Whether you're running your first trail run or aiming for an ultra race, your diet will play a key role in your performance, endurance, and enjoyment. Eating better means running better. Here's a simple guide, tailored to the real needs of trail runners, to optimize your nutrition before, during, and after the race. This nutritional support program is part of a comprehensive nutritional strategy and should be tested during training, ideally over time to avoid negative side effects.
💪 Before the trail: prepare your body
1. Within the previous 3 days
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Stock up on complexcarbohydrates (foods like brown rice, semi-whole-grain pasta, and sweet potatoes, for example) to replenish your glycogen stores. This will provide the foundation for your energy reserves for the long-term event.
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Hydrate yourself regularly (1.5 to 2 L/day) to prepare your body for exercise and maintain a good water balance.
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Focus on an easily digestible diet: limit irritating fibers, fatty or spicy dishes, which can cause digestive problems.
2. The day before
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A simple and digestible meal: starchy foods + cooked vegetables + small portion of protein (tofu, white fish or lean meats).
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No surprises: Stick to products you're familiar with to avoid any potential problems. This is an essential part of your overall preparation.
3. Breakfast on D-Day
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3 hours before the race, eat a meal rich in easily digestible carbohydrates (banana, porridge, wholemeal bread + jam, almonds, vegetable milk).
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Avoid dairy or fatty products. Hydration +++.
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If you're leaving early, consider ready-made alternatives like our COOKNRUN freeze-dried porridge. The quality of your departure day also depends on your morning diet.
🍫 During the trail: manage energy and hydration
1. Objective: provide 30 to 60g of carbohydrates/hour of exercise
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Alternate between bars, gels, fruit purees, isotonic drinks.
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Our COOKNRUN energy bars , made with fruit, cereals and seeds, are designed to provide a gradual supply of energy without a crash.
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Eat regularly, even before you feel hungry. Ideally, every 30 to 45 minutes to maintain your nutrient intake.
2. Think salty!
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In addition to sugar, salt is essential to prevent cramps and compensate for electrolyte losses.
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Our savory bars (e.g., sweet potato, herbes de Provence) are perfect for alternating flavors, complementing sweet products.
3. Hydration
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Drink 500 to 800 ml/ h depending on the temperature, in small, regular sips.
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Choose a drink with minerals and vitamins if the workout lasts more than 2 hours. You can also add a mild oil to slow down the absorption of sugars in certain cases of intense activity.
After the trail: optimize recovery 🥵
1. The 30 critical minutes
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Right after exercise, have a recovery snack: 3 parts carbohydrates to 1 part protein.
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Ex: recovery drink, smoothie, COOKNRUN protein bar + dried fruit. Rapid consumption of carbohydrates and proteins reduces muscle fatigue and boosts assimilation functions.
2. Post-race meal
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Stock up on:
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Colorful vegetables (antioxidants)
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Proteins (muscle repair)
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Complex carbohydrates (energy boost)
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Quality lipids (nut oil, seeds)
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3. Hydration ++
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Continue to drink plenty of fluids in the hours that follow.
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Water can be supplemented with an alkalizing drink or a draining infusion. This helps restore the body's acid-base balance.
🎁 COOKNRUN bonuses
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Our organic salty, sweet and protein bars: to vary your intake during races and recovery without saturating.
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Our freeze-dried vegetarian meals : for a healthy and rapid recovery.
Trail running isn't just about the legs. Nutrition is a real lever for performance , endurance, and enjoyment.
Adopt the right reflexes, test your training intake, and you will leave confident on the big day. Keep in mind the importance of a quality diet, supplemented if necessary with food supplements, to achieve your goals safely and healthily.