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When you start running to lose weight, it's easy to fall into the trap of “I have to eat less for it to work”. Less bread, fewer starches, less pleasure… and more sports to compensate.
⚠️ But be careful : eating too little, especially when increasing your energy expenditure with running, can quickly become counterproductive. When your body doesn't receive enough energy to function, it goes into “survival mode”. It slows down everything it can: digestion, hormones, recovery, sleep etc. You might lose a little (sometimes a lot!) weight initially, but you also risk losing muscle, feeling exhausted, having uncontrollable cravings… and seeing your metabolism drop.
If you really want to lose weight sustainably — and above all, without exhausting your body — you need to start with something simple, but often forgotten: listen to your needs.
What exactly is intuitive eating?
It's a way of eating that reconnects you to your sensations: hunger, satiety, desire, pleasure. No more rigid rules like “no starches in the evening” or “one fruit if you're hungry but no more”. The idea is to learn to trust your body. It knows what it needs.
💡 Spoiler: when you run regularly, it needs energy, not deprivation.
🙏 How to apply this when you want to run and lose weight?
👉 Are you hungry? You eat.
Even if it's not “the time”. Even if it's not light or “healthy”. If you're hungry after your workout, it's normal. Your body has worked hard, it demands fuel.
👉 Are you full? You stop.
No need to finish your plate if you're no longer hungry. On the contrary, if you're still hungry, you can have more. Yes, even if you “have already eaten enough according to the plan”. It's sometimes the hardest part but working on satiety will help you avoid small caloric surpluses that sometimes go unnoticed.
👉 You observe your automatisms. Are you still snacking when you get home from work? Do you consistently have dessert even when you're not hungry? No worries: the goal is not to eliminate but to understand why.
That's intuitive eating: bringing back a bit of awareness, kindness, and stopping chasing external rules. This way of eating will allow you to find your balance weight (different from performance weight!), in the most natural way possible. Balance weight is the weight at which your body stabilizes without you making too much effort.
🤯 Cognitive restriction: when your brain takes (too much) control
We talk about it little, but the real obstacle to weight loss isn't necessarily lack of exercise or poor diet. It's sometimes… too much control.
This is called cognitive restriction.
Your brain imposes rules on you (“don't crack”, “avoid starches”, “deserve the meal after the run”), even if your body says otherwise. Well, rest assured, the brain didn’t invent that on its own! You know, when you were 6 years old that, when your grandma said “be careful, you're not going to fit into your swimsuit” or that person on the street who says “oh, this little one ate well”. Unfortunately these thoughts are rather addressed to little girls…
👉 Result? You hold on, you hold on… until you break down. And then, you eat more than planned, with guilt. And you tell yourself that you have “no willpower”. But the problem isn't you! That's what they've put in your head.
🍽️ Eating enough to not destroy your metabolism (and your figure)
Running is a physical effort that triggers energy expenditure. Your body needs fuel to keep going. If you eat too little, it will slow down your metabolism (your body's resting energy expenditure) to adapt. You will be tired, you will recover less well, you will have fewer results… and paradoxically, you will have a harder time losing weight.
Moreover, if you deprive your body of what it needs, it won't tap into fat alone. It will also go and tap into muscle. That's a shame, because it's precisely what gives you strength, tonus, good posture… and that boosts your metabolism.
Weight loss and diet: why eating enough will help you progress (and lose weight too)
Creating a slight caloric deficit, yes, it helps with weight loss, and it's essential to trigger weight loss. But be careful of excesses.
🚨 Red-S: when your body says stop
There is a phenomenon that is still too little known: the Red-S syndrome, for “Relative Energy Deficiency in Sport”. for<1> “Relative Energy Deficiency in Sport”. In short, you give a lot to your sport, but you don't eat enough to compensate.
👉 Results:
your body starts to save energy (by slowing down non-essential functions),
you get injured more easily,
your performances stagnate or regress,
you can have hormonal disorders (amenorrhea, reduced libido, sleep disturbances),
you feel constant fatigue, even after rest.
This is serious. And above all, it's avoidable.
🔑 Solutions to run and lose weight healthily
So, what to do concretely to eat enough without falling into the opposite excess? No need to change everything, but a few simple adjustments can make a real difference.
👉 Gradually increase your starch portion: rice, whole pasta, potatoes, bread etc. They are what provide you with the necessary energy to run and recover. You can also focus on legumes (lentils, chickpeas, red beans), rich in carbohydrates but also in proteins and fiber.
👉 Split your meals: if you have trouble eating a lot at once, consider adding one or two snacks during the day. And above all, optimize your intake around the effort: a snack beforehand if needed, and a real meal or appropriate recovery after, to properly recharge the body.
👉 Be vigilant about your protein intake: they are essential to preserve your muscle mass, especially if you are in an energy deficit. No need to overconsume, but make sure there is some at every meal.
And if you feel that you have difficulties finding the right balance, that you're asking a thousand questions, or that you recognize yourself in some Red-S signs: don't hesitate to consult a nutrition professional.
A caring external perspective can really help you see more clearly, without judgment.
Find all our tips for eating well in your daily running life.
🧘♂️ Running to feel better in your heart: not just to lose weight
We often talk about running as a way to burn calories.
It's true, running burns energy, as we've seen before. But if you reduce running to a simple tool to “erase” your previous meal… you miss what's essential, and the slope can quickly become slippery.
Because running is much more than that! It's reconnecting to your body. It's breathing deeply. Clearing your mind. Feeling the pride of having moved, etc.
And above all: to do good to yourself.
🏃♀️ What running really brings you (spoiler: it's not just physical)
When you run regularly, you don't just gain in “figure”, you gain in:
Daily energy,
self-esteem (yes, you're capable of doing what you thought was impossible),
better digestion,
higher quality sleep,
better mood thanks to the famous endorphins,
a calmer relationship with your body.
Even if the scale doesn't move right away, your body does. And above all, your self-perception evolves.
📆 Create a consistent (and sustainable) running routine to run and lose weight sustainably
If you want to progress without injuring yourself or exhausting yourself, it's not enough to lace up your sneakers and run every day 'to eliminate'.
You need a structured plan, that respects your level, your schedule, and above all… your body, simply a Campus plan!
💡 Some guidelines:
👉 frequency : 3 to 4 workouts per week are more than sufficient to make progress.
👉 intensity : alternates between sessions in base endurance (to strengthen your heart) and shorter, more intense workouts (like intervals or uphill, for example).
👉 Rest: days without running are essential. This is where your body adapts, gets stronger… and where the results appear.
No need to run every day for 60 minutes to see an effect. What matters is consistency!
Running for weight loss can be a great way to start your weight loss journey.
Running burns calories, and your body continues to burn calories as it recovers after a workout. But if you want to lose weight in a healthy, sustainable way, it's time to move beyond the idea that you simply need to eat less and burn more calories.
You have every right to want to feel better in your body, improve your fitness, or regain your energy.
But achieving your goals shouldn't mean restricting your food intake, pushing your heart rate to its limits during every run, or exhausting yourself with endless workouts.
You don't need special equipment or extreme training plans to make progress. What matters is building a routine that works for you, one that combines enjoyable physical activity, proper nutrition, and enough recovery.
Because running is about so much more than losing weight.
It's about learning to listen to your body, fueling it rather than controlling it, and finding joy in movement instead of focusing solely on the number on the scale.
And that's where the real magic happens: when you stop trying to control every calorie,
find a routine that makes you feel good, and learn to eat to fuel your performance rather than punish your body.
In the long term, the goal isn't just to lose weight. It's to build a healthier, stronger relationship with your body and with running.
Mélanie
Publié le , mis à jour le
Mélanie FRECHON, always passionate about cooking, sports (triathlon), and nutrition! I am a state-certified dietitian nutritionist, specialized in sports nutrition. My target audience is and will always be sports nutrition. I specialize in supporting endurance athletes. However, I also support other types of sports, as well as future mothers, young children, and people looking for an overall improvement in their lifestyle. https://melanie-nutritionniste.fr/
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