10 Common Swimming Mistakes Beginners Make (And How the Right Gear Can Help)
Most Swimming Problems Have Simple Causes
Swimming is unusual among sports in that trying harder often makes you worse. Push harder against water and you create more resistance; tense up and you sink; rush your breathing and you run out of air faster.
Almost every beginner struggles with the same handful of issues, and most of them come down to two things: a technique habit that needs unlearning, or a piece of equipment that's working against you.
Mistake 1: Holding Your Breath Underwater
The problem: New swimmers take a big breath, hold it while their face is in the water, then try to exhale and inhale in the split second their mouth clears the surface. It doesn't work. You end up gasping, your heart rate spikes, and you're exhausted after 25 metres.
There's also a physiological trigger: the urgent need to breathe is driven mainly by carbon dioxide buildup, not oxygen shortage. Holding CO₂ in your lungs creates panic even when you have plenty of oxygen left.
The fix: Exhale continuously while your face is in the water — a steady stream of bubbles through nose and mouth. When you turn to breathe, your lungs are already empty and you only need to inhale. One action instead of two.
Mistake 2: Wearing the Wrong Goggles
The problem: This is the most common equipment mistake and the one that does the most damage to a beginner's confidence. Goggles that leak mean you stop every length. Goggles that fog mean you swim blind. Goggles that press too hard give you a headache within fifteen minutes.
Beginners often over-tighten the strap to fix a leak, which makes everything worse — harder pressure, deeper marks, and no better seal.
The fix: Buy goggles that fit your face shape. Test by pressing the cups to your eye sockets without the strap — they should hold by suction for two to three seconds. If they don't, the shape is wrong, and no amount of strap tension will fix it.
For beginners specifically: clear or lightly tinted lenses for indoor pools, a wider cup profile, an anti-fog treated lens, and a soft silicone gasket rather than hard plastic.
playR Adult Swimming Goggles Essentials — Black Grey | Kids Goggles Mask — Pink Blue
More: How to Choose the Best Swimming Goggles
Mistake 3: Skipping the Swim Cap
The problem: Beginners treat caps as a pool rule rather than equipment. The result: hair in the face every third stroke, goggles that slip on every push-off, and hair that turns brittle within a couple of months of regular chlorine exposure.
The fix: Wear a silicone cap every session. Beyond hair protection, it stabilises your goggle strap — silicone-on-silicone doesn't slip the way silicone-on-hair does. Wet your hair with clean fresh water before you swim so it absorbs less pool water, tie it low and flat, then cap over the top.
playR Adult Silicone Swimming Cap Performance — Pink | Kids Fish Essentials — Blue
More: Why Every Swimmer Needs a Swimming Cap
Mistake 4: Poor Body Position (Sinking Legs)
The problem: The classic beginner shape — head up, hips low, legs dragging at a 30-degree angle. It creates enormous drag and it's exhausting. The root cause is almost always head position. Lifting the head to look forward pushes the hips down. It's a see-saw.
The fix: Look down at the bottom of the pool, not forward. Keep the waterline at the crown of your head. Press your chest slightly downward — this naturally lifts the hips. Think about swimming "downhill."
Gear that helps: A pull buoy floats your legs and puts you into correct alignment automatically. Fins do something similar by generating enough propulsion to lift the legs.
Mistake 5: Kicking From the Knees
The problem: A bicycle-pedal kick — big knee bend, feet churning, huge splash, almost no forward movement. It burns leg muscles fast and produces drag rather than propulsion.
The fix: Kick from the hip with a relatively straight leg and a relaxed ankle. The knee bends slightly, passively, from water pressure — you don't drive it. The kick should be small, fast, and mostly under the water surface.
Stiff ankles are the other half of this problem. Adults who've done a lot of running often have very limited ankle flexibility, which means their feet act as brakes rather than paddles.
Gear that helps: A kickboard isolates the legs so you can focus purely on kick mechanics. Short-blade fins both improve kick feel and gradually stretch tight ankles.
Mistake 6: Swimming With Tense Muscles
The problem: Clenched hands, rigid shoulders, locked neck. Tension burns oxygen, reduces range of motion, and — genuinely — makes you less buoyant. It's usually driven by anxiety about the water rather than anything technical.
The fix: Slow down. Deliberately relax your hands and jaw. Swim a length at half your normal effort and notice how little speed you actually lose. Ironically, fixing your goggles fixes a lot of this — a large amount of beginner tension comes from equipment discomfort.
Mistake 7: Skipping the Warm-Up
The problem: Straight from the changing room into hard freestyle. Cold muscles, unprepared shoulder joints, and a heart rate that spikes uncomfortably in the first two minutes.
The shoulder is a shallow, mobile joint doing a lot of repetitive overhead work in swimming. It's the most commonly injured area for swimmers, and cold starts are a major contributor.
The fix: Five minutes on deck — arm circles, shoulder rotations, torso twists. Then 200m easy in the water, mixing strokes, before any hard effort.
Mistake 8: Breathing Only to One Side
The problem: Most beginners settle into breathing to their dominant side every two strokes. Over time this creates an asymmetric stroke — one arm pulls stronger, the body rotates further one way, and you drift steadily toward one lane rope.
The fix: Practise bilateral breathing — every three strokes, alternating sides. Build up with drills: one length breathing left, one breathing right, then alternate every three.
Mistake 9: Doing the Same Session Every Time
The problem: Turn up, swim 1,000m freestyle at the same steady pace, get out. It's the swimming equivalent of walking the same route every day and wondering why fitness plateaus.
The fix: Structure your sessions. A simple template:
- Warm-up: 200m easy mixed strokes
- Drill set: 4 × 50m kickboard, 4 × 50m pull buoy
- Main set: 8 × 50m at effort, 20 seconds rest
- Cool-down: 100m easy
More: Swimming for Fitness: The Best Equipment to Improve Your Performance
Mistake 10: Not Cleaning and Storing Your Equipment
The problem: Wet goggles, cap, and swimwear stuffed into a sealed plastic bag and forgotten until the next session. Within days it smells; within months the silicone has hardened, the anti-fog coating is gone, and the swimwear elastane has disintegrated.
The specific killer for goggles is wiping the inside of the lens with your fingers. Anti-fog coating is microscopically thin, and skin oils plus friction strip it in a handful of swims. Then people conclude their goggles were "cheap."
The fix — a two-minute routine after every session:
- Rinse goggles, cap, and swimwear in cool fresh water
- Never wipe the inside of the goggle lens
- Air-dry everything away from direct sunlight
- Store goggles in their case
- Keep everything in a mesh gear bag so it drains and breathes
The Gear That Fixes the Most Problems
| Gear | Mistakes it helps with | Shop |
|---|---|---|
| Well-fitting goggles | Wrong goggles, tension, breathing confidence | Adult Essentials — Black Grey |
| Outdoor mirrored goggles | Glare, squinting, outdoor sessions | Performance — Neon Orange Grey |
| Kids goggles | Goggle anxiety, poor seal on small faces | Kids Essentials — Lt. Grey |
| Silicone swim cap | Goggle slipping, hair damage, drag | Performance — Silver |
| Kids swim cap | Hair protection for junior swimmers | Kids Wave Essentials — Pink |
All playR goggles use anti-fog treated polycarbonate lenses with 100% UV protection and soft silicone gaskets. All playR caps are premium silicone with snag-free interiors, in adult and junior sizes.
Frequently Asked Questions
What is the most common mistake beginner swimmers make?
Holding their breath underwater. Exhaling continuously while your face is submerged solves most beginner breathlessness on its own.
Why do my goggles keep leaking?
Usually the eye-cup shape doesn't match your face, not that the strap is too loose. Test the suction fit without a strap.
Why do my legs sink when I swim?
Almost always head position. Looking forward pushes your hips down. Look at the bottom of the pool and press your chest slightly down.
How often should a beginner swim?
Two to three sessions a week is enough for steady progress. Consistency beats duration.
Do I need a coach, or can I fix technique myself?
Most of these mistakes are self-correctable with drills and the right gear. A few sessions with a coach are still the fastest way to spot habits you can't see from inside the water.
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