The Saucony Endorphin Speed 4 Review & Lab Test: Shop Men’S & Women’S Models of 2026

The Saucony Endorphin Speed 4 is a versatile supertrainer designed for runners seeking a lightweight and adaptable footwear option. With a laboratory-verified increased cushioning, this shoe proves to be ideal for long runs due to its spacious design. The addition of the firm foam translates to enhanced stability, making it suitable for various paces.

While there is a slight increase in weight and some users may find the lacing system less than optimal, the performance metrics of the Saucony Endorphin Speed 4 indicate significant improvements over its predecessor. Runners can expect notable comfort during extended sessions, solidifying its place as a valuable choice in the competitive running shoe market.


Pros

  • Remains lightweight
  • Excels at all paces
  • Great for track workouts
  • More spacious fit
  • Bouncy and enjoyable ride
  • Enhanced stability over v3
  • Suits daily training
  • Exceptional value
  • Sticky outsole feel

Cons

  • Slightly heavier than predecessor
  • Could be a bit firm for some

Key Features

  • Light, breathable mesh upper provides excellent ventilation and keeps your feet cool during runs.
  • Durable rubber outsole designed to withstand the rigors of an active lifestyle.
  • VERSARUN cushioning technology absorbs impact and minimizes pressure, enhancing daily movement comfort.
  • 12mm offset allows for a natural stride while maintaining sufficient cushioning.

Specifications

  • Origin: Imported
  • Sole material: Rubber
  • Outer material: Mesh
  • Inner material: Ethylene Vinyl Acetate

Saucony Endorphin Speed 4 Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

Saucony Endorphin Speed 4 Saucony Endorphin Speed 5 Adidas Adizero EVO SL Mizuno Wave Rebellion
Price $170 $175 $150 $180
Pace Tempo Tempo Daily running Tempo
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 8.4 oz / 237g 8.5 oz / 241g 7.9 oz / 223g 8.7 oz / 247g
Lightweight
Drop lab Drop brand 8.7 mm 10.6 mm 8.0 mm 7.7 mm
Strike pattern Heel Heel Heel Mid/forefoot
Size Slightly small True to size True to size Slightly large
Midsole softness Balanced Soft Balanced Balanced
Difference in midsole softness in cold Small Normal Small Normal
Toebox durability Decent Decent Bad Decent
Heel padding durability Good Good Good Decent
Outsole durability Good Good Good Bad
Breathability Breathable Breathable Breathable Moderate
Width / fit Medium Medium Medium Medium
Toebox width Narrow Medium Medium Medium
Stiffness Moderate Moderate Flexible Stiff
Torsional rigidity Moderate Stiff Stiff Stiff
Heel counter stiffness Moderate Stiff Moderate Stiff
Rocker
Heel lab Heel brand 36.2 mm 37.4 mm 36.1 mm 36.4 mm
Forefoot lab Forefoot brand 27.5 mm 26.8 mm 28.1 mm 28.7 mm
Widths available Normal Normal Normal Normal
Orthotic friendly
Season Summer Summer Summer All seasons
Removable insole
Ranking Bottom 18% Bottom 22% Top 1% Top 44%
Popularity Top 6% Top 11% Top 7% Bottom 26%