Swim Drills for Triathletes: Technique Practice That Transfers

Choose drills that address an observable part of your own freestyle—body position, relaxed breathing, balance, catch timing or coordination—then return to ordinary swimming to see whether the feeling carries over. A drill is a practice constraint, not a shortcut that guarantees a faster race. There is no single list that fixes every athlete, and no reliable promise that a particular set saves a fixed number of minutes.

Start with a small number of drills, perform them over short distances with plenty of control, and use a version you can do safely in your pool. Stop if a movement causes pain, dizziness or unusual breathlessness. Ask a qualified swim coach or clinician for individual assessment if you have a shoulder problem, significant fear of water or a medical condition. For open-water safety, supervised venues and event rules matter as much as technique.

Most triathletes swim 2–3 times per week for 1 hour. That's 90,000–150,000 m per year — a fraction of what swimmers do. You will not out-yard a swimmer. You can only out-technique your past self.

Drills isolate one piece of the freestyle stroke so your brain and body can learn it without the distraction of full-stroke coordination. Done well, 10 minutes of drills per session can knock 1–3 minutes off a sprint swim split and 5–10 minutes off a 70.3 swim within 8 weeks.

The rule: pick 2–3 drills per session, repeat them for 3–4 weeks, then re-test with a video. Random drill-of-the-day swimming wastes water time.

If you're brand new to freestyle, start with our improve your triathlon swim guide first, then come back here for the drill library.

These drills use simple constraints to help you notice balance and head position. They are examples, not mandatory steps, and each should be adjusted to your comfort and ability. Do them in a lane with enough space, avoid pushing off into another swimmer, and do not hold your breath for long periods.

1. Streamline push and glide. From the wall, push gently in a comfortable streamlined position, face in the water only if you can exhale continuously and remain relaxed, then stand or take a stroke before speed fades. Notice whether your head and hips stay level. Do not chase maximum distance or prolong an underwater glide.

2. Side balance with easy rotation. Use a short side-kick or side-glide variation only if you can breathe comfortably. Keep the head relaxed, rotate as a whole body and take a breath when needed. A snorkel may make the exercise easier for some swimmers, but it can also mask breathing problems; use it only if permitted and familiar.

3. Front scull or supported balance. In shallow water or with a float at hand, make small hand movements and feel water pressure without forcing a large pull. This can help attention to the hands, but it is not a strength test. A beginner who is not confident floating should practise with a qualified instructor in a supervised setting instead of attempting an unsupported drill.

Catch drills are intended to make the start of the pull more understandable, not to force an elbow angle or pull harder. The shoulder is a complex joint; avoid painful positions and do not use paddles to compensate for a movement that is not comfortable.

4. Front sculling. Keep the elbows relaxed and move the hands through a small range near the front of the stroke. Feel pressure against the water without sweeping so widely that the body wobbles. Use a few metres at a time, then swim easy freestyle.

5. Fist swimming. Close the hands loosely and swim a short easy length. This changes the feel of the forearm's contribution; it is not evidence that the swimmer should always pull with a closed fist. Open the hands afterward and notice the difference without over-gripping.

6. Single-arm freestyle. Swim with one arm working while the other rests in a comfortable position. Breathe normally and alternate sides only if the movement remains relaxed. If the drill makes you twist, sink or struggle for air, shorten the distance or choose another exercise.

7. Catch-up freestyle. Let one hand meet the other near the front before starting the next pull, using a gentle rhythm. Avoid locking the lead arm or reaching far across the body's centerline. A coach may choose another version if catch-up disrupts the timing you need.

Refinement drills should support a comfortable, repeatable stroke, not a perfect-looking shape copied from a photograph.

8. Three-stroke breathing check. Swim easy and breathe on the side that feels most comfortable. If bilateral breathing is already easy, occasionally alternate sides; do not force a three-stroke pattern when you need air sooner. The objective is relaxed exhalation and a low, comfortable head turn, not proving symmetry.

9. Six-kick switch or short rotation drill. From a balanced side position, take a few controlled kicks and rotate smoothly to the other side. Use a snorkel or fins only if you already know how they affect your movement and the facility permits them. Keep the drill short. Stop if your lower back, neck or shoulder becomes uncomfortable.

10. Drill-to-swim transition. After a short drill, swim 25–50 metres of easy whole-stroke freestyle and notice one cue. This is not a separate technique trick, but it tests whether the drill's attention can transfer to the full stroke. If the cue disappears, reduce the number of reminders and repeat at an easier effort rather than adding more drills.

Use this as a menu, not a prescribed training plan. Keep the swim volume and effort appropriate to your current capacity and any plan you already follow. If you swim once per week, repeating one simple drill may be more useful than trying to squeeze in the entire menu.

Week	Technique emphasis	Example practice block	Check
1	Comfort and exhalation	4–6 short, easy drill repeats with relaxed swimming between	Can you breathe and stop without panic?
2	Balance and head position	Repeat one body-position drill, then swim easy whole stroke	Does the cue remain comfortable when the drill ends?
3	Catch awareness	Try one low-effort scull or fist variation for a short distance	Can you feel pressure without shoulder discomfort?
4	Transfer and review	Choose the drill that best matches one observation; finish with normal easy swimming	What changed in comfort, not merely in a watch number?

There is no automatic progression from week to week. Repeat a phase, simplify the drill or seek coaching when movement is unclear. If your swim frequency is low, build regular comfortable swimming before adding complex technique work. A drill block should complement, not replace, the aerobic swimming and open-water preparation appropriate to your race.

Worth buying:

• A snorkel (front-mounted) — lets you focus on body position without breaking rhythm to breathe.
• A pull buoy for occasional pull sets, especially when learning catch drills.
• Fins (short, training fins) — only for kick-on-side and 6-3-6 if your kick is very weak.

Skip or use sparingly:

• Paddles — risk shoulder injury without good technique first.
• Tempo trainer — useful at advanced level, distracting for beginners.
• Tech swimsuits — won't fix a stroke flaw.

For a full gear breakdown, see our triathlon swim gear essentials guide.

Do not judge a drill only by whether you can perform its shape or whether one timed length is faster. Useful signs include being able to repeat a cue without pain, breathing more comfortably, maintaining a relaxed line, or returning to freestyle with more awareness. These are observations, not proof that the drill has changed race performance.

Compare like with like if you record time or stroke count: same pool length, similar effort, rest, equipment and conditions. A single length can vary because of turns, pushing off, fatigue, pacing or counting errors. A lower stroke count is not automatically more efficient if you are gliding excessively, holding your breath or swimming slower. Stopwatch times should not drive a technique change that makes you tense or uncomfortable.

Ask a coach to observe you from more than one angle or use video only with permission and within facility rules. A coach may identify that a cue works in a drill but fails during normal swimming. Change one thing at a time, swim enough full-stroke repetitions to test it, and write down how it felt. If progress is not clear, that does not mean you need a harder drill; the exercise may not match the issue or may need a simpler version.

A drill is a poor fit if it leaves you panicked, unable to breathe, in pain or unable to control your position in the lane. Long underwater breath-holding, repeated maximal hypoxic sets and unsupported floating drills are not sensible default practice for a triathlete. Do not train alone in open water, and do not assume a pool drill makes an athlete ready for cold, waves, contact or sighting.

Avoid treating paddles as a beginner's catch correction. Large paddles can raise load on the shoulder and may conceal a movement problem. Fins can help some drills but can also change body position and speed; remove them and check whether the cue carries into ordinary swimming. A snorkel limits normal breathing practice and may be prohibited by the facility. Equipment is optional and should have a clear purpose.

Stop a session when pain, dizziness, chest discomfort, severe breathlessness or unusual symptoms occur. Seek appropriate medical advice for concerning symptoms and qualified coaching for technique needs. Safety comes before completing a planned drill count.

Before choosing an exercise, describe what you can actually observe. “My hips sink when I lift my head to breathe” is more actionable than “my body position is bad.” “I feel rushed as my recovering hand enters the water” is more useful than “my catch is weak.” If possible, ask a coach to watch a relaxed length. A single sensation may have several causes, so avoid self-diagnosing from a video clip or a social post.

Observation during easy swimming	A low-risk practice focus	What the drill cannot establish
You lift the head to inhale and legs drop	Comfortable side breathing or supported balance	It cannot determine whether neck mobility or another factor is involved.
You feel no water pressure at the front of the stroke	Short front scull or gentle fist swimming	It does not prove that a larger pull or paddle will help.
You cross the midline and feel a zigzag	Coach-observed entry and relaxed whole-stroke swimming	It cannot guarantee a straight open-water line without sighting practice.
Your breathing feels hurried	Easy exhalation practice and shorter repeats with more rest	It does not diagnose asthma, anxiety or another medical issue.
One shoulder hurts during the drill	Stop the drill and seek qualified assessment	A technique article cannot diagnose or treat shoulder pain.

Choose just one priority per session. A swimmer who tries to change head position, kick, hand entry and breathing simultaneously may become stiff and lose awareness of which change helped. Keep the cue short enough to remember while moving. If a drill produces a new problem, discontinue it rather than forcing the intended shape.

A practical session usually places technique practice after an easy warm-up and before fatigue makes coordination harder. It can be brief. For example, swim a relaxed warm-up, perform several short repetitions of one drill with easy recovery, then complete a comfortable whole-stroke set while keeping one simple cue in mind. Finish with relaxed swimming. The exact distance depends on the pool, ability, schedule and existing training plan; this is a structure, not a prescription.

Keep transitions clear: rest at the wall, check that the lane is open, and begin only when you have room. A drill that requires stopping mid-lane should be used only when it is safe and the facility allows it. Do not block faster swimmers or change lanes without looking. In crowded public sessions, choose a drill that can be performed predictably within the lane rather than equipment-heavy or wide movements.

Use normal swimming to test transfer. If a drill cue only appears when the body is in an artificial position, simplify it. You might shorten the drill, reduce the kick, use support or ask a coach to demonstrate. When technique practice is over, swim in the manner that feels safe and comfortable; not every lap needs a correction cue. Skill learning includes relaxed repetition, not constant self-criticism.

Equipment changes the task. A pull buoy supports the legs; fins add propulsion and can change body position; a snorkel changes breathing demands; paddles increase the surface area of the hands. These effects may make a specific drill easier to feel, but they can also hide the movement you want to practise. Follow pool rules and start with familiar equipment in a controlled setting.

For an early-stage swimmer, no equipment is required to learn to breathe calmly and move through the water with supervision. If equipment creates shoulder strain, neck discomfort or an unfamiliar sense of speed, remove it. A device should not be used to force through pain or to make a swimmer appear more skilled than they feel without it. For gear guidance, prioritize fit, comfort and facility permission over online claims about guaranteed speed.

Check that a pull buoy or kickboard does not become a collision hazard in a crowded lane. Do not share mouth-contact equipment unless it has been cleaned as the facility recommends. Store gear so it does not obstruct walkways. If you train in a club, ask the coach what the equipment is intended to teach and how to know when to take it away.

A pool offers a predictable lane, wall, temperature and visibility. An open-water swim may add waves, current, cold, low visibility, other athletes, unfamiliar entry and exit points, and no wall to stop at. A drill can help develop comfort with a part of freestyle, but it does not reproduce those conditions or certify readiness.

Practise open water only at a supervised, permitted location with suitable conditions and a companion or safety support as required. Use a visible swim buoy where permitted, follow local water-quality and access guidance, and know how to exit. Rehearse sighting and swimming near others gradually in a controlled setting; do not make your first crowded start the race. Event briefings determine whether wetsuits are allowed and how course changes are handled.

If you feel panic, become unusually cold or cannot maintain a calm breathing pattern, stop and signal for help. A triathlon swim is optional in the moment: withdraw if conditions exceed your ability. Review the open-water practice guide for safe ways to prepare when a lake is not accessible.

A small log helps you distinguish a meaningful pattern from a good or bad lap. After a session, write down the drill, the cue, whether breathing felt controlled, any discomfort and one observation from normal swimming. Include pool length and whether you used equipment if you plan to compare sessions. Do not turn every entry into a time target.

Date and setting	Drill and cue	What happened in whole stroke?	Next choice
Short note	One drill only	Comfortable, unchanged or less comfortable?	Repeat, simplify, replace or ask a coach

If you film technique, obtain permission, avoid recording others and follow facility privacy rules. Save only what you need. Compare clips taken from similar angles and speeds; a surface view cannot show everything happening underwater. A qualified coach can interpret the view and help choose the next step. If tracking increases anxiety or makes you ignore discomfort, stop logging and return to comfortable supervised swimming.

An unfamiliar movement may feel awkward at first, but “awkward” has several meanings. It could be the normal feeling of a new coordination task, a drill that is too complex, a lack of water confidence, or a position that causes pain. Do not push through all of those sensations as if they were the same. Make the task smaller, use support, return to normal swimming or ask an instructor to watch.

What you notice	Try this low-risk response	Stop or ask for help when
You cannot remember the drill steps	Use one cue, shorten the distance or watch a qualified demonstration	You are distracted enough to collide or lose lane awareness
You feel rushed for air	Pause at the wall, breathe normally and choose a simpler version	Breathlessness is severe, unusual or does not settle with rest
Your legs drop more during a breathing drill	Return to easy freestyle and practise a comfortable breath separately	You feel panic, dizziness or cannot stay safe in the water
The shoulder feels pinched or painful	Stop that drill and use a pain-free movement only if advised	Pain persists or returns; seek qualified clinical assessment
The drill works but normal swimming feels unchanged	Reduce the drill's duration and carry one simple cue into full stroke	You are tempted to force a new shape or add load to compensate

Do not try to repair a perceived problem by adding resistance. Paddles can increase the load on the shoulder; bands or tethered swimming require skill and a safe installation. A drill should remain easy enough for you to maintain awareness of breathing, lane position and other swimmers. If you are new to swimming, supervised instruction may be more useful than self-directed technique work.

It is also reasonable to decide a drill is not for you. Coaches choose from a large toolbox and adapt it to a swimmer's body, experience and goal. If one exercise causes confusion and another gives a clearer, comfortable sensation, use the simpler option. The point is to practise a useful skill, not complete a list.

Swim access is not identical for every athlete. Pool depth, lane speed, disability access, sensory needs, schedule, cost and comfort with changing facilities can shape what practice is possible. Ask the facility about accessible entrances, lane availability and equipment rules before arriving. A swimmer may use a mobility aid, adaptive equipment or a support person; consult qualified instructors familiar with the swimmer's needs rather than assuming one standard drill applies.

If a crowded lane is stressful, try a quieter session time, a shorter visit, or an instructor-led lesson. Tell a lifeguard or coach about a safety concern before entering. Set an easy exit point and take rests at the wall when needed. There is no need to copy a fast lane's distance or pace. Consistent, safe practice can be valuable even when it looks different from a conventional workout.

For athletes returning after injury, a clinician may recommend movement limits or a staged return. Respect those limits; technique cues that increase range, force or repetition can conflict with rehabilitation. Drills are not therapy unless prescribed and supervised as part of a treatment plan. Stop if symptoms increase and communicate the change to the appropriate professional.