100 Mile Review: Saucony Endorphin Speed 4

For one week, I ran exclusively in the Saucony Endorphin Speed 4 to test the shoe's limits. After 7 days and 100 miles, here are my thoughts on the shoe, how it performs, its durability, fit, feel and who it's best for. (Full disclosure: I also did one 4 mile run to test the Speed 2, so it wasn't technically exclusively in the Speed 4. So 100 miles in the Speed 4 + 4 miles in the Speed 2.)

0:00 - Intro
0:57 - Overview
2:06 - Midsole
3:37 - Upper & Fit
5:55 - Ride
10:37 - Outsole & Durability
12:24 - Who They're Best For
14:40 - Bonus: Durometer Test

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