How to look your best for summer vacations

Written by Martin Ebner.
Updated Sept 2026

Man and woman walking along a beach in swimwear

The fitness industry gets particularly stupid when summer approaches. Two weeks becomes a detox, water becomes the enemy and somebody tries to sell you a tea that will apparently reveal your abs by Friday. Let’s not do any of that.

How much you can change depends on where you’re starting and how long you have. Twelve weeks is enough to make visible, meaningful progress. Two weeks is enough to feel better, look a little sharper and arrive with more confidence, but it isn’t enough to rebuild your body. The aim is to use the time well without doing anything you’ll regret halfway through the holiday.

FIRST, DECIDE WHAT “LOOKING YOUR BEST” MEANS

For most people, the pre-holiday goal is to lose some body fat while keeping as much muscle as possible. If that’s you, the job is a moderate calorie deficit, regular strength training and enough protein to recover.

If you’re already lean and want to look bigger, don’t copy a fat-loss plan because summer happens to be close. You’ll need enough food to support your training, and my guide to lean bulking without gaining unnecessary fat is the better place to start.

Pick one main job. Trying to build a noticeable amount of muscle, lose a large amount of fat and peak for a beach photo at the same time usually ends with a confused diet and fairly average training.

THE RULES DON’T CHANGE WITH THE DEADLINE

A shorter deadline doesn’t make the basics less important. It makes them more important because you’ve got less room for wasted effort.

Create a calorie deficit you can maintain, not the largest one you can survive. For many people, eating roughly 300 to 500 calories below maintenance is a sensible starting point. One meta-analysis found that prolonged energy deficits impaired gains in lean mass, with deficits around 500 calories a day preventing lean-mass gains in the studies analysed. That doesn’t make 500 a magic number, but it’s a good reason not to slash your food simply because the flight is booked.

Keep strength training in the week. During dietary weight loss, adding resistance exercise has been shown to protect fat-free mass and improve strength compared with dieting alone. In plain English, if you want to look firmer rather than merely lighter, give your muscle a reason to stay.

Protein matters as well, but there’s no need to rebuild the same calculation here. My guide to protein for different fitness goals will help you set a sensible target.

Finally, keep moving outside the gym, drink normally and sleep as well as life allows. A daily walk isn’t exciting enough to appear in a transformation advert, but it’s easy to recover from and surprisingly useful when repeated.

IF YOU HAVE 12 WEEKS

This is the best position to be in. You’ve got enough time to build a routine, measure what happens and make calm adjustments instead of guessing.

Spend the first week establishing your starting point. Record several morning weigh-ins, take a waist measurement and get two simple photos in consistent light. Then repeat the process weekly. You’re looking for a trend, not permission to panic after one salty dinner.

Aim to lose roughly 0.5 to 0.75 percent of bodyweight per week if fat loss is the goal. A study comparing two rates of weight loss in athletes found that the slower approach produced better outcomes for lean mass and strength than the faster one. You don’t need to chase the maximum rate every week. If your waist is coming down and your training is holding up, the plan is doing its job.

Two or three full-body strength sessions may be enough if you’re currently doing very little. If you already train regularly, keep the program you can progress rather than replacing it with twelve weeks of random circuits. Add walking and one or two cardio sessions where they fit. My comparison of HIIT and longer cardio will help you choose between them.

Review the plan every two weeks. If nothing is changing and you’ve followed it properly, reduce food slightly or add a little movement. If progress is steady, leave it alone.

IF YOU HAVE 8 WEEKS

Eight weeks is still plenty of time for a visible difference, but you can’t afford a fortnight of being “good” from Monday to Thursday and then starting again after the weekend.

Choose meals you can repeat without making every day feel like punishment. Build them around a useful protein source, fruit or vegetables, and enough carbohydrate to train properly. Leave room for food you enjoy, but decide the amount before it arrives rather than relying on holiday motivation in front of an open packet.

Keep the gym focused. Use familiar exercises, train the major muscle groups and record what you do. You don’t need to finish every session collapsed beside a rowing machine. You need to train well enough that your body has a reason to keep its muscle while your weight comes down. There’s more on that in why strength training helps with weight loss.

Alcohol is often the easiest place to recover a large number of calories without touching the meals that support your training. You don’t have to disappear from society for two months, but four drinks, a takeaway and the following day’s recovery food can remove most of the deficit you created during the week.

IF YOU HAVE 4 WEEKS

Four weeks isn’t the moment to begin an extreme new program. It’s the moment to make the useful parts of your existing plan unusually consistent.

Keep the calorie deficit moderate, lift two to four times a week and make walking the default whenever it’s practical. If you want more cardio, add the smallest amount you can recover from and place it where it won’t ruin your strength sessions.

Remove the obvious excess before obsessing over details. Alcohol, liquid calories, unplanned snacks and restaurant meals can make an enormous difference across a month. You don’t need to ban carbohydrates, cut out fruit or inspect the sugar content of a carrot.

Don’t introduce six new supplements, a fasting schedule and a training split you found last night. Every new variable makes it harder to tell what’s helping and increases the chance that you’ll be tired, hungry and thoroughly fed up before you leave.

IF YOU HAVE 2 WEEKS

Be honest about the scale of the job. You can lose some fat in two weeks, but the dramatic overnight changes sold online are usually water loss, flattering light or both.

Your best move is to become very consistent. Eat straightforward meals, keep protein in each one, walk daily and continue strength training. Reduce alcohol and the foods you know leave you uncomfortably bloated, but don’t start removing entire food groups because somebody on Instagram used the word inflammation.

Keep water, fibre and salt reasonably consistent. Cutting water or using diuretics can leave you flat, constipated, dizzy and in no mood to enjoy the trip. If a food regularly disagrees with you, avoid it. Otherwise, this isn’t the time to diagnose yourself with seven intolerances.

You can also improve how you look without pretending it’s fat loss. Clothes or swimwear that fit properly, a haircut, a little grooming, better posture and some sleep can do more for your confidence than a desperate final week in the gym.

THE FINAL 48 HOURS

Do nothing heroic. Eat familiar food, drink water, get some sleep and avoid a punishing workout that leaves you sore for the journey.

If you enjoy a short training session before you go, keep it light and use exercises you know. The goal is to feel good, not test your character with a thousand walking lunges before sitting on a plane.

Don’t starve all day before a big meal. Turning up ravenous makes it much harder to make a decision you’ll enjoy rather than inhale. Eat normally, then enjoy the dinner and get on with your holiday.

ONCE YOU’RE ON HOLIDAY

You don’t need to spend the trip protecting every gram you lost. Treat the holiday as maintenance, keep a few anchors in place and enjoy the reason you went.

Walk when it suits you, swim, hire a bike or do whatever activity is part of the place rather than forcing yourself through a hotel-gym punishment every morning. If you want more ideas, my guide to outdoor summer activities has plenty. One or two short strength sessions can also keep you feeling good, but missing a week won’t erase months of training.

Enjoy the food you travelled for. You can have a proper breakfast, a long dinner and a few drinks without treating the entire week as an eating competition. Keep drinking water, get some sleep where you can and return to your usual routine when you get home. No guilt, no punishment and no emergency Monday cleanse.

WHAT ABOUT FAT BURNERS?

A fat burner can’t create discipline or replace a calorie deficit. Most of the useful effect, where there is one, comes from helping with appetite, energy or adherence. It’s an optional extra, not the engine of the plan.

I’ve tested Hunter Burn as part of the wider Hunter Evolve range. If your food, training, movement and sleep are already in decent order and you’re curious about adding it, read my Hunter Evolve review before spending your money. If the basics aren’t in place, fix those first.

THE BOTTOM LINE

The more time you have, the more you can change. Twelve weeks gives you room for meaningful fat loss and better training. Eight or four weeks can still produce a clear difference. Two weeks is about tightening the routine, feeling better and avoiding last-minute stupidity.

Choose one goal, keep the deficit sensible, lift weights, walk and adjust only when the trend gives you a reason. Then go on holiday and enjoy yourself. Looking your best isn’t much use if the plan required you to arrive miserable.

If you like practical fitness advice backed by evidence and stripped of the usual nonsense, Check It Oot is my newsletter. I send it once or twice a month straight to your inbox.

Cheers,
Martin

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