What physiological metric is measured to determine a runner's running
Chapter 1

The foam revolution: how bubbles save your joints

Chapter 2

The snap of carbon fiber: mechanical springs underfoot

Chapter 3

Curved soles and aerodynamics: rolling through the wind

Chapter 4

The biomechanical trade-off: speed vs. physical strain

Ch 4 · The biomechanical trade-off: speed vs. physical strain
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The four percent equation

adidas Wouter Hoogkamer led the University of Colorado research into reduced oxygen consumption, inspiring the name of Nike's first commercial super shoe.

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Quiz

Which university's locomotion lab conducted the landmark 2017 study confirming the 4% energy savings?

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Quiz

What physiological metric is measured to determine a runner's running economy?

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Reducing immediate strain often transfers the physical toll elsewhere.

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Breaking the two-hour barrier

adidas Embedded carbon plates and energy-returning foam help athletes run faster with less effort.

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Quiz

What was Eliud Kipchoge's exact history-making time in his 2019 sub-two-hour marathon run?

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Quiz

In what city did Eliud Kipchoge complete his historic sub-two-hour marathon in 2019?

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Fun Fact

Math magic: Slower runners actually get a higher percentage improvement in their total finish times from super shoes than elite runners do!

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Quiz

What is the anatomical name of the critical midfoot bone at risk of stress injuries from excessive inward foot roll in super shoes?

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Quiz

What term describes the biomechanical movement of the rearfoot rolling or collapsing inward?

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Glossary
cadence (noun)
The number of steps a person takes per minute while walking or running. A 2026 study found that carbon-plated racing shoes significantly decreased this rate in elite runners.

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adidas The Lazy Ankle

These carbon plates do the work for you (doing the work!) / Don't let your ankles get lazy now (don't get lazy!)

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Quiz

Why do physical therapists advise against using carbon-plated shoes for everyday, slow recovery runs?

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Quiz

Why do runners feel less muscle soreness in their calves after running in super shoes?

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Gossip

Would you spend $250 on shoes just to run a bit faster?

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