What to eat on heavy training days
On heavy training days, increasing your intake of carbohydrate is key for performance. Here, we pick meals which give you the right balance of protein and carbs
On heavy training days, getting your nutrition right is vital in order to meet the increased demands on your body and ensure rapid refuelling and recovery. Read on to find out which foods to choose and why hydration is also a key element.
Discover what to eat before a run, swim and cycle, as well as what you should eat if you train in the morning or evening. Plus, we have nutrition plans for normal training days and low-intensity and rest days.
Nutrition plan for heavy training days: two or more training sessions or a long, endurance-based session
Increase the carbs
Your intake of carbohydrate should be raised on these days and, as a general rule, a serving should be included at all main meals to top up muscle glycogen (fuel) levels. Our roast chicken thighs with brown rice & salsa verde is a great healthy option.
Snacks can also be used to support high levels of training. Higher-GI carbohydrate snacks mid-morning or mid-afternoon can be a useful tool to increase overall energy intake, or go for a quick pre-training snack.
The priority here is to increase carbohydrate intake as the body's main fuel, but don’t forget to maintain both protein and polyunsaturated fat intake with each meal as well. Be sure to include an evening snack containing protein, as this is vital to help your body recover from a heavy training day and assist muscle growth overnight. This is when a large amount of growth and repair will occur in the muscles. You can find ideas in our high-protein snack recipes.
More like this
Check out our list of the top fitness foods.
Other important nutrients
Up your fluid intake to compensate for sweat losses during training and stick to tried and tested foods before setting out on a long or intense workout. It's best to avoid foods that may cause gastrointestinal issues, such as spices, fatty or very high-fibre foods.
Selecting fruits and vegetables that contain antioxidants, such as blueberries, or dietary nitrate may offer further benefit to the muscles during training and recovery.
Meals for heavy training days
Breakfast options:
Cinnamon buckwheat pancakes with cherries
Blueberry baked oats
Good-for-you granola
Morning snack options:
Cinnamon berry granola bars
Banana yogurt pots
Lunch options:
Falafel burgers
Chicken & broccoli pasta bake
Quick chilli bean wraps
Afternoon snack suggestion:
Instant frozen berry yogurt
Dinner options:
Spanish rice & prawn one-pot
Lamb with buckwheat noodles & tomato dressing
Chicken, sweet potato & coconut curry
Evening snack suggestions (optional):
Protein shake
More training & nutrition tips
All our marathon meal plans
Health benefits of exercise
Best exercise for weight loss
See our marathon nutrition hub
How to hydrate properly
What is carb-loading?
Are you training for an event this year? What have you found most challenging and do you have any top tips to share? We'd love to hear from you below...
These meal plans were last updated on 12 December 2023.
James Collins is recognised as a leading performance nutritionist through his work with Olympic and professional sport. Over the last decade he has worked with Arsenal FC, the England and France national football teams and Team GB. He has a private practice in Harley Street where he sees business executives, performing artists and clients from all walks of life. He is the author of the new book The Energy Plan, which focuses on the key principles of fuelling for fitness.
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