some runners do fine on nothing but water for a short, easy run — and that is perfectly acceptable.

Match Your Snack to the Session

The longer or harder the run, the more thought it deserves. Here is a rough guide that works well on Highland routes:

  • Under 45 minutes, easy pace: nothing, or a small banana. Water is usually enough.
  • 45 to 90 minutes: banana plus toast, or a small bowl of porridge made with water about an hour before.
  • 90 minutes to 2 hours on trail: porridge with a spoon of honey, or a bagel with jam, plus a handful of sultanas. Carry something with you.
  • Long hill days or races: a proper breakfast three hours before — porridge, toast, a little yoghurt — then a top-up snack thirty minutes before the start.

If your route takes you up a Munro or along a exposed ridge, remember that cold and wind burn extra energy. On a winter run from Glencoe or a spring traverse in the Cairngorms, you will want a bit more fuel than the same distance on a sheltered forest trail.

Timing Matters as Much as the Food

When you eat is often more important than what you eat. As a general rule:

  • Two to three hours before: a normal, balanced breakfast is fine.
  • Sixty to ninety minutes before: a light snack of 100 to 200 calories.
  • Twenty to thirty minutes before: something tiny and liquid, or a few bites of banana.
  • Immediately before: water only, unless you know from experience that you can tolerate more.

Set your alarm fifteen minutes earlier if you need to. Rushing out the door with a half-eaten bowl of porridge is a recipe for a stitch on the first hill.

What to Avoid, and Why

Some foods are wonderful after a run and miserable before one. Watch out for:

  • High-fibre cereals and bran: they speed things along in a way you will not appreciate three miles from the nearest toilet.
  • Fried or very fatty food: slow to digest and likely to sit heavily.
  • Large amounts of dairy: fine for some, a problem for many.
  • Anything brand new: race day is not the time to try a new energy bar.
  • A huge mug of strong coffee on an empty stomach: it can leave you jittery and needing a loo. A small cup is usually fine.

None of these are absolute rules. Plenty of runners eat a full cooked breakfast and head out happily an hour later. The point is to know your own body rather than follow someone else's routine.

Practise on Training Runs, Not on Race Day

This is the single most useful piece of advice we can give. Use your ordinary training runs — the Tuesday loop, the Saturday trail outing, the slow plod along the canal path — to test what works. Try a banana and toast one week, porridge the next, nothing at all the week after, and note how you feel at mile two, mile five, and afterwards.

Keep a short note in your phone or training diary: what you ate, how long before, and how the run went. After a few weeks you will have a personal menu you can trust.

Then, when a big event comes around — a local half marathon, a hill race, a long day on the Lairig Ghru — you will already know exactly what to eat. No guessing, no nervous stomach, just a familiar routine that lets you enjoy the run.

And if you are new to all this, come along to a club run and ask. Between us we have tried just about everything, and someone will always have a story about the run that went wrong after a bowl of muesli. Learn from our mistakes, keep it simple, and enjoy your Highland mornings.