Stroke Lengthening Drills: Maximizing Backstroke Efficiency

Backstroke is unique among the competitive strokes in that swimmers can't see where they're going, which often leads to shorter, choppier strokes driven by anxiety rather than technique. Many swimmers compensate for this lack of visual feedback by increasing stroke rate rather than stroke length, which feels productive but is often less efficient. Maximizing distance per stroke—commonly called "stroke lengthening"—allows swimmers to cover more ground with less energy expenditure. The drills below target the specific technical elements that contribute to a longer, more efficient backstroke.

Why Stroke Length Matters in Backstroke

Distance per stroke (DPS) is one of the clearest indicators of swimming efficiency. A swimmer who takes fewer, more powerful strokes to cover the same distance is generally swimming more efficiently than one who takes many short, rushed strokes. In backstroke specifically, common causes of shortened stroke length include:

• Entering the water with a bent arm rather than a fully extended one

• Rushing the recovery phase due to disorientation or anxiety about not seeing ahead

• Insufficient body rotation, which limits the reach and power of each stroke

• Rounding the shoulder on entry instead of aligning it with the ear

Addressing these issues through targeted drills can meaningfully increase stroke length without necessarily requiring more strength or effort.

1. Count Stroke Drill

Before working on lengthening, it's useful to establish a baseline. This drill isn't a technical fix on its own, but it provides the measurement tool for tracking improvement from the other drills.

How to do it:

• Swim a 25m length of backstroke at a normal, comfortable pace

• Count the total number of strokes (counting one arm only, typically the right) it takes to complete the length

• Repeat this count periodically throughout training to measure whether stroke-lengthening drills are producing real results

What it improves: Provides an objective, trackable measure of stroke efficiency so swimmers and coaches can see whether technical changes are actually reducing stroke count over time.

2. Full Extension Entry Drill

This drill emphasizes reaching fully at the point of hand entry, which is one of the most common places where stroke length is lost.

How to do it:

• Swim backstroke while consciously focusing on fully extending the arm at the moment of entry, reaching as far back over the shoulder as comfortably possible

• Avoid entering with a bent elbow or a shortened reach

• Pair this with a mental cue like "reach for the wall behind you" to reinforce full extension

What it improves: Maximizes the starting point of each stroke, which directly increases the distance covered per pull.

3. Fingertip-Drag Recovery Drill

This drill slows down and exaggerates the recovery phase, helping swimmers avoid a rushed, short arm swing that shortens overall stroke length.

How to do it:

• During the recovery phase (when the arm is out of the water), drag your fingertips lightly along the surface as the arm swings from hip to overhead entry

• Focus on a smooth, controlled arc rather than a quick, rushed motion

• Maintain this drag through several stroke cycles per length

What it improves: Slows down a rushed recovery, encourages a fuller arm swing, and builds awareness of the complete range of motion available in each stroke.

4. 3-3-3 Drill (Rotation and Timing)

Body rotation contributes significantly to stroke length in backstroke, since a well-rotated stroke reaches farther than a flat one.

How to do it:

• Swim backstroke while holding each arm position for a count of three at three key points: after entry, during the mid-pull, and at hip exit

• Focus on feeling the hip and shoulder rotate together during each held position, rather than rotating the shoulders alone

• Gradually reduce the count as the rotational timing becomes more natural

What it improves: Reinforces full-body rotation, which extends reach at the front of the stroke and adds power through the pull, both of which increase distance per stroke.

5. Single-Arm Backstroke Drill

Similar to single-arm drills in freestyle, this isolates one arm at a time to build awareness of a complete, extended stroke path.

How to do it:

• Keep one arm resting at your side while the other arm performs the complete stroke cycle repeatedly

• Focus on full extension at entry and a complete pull through to the hip

• Switch arms after a set distance (25m is typical)

What it improves: Removes the coordination demands of alternating arms, allowing swimmers to focus entirely on maximizing the length and completeness of a single arm's stroke path.

6. Catch-Up Backstroke Drill

This drill enforces a pause between strokes, preventing the rushed, short strokes that often result from anxiety or poor pacing.

How to do it:

• Perform a stroke with one arm, then pause briefly with both arms extended (one entering the water, one at the hip) before beginning the next stroke

• Focus on feeling a complete glide moment between each stroke cycle

• Gradually reduce the pause as stroke length improves naturally without it

What it improves: Builds patience and full extension into the stroke rhythm, counteracting the tendency to rush strokes due to the lack of forward visibility in backstroke.

7. Distance-Per-Stroke Ladder Set

This set applies stroke-lengthening principles directly to structured practice, reinforcing the skill under more race-like conditions.

Sample set:

• 50m backstroke counting strokes, aiming to reduce stroke count from the previous length by 1–2 strokes

• Rest 20–30 seconds

• Repeat for 4–6 rounds, tracking stroke count improvement over the set

What it improves: Translates isolated drill work into practical application, training swimmers to maintain a longer stroke even as fatigue and pace increase.

8. Vertical Kick with Arm Extension (Dryland/Shallow Water Adjunct)

While not a swimming drill per se, this supplementary exercise builds the shoulder mobility and core stability needed to support a fully extended backstroke entry.

How to do it:

• In a vertical position in deep water (or using a resistance band on land), practice reaching one arm fully overhead while engaging the core to prevent excessive body sway

• Hold the extended position briefly before returning to a neutral position

• Repeat for both arms

What it improves: Builds the shoulder flexibility and core control needed to achieve full extension consistently, which is often a physical limitation rather than a purely technical one.

Common Stroke-Shortening Mistakes and Fixes

Mistake	Effect	Drill to Address It
Bent-arm entry	Reduces reach and stroke length	Full extension entry drill
Rushed recovery	Shortens overall stroke arc	Fingertip-drag recovery drill
Flat body position (no rotation)	Limits reach and power	3-3-3 rotation drill
Anxious, choppy strokes	Reduces glide and extension	Catch-up backstroke drill
Limited shoulder mobility	Physically restricts full extension	Vertical kick with arm extension

Final Thoughts

Maximizing backstroke efficiency through stroke lengthening isn't about swimming slower—it's about making each stroke count for more distance, which ultimately supports both speed and endurance. By combining measurement tools like stroke counting with targeted drills for extension, rotation, and controlled recovery, swimmers can systematically increase their distance per stroke without needing to add unsustainable effort. Since backstroke's lack of visual feedback often drives some of its most common inefficiencies, building patience and body awareness through these drills is often just as important as the physical technique itself.