Sports Nutrition: Fueling Your Marathon

Sports Nutrition: Fueling Your Marathon

  1. Carbohydrate Loading

Carbohydrates are your body’s primary source of energy during endurance activities like marathon running. In the days leading up to your race or long run, focus on increasing your carbohydrate intake to maximise your glycogen stores. This process, known as “carb-loading,” ensures that you have enough energy to sustain you through the marathon.

Carbohydrate Sources:

  • Whole grains (brown rice, oats, quinoa)
  • Pasta, bread, and potatoes
  • Fruits such as bananas, apples, and oranges
  • Vegetables like sweet potatoes, carrots, and leafy greens
  1. Pre-Run Meal Timing

Your pre-run meal should be consumed 2-4 hours before your run to allow for proper digestion. This meal should be high in carbohydrates, moderate in protein, and low in fat and fibre to avoid gastrointestinal discomfort.

Sample Pre-Run Meal:

  • A bowl of oatmeal topped with a banana, honey, and a handful of almonds
  • A turkey sandwich on whole grain bread with a piece of fruit
  • A sweet potato with a side of grilled chicken and steamed broccoli
  1. Pre-Run Snacks

If your race or long run is scheduled early in the morning, or if you need a quick energy boost, consider a small, easily digestible snack 30-60 minutes before starting. Keep it light and rich in simple carbohydrates.

Quick Pre-Run Snacks:

  • A banana or apple with peanut butter
  • A slice of toast with jam
  • An energy bar or gel designed for endurance athletes
  1. Hydration

Proper hydration is crucial for maintaining performance and preventing dehydration. Drink water throughout the day leading up to your run, but avoid excessive fluid intake immediately before running to prevent a bloated feeling.

Hydration Tips:

  • Drink 16-20 ounces of water 2-3 hours before running.
  • Consume 8-10 ounces of water 30 minutes before starting your run.
  • Consider an electrolyte drink if you tend to sweat heavily or are running in hot conditions.

Post-Run Nutrition: Refuelling and Recovery

  1. The 30-Minute Window

The first 30 minutes after your run is a critical window for recovery. During this time, your muscles are most receptive to replenishing glycogen stores and repairing tissue. Aim to consume a snack or meal with a 3:1 or 4:1 ratio of carbohydrates to protein.

Post-Run Snack Ideas:

  • A smoothie with banana, berries, spinach, protein powder, and almond milk
  • A whole-grain bagel with peanut butter and a glass of chocolate milk
  • Greek yogurt with honey and granola
  1. Protein for Muscle Repair

Protein is essential for repairing the muscle fibers that are broken down during your run. Incorporate high-quality protein sources into your post-run meal to aid recovery and reduce muscle soreness.

High-Protein Foods:

  • Lean meats (chicken, turkey, lean beef)
  • Fish (salmon, tuna)
  • Eggs
  • Legumes (beans, lentils)
  • Dairy products (milk, yogurt, cheese)
  • Plant-based protein sources (tofu, tempeh, quinoa)
  1. Rehydration

After your run, it’s important to replace the fluids lost through sweat. Water is often sufficient for shorter runs, but for longer distances or hot weather, you may need an electrolyte drink to replenish sodium, potassium, and other essential minerals.

Rehydration Tips:

  • Drink at least 16-24 ounces of water for every pound of body weight lost during the run.
  • Include an electrolyte drink if your run was particularly long or intense.
  1. Replenish Glycogen Stores

In addition to protein, focus on replenishing your glycogen stores with carbohydrate-rich foods. A balanced post-run meal should contain both carbohydrates and protein to ensure a full recovery.

Post-Run Meal Ideas:

  • Grilled chicken with quinoa and roasted vegetables
  • A turkey and avocado wrap with a side of sweet potato fries
  • Salmon with brown rice and steamed asparagus
  1. Anti-Inflammatory Foods

To further support recovery, include anti-inflammatory foods in your diet. These foods help reduce muscle inflammation and promote faster healing.

Anti-Inflammatory Foods:

  • Berries (blueberries, strawberries)
  • Leafy greens (spinach, kale)
  • Fatty fish (salmon, mackerel)
  • Nuts and seeds (almonds, chia seeds)
  • Turmeric and ginger

In Conclusion

For marathon runners, nutrition plays a vital role in performance and recovery. By properly fueling your body before a run and ensuring optimal recovery afterward, you can improve endurance, prevent injuries, and feel stronger throughout your training and on race day. Remember, every runner’s nutritional needs are different, so it’s important to experiment during training to find what works best for you.

If you’re planning on running multiple marathons Back-to-Back what else should you consider?

Taking on the challenge of running multiple marathons back-to-back requires not only physical endurance but also a well-thought-out nutrition plan that supports sustained energy, optimal recovery, and overall health. When you’re running consecutive marathons, your body’s demands increase significantly, and proper fueling becomes even more critical. Here’s how to adjust your nutrition strategy for such an intense endeavour:

1. Prioritise Recovery Nutrition

After each marathon, your immediate focus should be on rapid recovery. The 30-minute window post-race is crucial for replenishing glycogen stores, repairing muscle tissue, and rehydrating. However, when running multiple marathons, it’s essential to continue refuelling throughout the day.

Recovery Plan:

  • Carbohydrate-Rich Meals: Ensure every meal includes complex carbohydrates like whole grains, sweet potatoes, or pasta to rebuild energy stores.
  • Frequent Protein Intake: Consume protein every few hours to support ongoing muscle repair. Include lean meats, eggs, dairy, or plant-based proteins in your snacks and meals.
  • Hydration: Stay vigilant about hydration. In addition to water, consider electrolyte drinks to replace lost minerals.

2. Maintain High Energy Availability

Running back-to-back marathons requires maintaining high energy levels across multiple days. Eating enough calories to meet your energy needs is crucial, and you may need to increase your intake of both carbohydrates and fats.

Energy-Boosting Tips:

  • Increase Caloric Intake: You may need to consume more calories than usual, so focus on nutrient-dense foods that provide sustained energy, such as nuts, avocados, and whole grains.
  • Snacking: Keep energy bars, fruit, and nuts on hand to eat between meals and throughout the day. This will help keep your energy levels stable.
  • Carb-Loading Between Races: Continue carb-loading between marathons to ensure your glycogen stores are fully replenished each day.

3. Focus on Gut Health

Digestive comfort is key when running multiple marathons, as your gastrointestinal system is under additional stress. Include foods that are easy to digest and support gut health.

Gut-Friendly Foods:

  • Low-Fibre Carbs: Opt for lower-fibre carbohydrate sources like white rice, pasta, or bananas close to race time to avoid gastrointestinal distress.
  • Probiotics: Incorporate probiotic-rich foods like yoghourt or kefir to support digestion and nutrient absorption.
  • Small, Frequent Meals: Eating smaller, more frequent meals can prevent bloating and ensure your digestive system isn’t overloaded.

4. Listen to Your Body

During a multi-marathon challenge, your body’s needs may change daily. Listen to your hunger cues, adjust portion sizes based on how you feel, and prioritise foods that your body craves. Flexibility and attention to your body’s signals are key to sustaining energy and performance across consecutive races.

Final Thought

Running multiple marathons in succession is an extraordinary challenge that demands not only physical endurance ( see our article on Preparing your body for a marathon)  but also meticulous nutritional planning. By focusing on recovery, maintaining high energy availability, supporting gut health, and being attentive to your body’s needs, you can optimise your performance and complete your challenge in peak condition. Our team of highly qualified nutrition specialists not only help with domestic clients but are also specialist in sports nutrition. If you are taking part in sports whether it be a marathon, 10k, 5k or even a football tornament, we can help.

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Steven Hartill Clinica Lead Therapist and Managing Director
Steve started in the sports therapy industry in 2012. From there he studied soft tissue specialisms at Oxford University where he qualified as a level 5 soft tissue specialist. As part of his qualifications he is an expert in Soft Tissue related issues and injuries and provides services such as Massage Therapy, Sports Massage and Sports Therapy, Rehabilitation Programs and Advice, Nutrition Plans and Advice, Medical Acupuncture, Spinal Manipulation, Cupping Therapy and more.