The Saucony Endorphin Speed 4 is a flexible, plated trainer which is best suited to uptempo runs. It doesn’t offer as much speed assistance as other plated trainers but it has a natural ride with excellent traction. Version 4 feels faster than version 3 due to its firmer ride. It has a higher level of ground feel and a more streamlined design.
The pros
- Excellent traction
- More stability
- Faster ride
- Better agility