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Looking Beyond Peak and Average Performance

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Modern performance testing gives coaches more information than ever before.

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We can measure:

• Peak power
• Average velocity
• Maximum force
• Jump height
• Sprint speed
• Bar velocity

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Each metric tells us something valuable.

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Peak output tells us what an athlete is capable of producing.

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Average output tells us how performance is maintained within a specific effort.

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Together, they describe performance.

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But they do not tell the entire story.

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Performance Doesn’t Exist in a Single Moment

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Competition rarely asks athletes to perform one perfect repetition.

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Instead, athletes must repeatedly express high-quality performance while managing:

• Fatigue
• Technical demands
• Incomplete recovery
• Tactical adjustments
• Psychological pressure

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Performance therefore unfolds across time, not within a single repetition.

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Understanding how output behaves throughout that process provides another layer of performance insight.

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When Progress Doesn’t Feel Like Progress

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Many athletes become:

• Stronger
• Faster
• More explosive

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Yet competition performance remains inconsistent.

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The explanation is not always a lack of capacity.

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Sometimes the athlete has developed greater output without improving their ability to retain it.

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Capacity has increased.

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Performance durability has not.

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Capacity and Durability Work Together

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Developing higher output remains essential.

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Strength, power, and velocity create opportunity.

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But opportunity becomes meaningful only when it remains available throughout repeated performance.

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Capacity answers:

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‍What can the athlete produce?

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Durability answers:

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How long can they continue producing it?

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These are complementary qualities rather than competing priorities.

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Viewing Performance as Behavior

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Rather than evaluating isolated outputs, the EVZ methodology evaluates repeated-performance behavior.

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Across repeated exposures, coaches begin to observe:

• Output retention
• Performance stability
• Fatigue response
• Performance variability
• Adaptation over time

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These behavioral characteristics provide information that isolated measurements cannot.

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Performance becomes something to understand, not simply something to record.

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Measuring What Holds

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Within the EVZ methodology, repeated-performance behavior is quantified using the Retainable Power Index (RPI™).

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RPI measures how effectively an athlete retains their highest demonstrated output across repeated exposures.

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This complements traditional testing rather than replacing it.

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Peak measurements establish capacity.

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RPI evaluates reliability.

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Together they provide a more complete understanding of athletic performance.

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Why Athletes Plateau

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Performance plateaus are not always caused by insufficient effort or inadequate strength.

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Sometimes athletes have simply reached a point where developing additional capacity produces diminishing returns because existing performance is not yet stable.

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In these situations, improving output retention often becomes more valuable than increasing peak output.

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The objective shifts from producing more to preserving more.

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A More Complete Coaching Perspective

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Traditional performance metrics remain extremely valuable.

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They help coaches understand what athletes can produce under ideal conditions.

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Repeated-performance analysis extends that understanding into environments that more closely resemble competition.

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Rather than asking only:

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How high can the athlete perform?

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Coaches also begin asking:

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How consistently can that performance be sustained?

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That additional perspective often explains why athletes with similar testing results perform very differently in competition.

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The EVZ Perspective

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The Evans Velo Zone™ methodology expands performance evaluation beyond isolated outputs.

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The Power Retention Model™ explains why repeated performance matters.

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The Retainable Power Index (RPI™) measures how well performance is retained.

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Output Retention Programming (ORP™) develops greater performance durability over time.

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Together these components create a more complete framework for understanding athletic development.

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Not by replacing traditional performance testing—

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but by adding the behavioral layer that peak and average metrics alone cannot provide.

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Closing Perspective

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Peak performance represents possibility.

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Average performance provides useful context.

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Neither fully explains whether performance will remain available when competition becomes demanding.

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That requires understanding how output behaves across repeated exposures.

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Because athletes are not defined only by what they can produce once.

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They are ultimately defined by what they can repeatedly sustain.