Kickboard Drills for IM: Strengthening Kicks Across Strokes

The Individual Medley (IM) is a challenging event, requiring swimmers to excel in all four strokes—butterfly, backstroke, breaststroke, and freestyle—in a single race. While arm technique often gets the spotlight, strong and efficient kicks are equally crucial for propulsion, body balance, and energy conservation. Kickboard drills are a versatile tool to develop leg strength and refine kicking mechanics across all strokes, making them essential for IM swimmers.

Why Kicks Matter in IM

In IM events, kicks serve several purposes:

• Propulsion: Kicks drive the swimmer forward, particularly in butterfly and freestyle.

• Body Balance: Strong kicks help maintain streamline and reduce drag in backstroke and freestyle.

• Timing and Rhythm: Kicks coordinate with arm movements to create a smooth stroke.

• Energy Efficiency: Proper kicking conserves energy, especially during long races.

Neglecting kick training can lead to slower transitions, increased fatigue, and reduced efficiency across all strokes.

Key Kickboard Drill Principles

When performing kickboard drills for IM, swimmers should focus on:

1. Stroke-Specific Technique

   • Butterfly: Dolphin kick

   • Backstroke: Flutter kick with stable hips

   • Breaststroke: Whip kick with pointed toes and compact motion

   • Freestyle: Flutter kick with consistent rhythm

2. Body Alignment

   • Keep head neutral

   • Hips high in the water

   • Core engaged

3. Controlled Breathing

   • Breathe naturally without lifting the head excessively

   • Maintain rhythm to avoid disrupting streamline

4. Leg Strength and Endurance

   • Drill intensity can vary from moderate kicks to sprint-style kicks

   • Focus on endurance and propulsion for long-distance IM

Essential Kickboard Drills for IM

1. Butterfly Dolphin Kick Drill

Purpose: Strengthen core and butterfly propulsionHow to Perform:

• Hold the kickboard in front of you with arms extended

• Perform dolphin kicks while keeping hips and legs together

• Focus on generating propulsion from the hips

Benefits:

• Builds core and lower body strength

• Reinforces proper undulation

• Improves rhythm for the butterfly leg in IM

2. Backstroke Flutter Kick Drill

Purpose: Stabilize hips and enhance backstroke efficiencyHow to Perform:

• Lie on your back, holding the kickboard above the chest

• Perform flutter kicks, keeping legs straight but relaxed

• Engage core to maintain horizontal body alignment

Benefits:

• Improves body balance and streamline

• Increases kick endurance

• Strengthens hip flexors and hamstrings

3. Breaststroke Whip Kick Drill

Purpose: Refine breaststroke timing and powerHow to Perform:

• Hold the kickboard and extend arms forward

• Perform slow, controlled whip kicks

• Focus on inward knee bend, strong ankle flexion, and complete leg extension

Benefits:

• Strengthens quadriceps and calves

• Reinforces glide phase efficiency

• Reduces wasted energy during breaststroke

4. Freestyle Flutter Kick Drill

Purpose: Improve propulsion and endurance for freestyle legHow to Perform:

• Hold the kickboard in front of you or at the chest

• Perform rhythmic flutter kicks

• Keep toes pointed and core engaged

Benefits:

• Increases lower-body strength and speed

• Enhances leg endurance for long IM races

• Reinforces efficient body alignment

5. IM Kick Set

Purpose: Practice transitions between strokes with kick focusHow to Perform:

• 25m butterfly kick

• 25m backstroke kick

• 25m breaststroke kick

• 25m freestyle kick

• Repeat for 4–6 sets

Benefits:

• Strengthens legs across all strokes

• Improves stroke transitions in IM

• Builds stamina and rhythm

Integrating Kickboard Drills into IM Training

A 45–60 minute IM-focused session could include:

Warm-Up:

• 200m easy freestyle and backstroke

Drill Set:

• 4 × 50m Butterfly Dolphin Kick

• 4 × 50m Backstroke Flutter Kick

• 4 × 50m Breaststroke Whip Kick

Main Set:

• 4 × 100m IM Kickboard Set (25m per stroke)

• 4 × 50m Freestyle Flutter Kick

Cool Down:

• 100m relaxed freestyle or backstroke

This structure develops stroke-specific strength, reinforces technique, and builds endurance for IM events.

Tips for Maximizing Kickboard Drills

• Focus on Quality Over Speed: Controlled kicks build strength and efficiency.

• Engage the Core: Strong core stabilizes hips and improves propulsion.

• Monitor Stroke-Specific Form: Each stroke has unique kicking mechanics.

• Incorporate Intervals: Mix sprint and moderate-intensity kicks for power and endurance.

• Combine with Arm Drills: Ensure that kick improvements translate to full-stroke IM performance.

Common Mistakes to Avoid

• Overbending Knees in Flutter Kick: Reduces propulsion and increases drag.

• Dropping Hips: Causes body drag and inefficient strokes.

• Neglecting Stroke Differences: Using freestyle kick for breaststroke or butterfly reduces effectiveness.

• Overexerting: Fatigue can disrupt form and risk injury.

Correcting these mistakes ensures kickboard drills strengthen the legs and enhance IM performance efficiently.

Final Thoughts

Kickboard drills are a powerful tool for IM swimmers, helping develop stroke-specific leg strength, core stability, and endurance. By incorporating these drills into regular training, swimmers can improve propulsion, streamline, and rhythm, all of which are essential for a strong IM performance.

Consistent kickboard training builds both confidence and efficiency, allowing swimmers to transition seamlessly between strokes while conserving energy over long distances.