1. Start With Enough Overall Fuel
Before worrying about supplements, gels or sports drinks, look at the foundation: Are you eating enough?
Running increases your energy requirements, particularly as your weekly mileage increases. Consistently eating too little can leave you feeling tired, affect recovery and make it harder to maintain training quality.
Your meals should regularly include:
- Carbohydrates for training fuel
- Protein for muscle repair and recovery
- Healthy fats for energy and overall nutrition
- Vegetables and fruits for micronutrients
- Adequate fluids and electrolytes
A common mistake among recreational runners is trying to "eat clean" while unintentionally cutting down carbohydrates or overall calories. Marathon training is not the time to fear food.
Fuel the work you are asking your body to do.
2. Carbohydrates Are Your Running Fuel
For marathon training, carbohydrates deserve special attention.
During moderate- to high-intensity running, your muscles rely significantly on glycogen, the stored form of carbohydrate. As running duration increases, your glycogen stores become increasingly important.
Good-quality carbohydrate sources can include:
- Rice
- Roti
- Poha
- Oats
- Dalia
- Potatoes and sweet potatoes
- Bananas and other fruits
- Idli
- Dosa
- Whole grains and millets
You don't need to eliminate traditional Indian foods to become a better runner. In fact, familiar foods can make fuelling much easier.
Before a run
Choose carbohydrate-rich foods that are easy to digest and familiar to you.
For example:
2–3 hours before:
Poha with curd, vegetable upma, oats with banana, idli with a light accompaniment, or rice with a simple dal.
30–60 minutes before:
A banana, toast with a little jam, a small portion of poha, or another familiar carbohydrate source.
The closer you are to your run, the more important it becomes to keep the meal lighter and lower in fat and fibre if those foods tend to cause gastrointestinal discomfort.
3. Don't Forget Protein
Carbohydrates fuel your run, but protein supports the recovery that happens after it.
Running creates mechanical stress on muscles. Adequate protein helps support muscle repair and adaptation, particularly when combined with resistance training.
Include a protein source across your meals rather than trying to consume most of your protein at dinner.
Vegetarian runners can use:
- Dal
- Rajma and chole
- Soy and tofu
- Paneer or curd
- Milk
- Besan
- Moong
- Peanuts and nuts
- Whole-food protein products
A simple post-run meal could be rice + dal + vegetables + curd, or roti + paneer/tofu + vegetables.
The goal isn't simply to maximise protein. It is to consistently meet your requirements while also getting sufficient carbohydrate to support training.
4. Hydration Starts Before the Run
You don't want to begin a long run already dehydrated.
Make hydration a daily habit, rather than drinking a large amount of water immediately before running.
Pay attention to:
- Your fluid intake throughout the day
- Urine colour and frequency
- Weather conditions
- Sweat rate
- Run duration
- Individual differences in sweating
For longer runs, particularly in hot and humid conditions, electrolytes may also become relevant, because sweat contains sodium and other electrolytes.
But more is not always better. Excessive water intake without appropriate electrolyte management can also be problematic.
Your hydration strategy should be individualised to your sweat losses and running conditions.
5. Long Runs Need a Fuel Strategy
If you're running for a long duration, breakfast alone may not be enough.
This is where during-run fuelling becomes important.
For longer training sessions, runners may use carbohydrates through options such as:
- Sports gels
- Sports drinks
- Bananas
- Dates
- Chews
- Other easily digestible carbohydrate sources
The important part is to practise your fuelling strategy during training, rather than trying something new on marathon day.
Your gut also needs training.
If you suddenly consume large amounts of carbohydrate during the marathon without having practised it, you may experience bloating, cramps, nausea or diarrhoea.
Never let race day be your first experiment.
6. What You Eat After a Run Matters
Recovery begins as soon as your run ends.
A good recovery meal or snack should bring together:
Carbohydrate + Protein + Fluids
For example:
- Banana + curd + oats
- Milk + banana + peanut butter
- Idli + sambar
- Rice + dal + curd
- Roti + paneer/tofu
- Dosa + sambar
If your next training session is soon, prioritising carbohydrate replacement becomes particularly important.
And don't forget fluids. Your post-run hydration should help replace the fluid you lost through sweat.
7. Train Your Gut Along With Your Legs
This is one of the most overlooked aspects of marathon nutrition.
Your gut can adapt to handling carbohydrate during exercise, but this requires practice.
During your long runs, experiment with:
- What you eat before running
- How long before running you eat
- What carbohydrate source you tolerate
- How much fluid you need
- Whether you need electrolytes
- How frequently you need to fuel
Keep a simple training nutrition diary.
Note down:
Distance → Duration → Pre-run meal → During-run fuel → Fluids → Energy levels → GI symptoms
Over a few weeks, patterns become easier to identify.
8. Strength Training Is Part of Marathon Preparation
Marathon training should not mean running exclusively.
Strength training can complement running by supporting muscle strength, movement control and resilience.
Include exercises targeting:
- Glutes
- Hamstrings
- Calves
- Quadriceps
- Core
- Hip stabilisers
Exercises such as squats, lunges, calf raises, bridges, step-ups and controlled core exercises can be incorporated depending on your training level.
You don't necessarily need long gym sessions. Two well-planned strength sessions per week can be a practical addition for many runners, provided they fit into the overall training plan.
9. Recovery Is Training Too
You don't become a better runner only while running.
Your body adapts during recovery.
Prioritise:
- Adequate sleep
- Sufficient food
- Protein intake
- Carbohydrate replenishment
- Hydration
- Rest days or easy days
- Mobility and appropriate strength work
If you're constantly exhausted, sore or struggling to complete your sessions, don't automatically assume you need to "push harder."
Sometimes you need better recovery and better fuelling.
10. The Week Before the Marathon
As race day approaches, your goal is not to suddenly become fitter.
Your training load generally reduces, allowing your body to recover while maintaining adequate fuel stores.
This is when your nutrition should become predictable and familiar.
Avoid experimenting with:
- New supplements
- Unfamiliar foods
- Very spicy meals
- Excessively high-fibre meals immediately before the race
- Large cheat meals
- New gels or sports drinks
Depending on the race distance and your individual plan, carbohydrate intake may be increased in the days leading up to the event to support glycogen stores.
Keep meals familiar, stay hydrated and prioritise sleep.
Your Marathon Nutrition Checklist
Before your next long run, ask yourself:
✓ Did I eat enough carbohydrate?
✓ Did I include protein in my meals?
✓ Am I adequately hydrated?
✓ Have I planned my during-run fuel?
✓ Have I practised this strategy before?
✓ Am I getting enough sleep?
✓ Am I including strength training?
✓ Am I giving my body enough recovery time?
Marathon preparation isn't about finding one magical food or supplement.
It is about getting the basics right, consistently.
Good carbohydrates fuel the run. Protein supports recovery. Hydration supports performance. Strength builds a stronger runner. And recovery allows all that training to translate into progress.
The best marathon nutrition plan is ultimately one that is nutritious, practical, personalised and tested before race day.
Marathon training demands more than just putting in the miles. It requires consistent, balanced nutrition to support energy, muscle recovery, and overall performance. Make Prolicious a part of your everyday training routine with whole-food protein and gut-happy fibre, thoughtfully made from familiar kitchen ingredients. From a protein-packed breakfast before a training session to a nourishing post-run meal, Prolicious makes it easier to add more nutrition to the foods you already love, without compromising taste.
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