adidas Adizero Boston 10 - Worst upgrade of a shoe ?

This is my review of the adidas Adizero Boston 10 after 25 miles in it - a radical departure from the Boston 9. Whereas the Boston was previously known as a lightweight trainer that you could race in, it has now gained a lot of stack and weight and now seems to be pitched as a training companion to the Adios Pro 2 which has also just come out and will also review soon. Do I like this change for the Boston 10. Sadly not... In this video, I also introduce a new scoring system for my shoe reviews: Fit Score - out of ten. 10 is the best fit for me. Cushioning Score - out of ten. 10 provides the best cushioning and post run recovery feeling for me. Speed Score - out of ten. 10 means a shoe I feel I can go fastest in for the intended purpose. Overall Score - out of ten. An overall "impresssion" score - part based on the other scores and part a general feeling of if I like it or not. Hardness Rating - one of Very Firm, Firm, Neutral, Soft, Very Soft 0:00 Introduction 1:00 Footage in the...