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.

The Surprising Truth

When researchers tested the pronation matching approach on 927 novice runners, it made no difference in injury rates. The supposedly correct prescription didn't protect against injuries any better than random selection.

Where Did This Idea Even Come From?

The pronation theory emerged in the 1970s when running was booming and so were running injuries. Researchers noticed patterns between foot types and injuries.

The assumption was straightforward: too much pronation equals more stress on tissues, which equals more injuries. 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 prevented injuries, the evidence just didn't show up.

What Actually Predicts Injury?

#1
Training Errors

Too far, too fast, too soon

#2
Previous Injuries

Your history matters most

#3
Weekly Mileage

Volume affects injury risk

These factors matter way more than any biomechanical measurement. A systematic review in the Journal of Orthopaedic & Sports Physical Therapy confirmed it: previous injury history and weekly running distance are far stronger predictors than pronation type.

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.

Key Research Finding

When runners choose shoes based on what feels most comfortable, they naturally select footwear that minimizes their individual injury risk. Your body is pretty good at telling you what works.

That intuitive sense of comfort correlates with reduced impact loading and more efficient movement patterns. The shoe that feels right probably is right — at least for you.

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

Issues you've had — practical problems need practical solutions

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. Nielsen RO, et al. British Journal of Sports Medicine, 2014
  2. van Gent RN, et al. British Journal of Sports Medicine, 2007
  3. Nigg BM, et al. British Journal of Sports Medicine, 2015
  4. Agresta C, et al. Scientific Reports, 2025

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