90Score
CoreScore breakdown
3,100 reviews · 38 expert tests
Comfort88
Durability85
Performance93
Value84
Fit accuracy90
Saucony
Endorphin Speed 4
Fast without the carbon tax.
roadReflectiveRemovable insole
Best for
Tempo runsRace daySpeed workoutsVersatile training
Not ideal for
Recovery runsPlantar fasciitisVery soft-ride seekers
Verdict
The Saucony Endorphin Speed 4 is one of the top-rated speed trainer in our database, scoring 90/100. It excels for tempo runs and race day. Most users highlight exceptional energy return. The main trade-off: not plush enough for easy days.
01
Lab measurements
Weight
218g
UK size 9 men's
Heel drop
8mm
Moderate
Heel stack
35mm
Forefoot stack
27mm
Midsole hardness
25HC
Soft
Energy return
74%
Higher = bouncier
Toebox width
94mm
Breathability
82/100
Outsole grip
79/100
Flexibility
65/100
Heel counter
3/5
Ankle hold
Sustainability
22%
Recycled content
02
Fit guide
Sizing specs
SizingTrue to size. SpeedRoll geometry shifts stride efficiently.
Size rangeUS 5–14
Width optionsB, D, 2E
Arch supportneutral
Removable insoleYes
Orthotic readyNo
Best for
Tempo runs
Race day
Speed workouts
Versatile training
Not ideal for
Recovery runs
Plantar fasciitis
Very soft-ride seekers
03
Price tracker
7-month price history
$160Oct
$152Nov
$136Dec
$160Jan
$146Feb
$160Mar
$150Apr
04
Construction
05
What people say
What people love
Exceptional energy return
Light and responsive
Three width options
Common complaints
Not plush enough for easy days
SpeedRoll geometry polarising
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