900+ shoes ALTRAed and cut in half

15 currently testing

12 A sneaker for winners

We ALTRA 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.

timberland 6 in premium rubber toe boot | Latest ALTRAs

Popular ALTRAs

Testing process

Reasons That Running Can Make You Puke - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Reasons That Running Can Make You Puke - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Reasons That Running Can Make You Puke - Comparing the results
3. Our tests are standardized, and our results are comparable.
Reasons That Running Can Make You Puke - Wear test
4. adidas climacool shoes 2020 release info.
Reasons That Running Can Make You Puke - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.