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What size running shoes do I need?

Running shoes should be about a half to a full size larger than your dress shoes — your feet swell on long runs and your toes need room. Size by measured foot length in cm.

Enter your foot length to see your recommended size.

Running shoes size chart

Your foot lengthRecommended size
foot 22.5 cmUS men 4.5 / US women 6
foot 23.0 cmUS men 5 / US women 6.5
foot 23.5 cmUS men 5.5 / US women 7
foot 24.0 cmUS men 6 / US women 7.5
foot 24.5 cmUS men 6.5 / US women 8
foot 25.5 cmUS men 7.5 / US women 9
foot 26.0 cmUS men 8 / US women 9.5
foot 26.5 cmUS men 8.5 / US women 10
foot 27.0 cmUS men 9 / US women 10.5
foot 27.5 cmUS men 9.5 / US women 11
foot 28.0 cmUS men 10 / US women 11.5
foot 29.0 cmUS men 11
foot 30.0 cmUS men 12
foot 30.5 cmUS men 13
foot 22.0 cmUS men 4 / US women 5.5
foot 31.5 cmUS men 14

How to measure

  1. Trace your foot on paper in the evening.
  2. Measure heel to longest toe in cm.
  3. Add about half a size of room for running.

What changes your size

Long-distance runningSize up half a size for swelling on long runs.
Wide feetChoose a wide (2E) model rather than a longer shoe.
Between sizesGo up — a thumb of space at the toe prevents black toenails.
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FAQ

Should running shoes be bigger than normal shoes?
Yes, usually about half a size to a full size larger, leaving roughly a thumb width at the toe so your feet have room to swell.