700+ shoes reviewed and cut in half

24 currently testing

32 bought and to be tested

We review shoes

Guides

We go down the rabbit hole when it comes to running shoe technologies, features, and lab tests. See all our in-depth guides.

After 43 consecutive years of running a sub-5-minute mile | Latest reviews

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Testing process

Shoes CLARA BARSON WS2229-22 Black - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Shoes CLARA BARSON WS2229-22 Black - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Shoes CLARA BARSON WS2229-22 Black - Comparing the results
3. Our tests are standardized, and our results are comparable.
Shoes CLARA BARSON WS2229-22 Black - Flex test
4. We also Flex test shoes in their appropriate settings.
Shoes CLARA BARSON WS2229-22 Black - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.