Research·7 min read

Why Your Running Shoes Actually Matter

And why most advice gets it wrong

SS

Shoe Sherlock Team

January 28, 2026

Running shoes

Walk into any running shoe store and someone will probably ask to watch you walk. They might put you on a treadmill or examine the wear pattern on your old shoes.

Then comes the verdict: overpronator, neutral, or supinator.

Based on this quick assessment, you'll be steered toward motion control shoes, stability shoes, or neutral cushioned shoes. This system has been the backbone of running shoe recommendations for over 40 years.

Where Did This Idea Even Come From?

The pronation theory emerged in the 1970s, when running was booming. Researchers noticed that feet roll inward by different amounts and asked whether shoes should control it.

The assumption was straightforward: too much pronation puts more stress on the foot and leg, so the shoe should control it. Shoe companies ran with this concept.

"A whole industry formed around categorizing feet and matching them to corrective footwear."

But here's the problem: the foundational research was largely correlational. Researchers saw patterns. They assumed causation. When later studies tried to prove that correcting pronation changed the outcome, the evidence just didn't show up.

The New Approach: Trust Your Comfort

Dr. Benno Nigg, one of the most respected biomechanics researchers in the world, now advocates for something he calls the "comfort filter" approach.

The Idea

When runners choose shoes based on what feels most comfortable, they naturally select footwear that matches how they like to move. Your feet are pretty good at telling you what works.

The comfort filter is a proposal, not a proven rule, but it puts your own sense of comfort first. The shoe that feels right is a good place to start.

How We Built Shoe Sherlock Differently

This research is exactly why we designed Shoe Sherlock the way we did. Instead of asking technical questions about pronation that most people can't answer accurately, we focus on what actually works:

Your experience level : beginners and veterans need different things

Fit preferences : what you want more of, like cushioning or arch support

Shoes that worked for you : your own history is the best predictor

These inputs, combined with real shoe specifications and expert reviews, produce recommendations tailored to how you actually use your feet, not how someone thinks you should.

The Bottom Line

Trust your body. Pay attention to comfort. Consider your training load. Think about what has worked for you historically. These factors matter more than whether someone thinks your foot rolls inward a bit too much.

Sources

  1. Nigg BM, et al. British Journal of Sports Medicine, 2015

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