Learning to Tread Water as an Adult: A Practical Guide
By Coach Tan Meng Chew (MC), SG Sink Or Swim
Ask an adult beginner what they most want from swimming lessons and many will say "to swim a full lap." Ask them what scares them most and the answer is often the deep end, where the feet can't touch the floor and there is nowhere to stand.
That fear is exactly why treading water matters.
Treading water is the skill of staying upright in deep water, with your head above the surface, without touching the bottom or holding onto the wall. It is not glamorous. Nobody films themselves treading water for social media. But in my years of coaching at SG Sink Or Swim, I have come to believe that it is one of the most useful skills an adult can learn. It turns the deep end from a place of panic into a place where you can pause, think and breathe.
In this article I'll explain what treading water actually is, why adults often find it harder than expected, the main techniques, a step-by-step way to learn it, the mistakes I see most often, how to build up your endurance, and how to practise safely on your own.
What Is Treading Water, Really?
Treading water means keeping your body upright and your head above the surface using small, continuous movements of your arms and legs. You are not trying to go anywhere. You are trying to stay in one place with as little effort as possible.
Think of it as the swimming equivalent of standing still. When you stand on land, your bones and muscles hold you up without much thought. In deep water, you have to create that support yourself, using your limbs to push water down so your body stays up.
There are a few reasons this skill matters.
It is a rest position. If you are swimming and get tired, or need to look around, or need to adjust your goggles, treading water lets you pause without having to reach the wall.
It is a safety skill. If you fall into deep water unexpectedly, being able to keep your head up and stay calm gives you time to call for help, find an exit or wait for rescue.
It builds confidence. Many adults I coach say that once they can tread water, deep water stops feeling like a trap. That mental shift often improves every other part of their swimming.
It supports other skills. The leg movements in treading water, especially the eggbeater kick, are useful for breaststroke, water polo and other water sports.
One honest caution: treading water is a skill that supports safety, but it does not make anyone "drown-proof". Being a capable swimmer also means knowing your limits, swimming in safe places and following pool rules and lifeguard instructions.
Why Adults Often Find Treading Water Hard
Children often pick up treading water faster than adults expect. They are lighter, more flexible and less worried about looking silly. Adults face a different set of challenges.
Body density and buoyancy. Everyone floats differently. Some adults have denser bodies, or carry more muscle and less body fat, and their legs tend to sink. This isn't a flaw, but it does mean you may need to work a little harder, especially at first.
Tight hips and ankles. Many adults spend hours sitting. Stiff hips, knees and ankles make it harder to perform kicks like the eggbeater, which needs a fair amount of hip rotation.
Fear and tension. In deep water, many adults tense up. Tension makes you sink, which makes you panic more, which makes you tense up even more. Breaking that cycle is the most important part of learning.
Poor breath control. If you gasp or hold your breath, your chest rises and your body position changes, making it harder to stay balanced.
Overworking. Adults often thrash their arms and legs, trying to "force" themselves up. This burns energy quickly. Efficient treading water looks slow, calm and almost lazy.
Self-consciousness. Nobody likes feeling clumsy in front of others. But treading water often looks clumsy while you are learning, and that's completely fine.
The good news is that all of these can be improved with good technique, patience and practice.
Before You Start: What You Should Be Comfortable With
I don't recommend jumping straight into deep-water treading if you are still very new to swimming. It helps to have a few basics in place first.
You should ideally be able to:
Put your face in the water and breathe out steadily (bubbles)
Float on your front and back, even if only for a short time
Push off and glide from the wall
Stand up calmly from a float in shallow water
Feel reasonably relaxed when the water is around chest or shoulder height
If you can't do these yet, don't worry. That is simply where we start. Treading water is a natural next step after floating and gliding, and building those skills first makes everything easier. If you are not sure where you stand, a coach can quickly assess you in the water.
The Main Techniques for Treading Water
There are several ways to tread water. None is "best" for everyone. The right one depends on your body, flexibility and goals.
1. The Vertical Flutter or Bicycle Kick
This is often the first method adults try, because it feels intuitive. You stay upright and move your legs as if you were pedalling a bicycle, while your hands make small movements to help you balance.
Pros: Easy to understand and good for beginners.
Cons: Tends to be less efficient, and can tire your legs quickly.
2. The Scissor Kick
Here, one leg moves forward and the other backward, then they switch, like a small, rapid stride. The legs push the water downward, keeping you up.
Pros: More stable than the bicycle kick, and works well for many adults.
Cons: Needs good coordination, and can feel awkward at first.
3. The Breaststroke Kick (Whip Kick)
You use the same kick as in breaststroke: knees bend, feet turn outward, then you press the water around and back, snapping your legs together. This works well in a vertical position.
Pros: Powerful and familiar to anyone who knows breaststroke. Many adults find it feels strong and secure.
Cons: It uses a lot of energy if done too forcefully, and needs a decent range of motion at the hips and knees.
4. The Eggbeater Kick
This is the technique used by lifeguards, synchronised swimmers and water polo players. Your legs move in alternating circles, one clockwise and the other anticlockwise, so that one leg is always pushing water down. That gives you continuous support and stable height in the water.
Pros: The most efficient and stable method once learned. It frees your hands, so you can hold something, signal for help or wave.
Cons: It takes time to learn and needs flexible hips. Many adults find it frustrating at first.
For most adult beginners, I suggest starting with either the scissor kick or the breaststroke kick and moving to the eggbeater later if you want to.
The Role of the Hands
Your hands matter as much as your legs. In treading water, your arms usually perform a gentle "sculling" action: moving your hands in small, wide figure-of-eight or side-to-side motions just below the surface, with your palms slightly angled. This produces lift and helps keep your chest and head up.
Large, splashy arm movements waste energy and often push your head under. The aim is small, smooth and controlled.
A Step-by-Step Way to Learn
Here is the progression I use with adult learners at SG Sink Or Swim. Take your time with each stage, and don't move on until you feel comfortable.
Step 1: Get Comfortable in Deeper Water
Start in water where you can stand, and gradually move to depths where the water reaches your chest, then your shoulders. Stay near the wall. Practise breathing calmly and holding the wall with one hand while you move your legs.
The goal here is not skill. It is relaxation. If your shoulders are up around your ears and your breath is short, you're not ready to move on.
Step 2: Practise Leg Movements at the Wall
Hold the pool edge with both hands, or with one hand if you are comfortable, and let your body hang in a vertical position. Practise your chosen kick. Don't worry about staying up yet, because the wall is holding you.
For the breaststroke kick, focus on bringing your heels toward your bottom, turning your feet out, and pushing the water around and back in a smooth circle. For the scissor kick, practise a small forward-and-back stride.
Check your knees. Most beginners bend them too much. A smaller, tighter movement is almost always better.
Step 3: Add the Sculling Action
Now work on your hands. In shallow water, stand with the water at about chest height. Stretch your arms out to your sides, just under the surface, with palms facing down. Move your hands in a gentle outward-and-inward sweep, as if you were smoothing out a tablecloth.
Feel how this pressure on the water lifts your upper body slightly. That feeling is what you'll rely on later.
Step 4: Combine Arms and Legs, Near the Wall
Move to a depth where you can still touch the bottom if needed, ideally near the wall. Lift your feet off the floor and try combining your leg kick with gentle sculling. Stay for only a few seconds at first, and put your feet down whenever you need to.
This stage can feel wobbly and unsettling. That's normal. Each short attempt teaches your body how to balance.
Step 5: Move to Deeper Water, With Support
When you are ready, move to deeper water with a coach, a supervised setting, or at least a safe spot close to the edge. A flotation aid such as a pool noodle or a swim belt can help build confidence while you practise.
Practise for 10 to 20 seconds, then rest. Gradually extend the time. Focus on staying calm, breathing steadily, and keeping your movements small.
Step 6: Remove the Aids and Build Duration
Over several weeks, reduce your reliance on aids. Aim to tread for 30 seconds, then a minute, then two. Don't count the seconds too obsessively, though. What matters is that you are relaxed and in control.
Step 7: Practise Real-Life Scenarios
Once you are comfortable, add small challenges, such as:
Treading water while looking around
Treading water with one arm raised
Treading water while talking or calling out
Switching from treading water to swimming, and back again
These help you transfer the skill from the training setting to real situations.
The Breathing Piece: A Calm Mind Keeps You Afloat
Breathing deserves its own section, because it is where many adults struggle.
In deep water, your instinct may be to gasp or hold your breath. Both of these make treading water harder. Gasping makes your chest rise and fall sharply, disturbing your balance. Holding your breath builds tension and tires you faster.
Instead, aim for slow, steady breathing:
Breathe in through your mouth, calmly.
Breathe out slowly, through your mouth or nose.
Keep your chin slightly lifted, but don't strain your neck.
Try to keep your breathing rhythm unhurried, even when you feel nervous.
If you start to feel panic rising, slow down your movements, lengthen your exhale, and if needed, switch to a back float to rest. A back float, with your ears in the water and your chest and stomach up, is one of the best resting positions for any swimmer. Practising the transition between treading water and back floating is, in my view, one of the most valuable things an adult can learn.
Common Mistakes I See (and How to Fix Them)
Over time, I've seen the same mistakes repeated again and again. Here are the most common ones.
1. Big, frantic movements.Fix: Make everything smaller and slower. If you are splashing a lot, you are probably working too hard.
2. Leaning forward or backward.Fix: Keep your body upright, with your head in line with your spine. Leaning tips your legs up or down and wastes energy.
3. Sinking hips.Fix: Engage your core slightly, keep your legs moving steadily, and make sure your sculling is generating lift.
4. Kicking too deep.Fix: Keep your kicks compact. Large kicks use more energy and throw you off balance.
5. Holding your breath.Fix: Practise slow exhaling. Think "calm and steady" instead of "survive".
6. Tensing your shoulders.Fix: Remind yourself to relax your shoulders and neck. Tension spreads through the body and makes everything harder.
7. Looking down.Fix: Keep your eyes forward or slightly up. Looking down drops your head and hips.
8. Practising only when tired.Fix: Practise near the beginning of a session when your body is fresh, then relax and swim.
9. Giving up after a few tries.Fix: Treading water is a skill learned over weeks, not minutes. Short, regular practice works better than long, exhausting attempts.
Building Endurance: How Long Is Long Enough?
Many adults ask, "How long should I be able to tread water?" There is no universal number. Different programmes, workplaces and sports use different benchmarks, and what suits one person may not suit another.
As a general guide for adult learners, I like to see progress like this:
First few weeks: a few seconds near the wall, with breaks
After a month or two of practice: 20 to 30 seconds in deeper water
After several months: one to two minutes, relaxed
With continued practice: three to five minutes or more, as endurance builds
These are only rough markers. Some adults progress faster, some slower. If you have a specific goal, such as a lifeguard course, a fitness test or a water sport, check the requirements for that programme and train with them in mind.
To build endurance safely:
Practise in short intervals, with rests in between (for example, 30 seconds of treading, 30 seconds of rest).
Gradually increase the duration over weeks, not days.
Mix techniques, so different muscles share the work.
Stop if you feel cramping, dizziness or unusual fatigue.
Treading Water With Different Body Types and Abilities
Every body is different, and a good approach adapts to that.
If your legs sink easily: Focus more on your sculling and consider a stronger kick, such as the breaststroke kick. A little extra upper-body support can go a long way.
If your hips are stiff: Try the scissor or bicycle kick first, and add gentle hip and ankle mobility exercises on land. The eggbeater can wait until you are more flexible.
If you have knee or joint discomfort: Tell your coach. Some kicks put more strain on the knees than others, and we can modify the technique or choose a gentler option. If you have any medical concerns, it's wise to speak with your doctor before starting a new exercise.
If you are older: Age isn't a barrier. I've coached adults well into their fifties and beyond who learned to tread water successfully. The key is patience, appropriate pacing and clear communication about what feels comfortable.
If you are very anxious: Spend more time on the early steps, such as breathing and holding the wall, and practise in water depths where you feel safe. Fear is not a sign you can't learn. It is simply a sign you need a slower, kinder pace.
Practising on Your Own: Staying Safe
Many adults want to practise between lessons, and that's a great idea. But treading water involves deeper water, so safety must come first.
Here are my guidelines:
Don't practise alone in deep water, especially while you are still learning. Practise when a lifeguard is on duty and, ideally, with a friend nearby.
Stay close to the wall or a pool edge, so you can grab it if you tire.
Follow the pool's rules and lifeguard instructions.
Avoid practising when you are very tired, unwell or have just eaten a heavy meal.
Use a flotation aid at first, if it helps you build confidence.
Know your limits. If you feel panic coming on, head to the wall and rest.
Don't test yourself in open water (sea, reservoir, or river) until you are strong, experienced and properly prepared. Open water has currents, waves and temperature changes that are very different from a pool.
A simple practice session might look like this:
Warm up with some easy swimming or floating (5 minutes).
Practise leg movements at the wall (5 minutes).
Practise sculling in shallow water (5 minutes).
Do short treading intervals in deeper water near the wall: 15 to 30 seconds, with 30 to 60 seconds of rest, repeated several times (10 minutes).
Finish with a back float and a few relaxed breaths (2 to 3 minutes).
About 25 to 30 minutes is enough. More is not necessarily better.
Why Coaching Helps, Especially for Adults
You can learn some of this on your own with videos and practice, and many people do. But treading water involves a lot of small details that are hard to feel and see by yourself: the angle of your hands, the tilt of your body, the timing of your kicks.
A coach can:
Spot problems you can't feel
Give you feedback in real time
Adjust techniques to suit your body
Keep you safe while you challenge yourself
Help you manage fear, not just technique
At SG Sink Or Swim, I take a patient, step-by-step approach with adults. I'll never push you into deep water before you are ready, and I'll never make you feel foolish for being nervous. Many of my adult learners tell me that their fear melted once they understood what their body was doing and why. Treading water, in particular, tends to be a turning point. Once you can hold yourself up in deep water, the whole pool feels different.
If you are thinking about starting, or if you've tried before and felt discouraged, I'd encourage you to give it another go with proper guidance. The skill is learnable, and the confidence that comes with it is well worth the effort.
Frequently Asked Questions
Can I learn to tread water if I can't swim yet?
Yes, in many cases. Treading water is separate from swimming strokes, though comfort with floating and breathing helps a lot. A coach can help you decide where to start.
How long does it take to learn?
It varies. Some adults get the basics in a few sessions, while others need a couple of months of regular practice. Be patient with yourself.
Which kick is easiest for beginners?
Many adults find the breaststroke kick or scissor kick easiest. The eggbeater is more efficient but takes longer.
Why do I keep sinking?
Common causes include tension, poor breathing, tilted body position, and big, inefficient movements. Slowing down and relaxing often helps more than trying harder.
Is treading water tiring?
At first, yes. But once your technique improves, it becomes far less tiring. Efficient treading water should feel calm and controlled.
Do I need special equipment?
No. A comfortable pair of goggles can help, and a flotation aid can build confidence at first. But the skill itself needs nothing but water and practice.
Can treading water save my life?
It can help you stay afloat and gain time in an emergency, but it isn't a guarantee. Combine it with other water safety skills, such as floating, swimming to safety and knowing when to call for help.
Do I need to take lessons?
You don't have to, but lessons make learning safer, faster and less frustrating, especially for nervous adults.
Final Thoughts
Learning to tread water as an adult isn't about being athletic, young or fearless. It is about learning to stay calm, move efficiently, and trust that the water can hold you.
To recap the key points:
Treading water is a rest and safety skill that builds confidence in deep water.
Adults often struggle because of tension, stiffness and overworking, not because they lack ability.
Choose a technique that suits your body: the breaststroke kick and scissor kick are good starting points, with the eggbeater as a later goal.
Small, smooth movements beat big, frantic ones.
Learn in stages: comfort, leg movements, sculling, combining both, then deeper water.
Breathe slowly, and use a back float to rest.
Practise safely, with supervision, and build endurance gradually.
Good coaching saves time and reduces fear.
If you've been avoiding the deep end, I hope this article shows you that it doesn't have to stay that way. One calm, steady kick at a time, you can learn to hold yourself up and feel at home in the water.
At SG Sink Or Swim, I'd be glad to help you take that first step, whether you're a complete beginner or a swimmer who wants to feel safer in the deep end.
Coach Tan Meng Chew (MC) is the coach behind SG Sink Or Swim, helping children and adults in Singapore learn to swim with confidence and safety.
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