Summary

It is a highly capable trainer, however you will feel like you're playing tug of war with the shoes. It is incredibly stiff and unforgiving for beginners and for easier runs. However, for speed sessions and tempo session it performs incredibly.
Posted Oct 02, 2026
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Adizero Boston 12
3.7/5
(3)
Pros
  • Amazing for faster paces, tempo runs, intervals
  • Continental outsole has unbelievable grip, even on wet asphalt
Cons
  • Incredibly stiff shoe
  • The upper has way too much room

Adidas Adizero Boston 12 Review

The Adidas Adizero Boston 12's are an incredible trainer, however, you will be fighting with the shoe. Despite having the Lightstrike Pro foam, I would always having to fight the stiff EnergyRods just to get a good toe - off. It is very unforgiving on daily runs, most especially easy paces. So, if you are a beginner I would not recommend this shoe. You might get shin splints or some lower leg pain which might discourage you from running. There is also s

My biggest issue though, is the inconsistency in Adidas' sizing. My Boston 12's are a size 37 1/3, but I have so much room in the toe box that my foot moves around especially in faster paces. If you are considering this shoe, I would recommend you size down half a size so you don't experience the same problem I did. 

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