Nutrition For Runners

Nutrition for runners is a fundamental component to reaching optimal running performance. Running performance improves significantly when nutrition is tailored to support energy, stamina, recovery and overall health. The body relies on consistent and efficient fuel to maintain pace, regulate effort and sustain performance across different training intensities.
Jake Biggs

Clinical Nutritionist & Sports Nutritionist

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The short version

  • Nutrition for runners needs to provide enough energy to support training, performance and recovery. The right approach also needs to match your running volume, intensity and individual nutritional requirements.
  • Carbohydrates provide an important source of fuel for running, particularly during longer or harder sessions. Choosing appropriate carbohydrate sources around training helps you maintain energy and support performance.
  • Protein supports muscle repair and recovery after running, while adequate hydration helps replace fluids lost through exercise. The timing and composition of your meals also matter, particularly when you are training regularly and need to recover well between sessions.
A pair of running shoes, a sandwich, an apple, and a water bottle arranged on a wooden table.
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The short answer

Nutrition for runners should provide enough energy and nutrients to support training, recovery and everyday health. Your nutrition needs change depending on how often you run, how long you run for, your training intensity, your goals and what the rest of your week looks like.

When I work with runners as a sports nutritionist, I do not start with a generic meal plan. I look at your running schedule, training demands, current eating pattern, appetite, food preferences and recovery. A nutrition strategy needs to work around your actual training rather than forcing every day to look the same.

Carbohydrates are particularly important because they provide a readily available source of energy for running. Protein supports muscle repair and recovery, while healthy dietary fats, vegetables, fruit, fibre, vitamins and minerals contribute to your overall nutritional intake.

“Running well is not just about the kilometres you complete, it is about giving your body the energy, nutrition and recovery support it needs to perform consistently. The right nutrition can help you fuel your runs, support recovery and maintain your performance as your training progresses”.

Jake Biggs, Nutrition Longevity
A female athlete sprinting on a blue running track, showcasing determination and athleticism.
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What runners need from their diet

The foundation is consistent fuelling. Eating too little around training can leave you feeling flat during runs and make recovery more difficult.

I also look at when you eat, not simply what you eat. A runner completing a long training session needs a different approach to someone doing a short, easy run.

  • Enough carbohydrate to support training.
  • Adequate protein throughout the day.
  • Regular meals and snacks around training.
  • Sufficient fluid and electrolytes when required.
A woman takes a sip from a water bottle, promoting hydration and wellness.
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Where the idea of runner nutrition came from

Running nutrition has traditionally focused heavily on carbohydrates, particularly around longer training sessions and events. This is because carbohydrate is an important fuel source for running, especially when training demands increase.

The mistake is assuming that every runner needs to eat the same way. A person running twice a week for general fitness does not have the same nutritional requirements as someone preparing for a long distance event.

Your nutrition should therefore reflect your training rather than simply following a standard runner meal plan.

Why carbohydrate matters

Carbohydrates provide glucose that your body uses for energy. Foods such as rice, pasta, oats, bread, potatoes, fruit and other carbohydrate rich foods can all have a place in a runner’s diet.

I do not recommend removing carbohydrates simply because you are trying to manage your weight. For runners, reducing carbohydrate too aggressively can make it harder to support training and recovery.

The amount you need depends on your training load. More demanding training requires more deliberate fuelling, while lighter days generally require less.

A bowl of oatmeal topped with sliced banana, almonds, and a dollop of peanut butter.
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Running nutrition: Trends vs the truth
TopicWhat the trend saysRunning nutrition reality
Carbohydrates Cutting carbohydrates helps runners stay lean and perform better. Carbohydrates are a key source of running fuel and should reflect your training demands.
Fasted running Running on an empty stomach is the best way to improve performance and burn fat. Fasted running is not essential for running performance, and appropriate fuelling can support harder and longer sessions.
Protein Runners only need protein if they also lift weights. Protein supports muscle repair and recovery as part of regular running and training.
Hydration Every runner should follow the same hydration target. Fluid requirements vary according to the individual, training conditions, duration and intensity.
Recovery A protein shake is all you need after running. Recovery nutrition involves adequate energy, protein, carbohydrates and fluids rather than relying on one product.
A blackboard displaying various healthy carbohydrate options, including grains, fruits, and vegetables.
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What nutrition for runners actually does

A well structured diet gives you the energy and nutrients required to support your training while also maintaining your general health. The goal is not simply to eat more because you run, but to match your intake to what your body is asking you to do.

Protein is another important part of the picture. Including protein regularly across the day supports muscle maintenance and recovery, particularly when you are training consistently.

Healthy dietary fats also have an important role. Foods such as avocado, nuts, seeds, salmon and olive oil provide dietary fats and contribute to a varied diet.

Before a run

What you eat before running should depend on how long you have before training and what type of session you are completing.

For a shorter or easier run, you may not need a large meal immediately beforehand. For a longer or more demanding session, having carbohydrate available before training becomes more important.

A practical pre run meal could include oats with banana and Greek yoghurt, or toast with eggs and fruit. The closer you are to running, the simpler and easier to digest the food should generally be.

During longer runs

During longer training sessions, nutrition becomes part of the session itself. Water alone is not always enough when you are running for an extended period and losing significant fluid and electrolytes through sweat.

Carbohydrate during longer runs helps provide fuel as your available stores decline. The exact strategy should reflect the duration and intensity of the session, your tolerance and the conditions in which you are running.

A table displaying various protein-rich foods with the word "protein" prominently featured.
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The one genuine benefit worth keeping

The biggest benefit of getting your running nutrition right is being able to train consistently. Good nutrition supports the work you are already putting into your running rather than becoming another complicated part of your routine.

When your meals provide enough energy, protein and carbohydrate, you give yourself a stronger nutritional foundation for training and recovery. This also makes it easier to manage hunger throughout the day rather than constantly trying to compensate for under fuelling.

Nutrition should make running more practical, not more stressful. You do not need to eat perfectly, but you do need to understand what your body requires from the demands you place on it.

“Good running nutrition is not about eating perfectly, it is about giving your body enough of the right nutrients to train, recover and keep moving forward”.

Jake Biggs, Nutrition Longevity

What to eat across the day

I generally want to see regular meals built around a combination of protein, carbohydrate, vegetables or fruit and an appropriate source of dietary fat.

Breakfast could include eggs with wholegrain toast and fruit. Lunch could be chicken with rice and vegetables, while dinner could include salmon, potatoes and vegetables. Snacks can then be added around your training requirements.

  • Oats and fruit.
  • Rice, pasta or potatoes.
  • Eggs, chicken, fish or Greek yoghurt.
  • Vegetables, fruit, nuts and seeds.

The exact foods are less important than creating a pattern that consistently meets your nutritional requirements.

A variety of healthy fat foods including avocados, nuts, and olive oil displayed on a wooden table.
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Better habits for the same effort

Instead of trying to follow a complicated runner diet, I would start by making your everyday meals more consistent. Eat regularly, include a clear source of protein, make carbohydrate a deliberate part of your diet and plan your food around your training.

Your nutrition should also change with your training. A rest day does not require the same fuelling strategy as a long run, and a hard training week requires more attention than a week where your running volume is low.

If you are working with a sports nutritionist in Sydney, your nutrition strategy can be adjusted around your running distance, training schedule, performance goals, recovery and individual food preferences.

Fuel the work you are doing

Match your carbohydrate intake and meal timing to your training rather than eating exactly the same way every day.

For example, before a longer morning run, you could have oats with banana and Greek yoghurt, followed by a meal containing protein and carbohydrate after training. This provides a practical structure without making your nutrition unnecessarily complicated.

Hydration also deserves attention. Drink regularly throughout the day and increase your fluid intake around training according to your individual needs and the conditions.

A person holding a cutout model of a human stomach, demonstrating its shape and structure for educational purposes.
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What to avoid

I would avoid treating carbohydrates as the enemy or assuming that eating less will automatically improve your running. Under fuelling your training creates a nutritional problem rather than solving one.

I would also avoid relying heavily on supplements while ignoring your everyday meals. A strong nutritional foundation should come first, with specific sports nutrition products considered according to the demands of your training.

  • Avoid unnecessary carbohydrate restriction.
  • Avoid skipping meals around hard training.
  • Avoid ignoring hydration.
  • Avoid relying on supplements instead of food.

If you consistently feel exhausted during runs, struggle with recovery or become excessively hungry after training, I would look at your overall nutrition rather than simply adding another supplement.

The word "vitamins" is written on a blackboard, surrounded by colourful vitamin bottles and capsules.
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Final thoughts

Nutrition for runners should be built around what your body actually needs, not the latest trend promising better performance through restriction or a single food. Carbohydrates provide important fuel for running, protein supports recovery, and appropriate hydration and meal timing help you train consistently.

The goal is to create a nutrition approach that matches your running, your lifestyle and your individual goals. When your nutrition supports both the work you are doing and the recovery that follows, you are in a much stronger position to train consistently and enjoy your running long term.

Quick quiz
Nutrition for runners: myth or fact?

Tap what you think is true. Each one reveals what actually matters when fuelling your running and supporting recovery.

1. Runners should avoid carbohydrates to improve their body composition.

2. Protein is important for runners after training.

3. Hydration requirements are the same for every runner.

4. What supports consistent running performance?

Spot the pattern. Good running nutrition is not about following unnecessary restrictions. It is about providing enough energy, carbohydrates, protein and fluids to support your training, performance and recovery.


Close-up of the word "fibre" printed on a sack, emphasising its importance in nutrition and health.
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Frequently asked questions

What should runners eat before a run?

A suitable pre run meal depends on the timing and demands of your session. Carbohydrate rich foods such as oats, toast, rice or fruit provide useful fuel, while a small amount of protein can also be included. Keep the meal simple and choose foods you know you tolerate well.

How much protein does a runner need?

Protein requirements depend on your body size, training volume, goals and overall diet. Rather than concentrating all your protein into one meal, I generally recommend distributing protein across the day. Foods such as eggs, chicken, fish, Greek yoghurt, legumes and other protein rich foods can contribute to your intake.

Do runners need carbohydrates?

Yes. Carbohydrates are an important fuel source for running and become increasingly relevant as training duration and intensity increase. Foods such as oats, rice, pasta, potatoes, bread and fruit can all contribute. The amount you need should reflect your training demands rather than following an unnecessarily restrictive approach.

What should I eat after running?

A post run meal should help replace energy and provide protein to support recovery. A practical option could include chicken with rice and vegetables, eggs with toast and fruit, or Greek yoghurt with oats and berries. The right choice depends on your training, appetite, schedule and nutritional requirements.

Keep reading

This article is general information, not personal medical or nutritional advice. Individual needs vary. For guidance tailored to you, book a consultation.

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Jake Biggs

BHSc Nutrition & Dietetic Medicine (Honours) · Accredited Clinical Nutritionist & Weight Loss Nutritionist · Sports Nutritionist · Bondi Junction, Sydney and Globally

Jake is Sydney’s leading clinical and sports nutritionist. After surviving severe anorexia nervosa and a Grade 3 brain tumour, he dedicated his life to mastering the evidence-based science of nutrition. Every article he writes is grounded in clinical practice and peer-reviewed research, not trends.

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