88Score
CoreScore breakdown
2,620 reviews · 33 expert tests
Comfort85
Durability86
Performance92
Value86
Fit accuracy87
Adidas
Adizero Boston 12
The thinking runner's race-day shoe.
roadReflectiveRemovable insole
Best for
Half marathon10KTempo trainingDaily training
Not ideal for
Max cushion seekersWide feetStability needs
Verdict
The Adidas Adizero Boston 12 is one of the top-rated speed trainer in our database, scoring 88/100. It excels for half marathon and 10k. Most users highlight dual-density midsole excels. The main trade-off: narrow fit.
01
Lab measurements
Weight
228g
UK size 9 men's
Heel drop
6mm
Moderate
Heel stack
35mm
Forefoot stack
29mm
Midsole hardness
26HC
Soft
Energy return
72%
Higher = bouncier
Toebox width
92mm
Breathability
80/100
Outsole grip
82/100
Flexibility
62/100
Heel counter
4/5
Ankle hold
Sustainability
20%
Recycled content
02
Fit guide
Sizing specs
SizingRun true to size. Snug midfoot.
Size rangeUS 6.5–14
Width optionsD
Arch supportneutral
Removable insoleYes
Orthotic readyNo
Best for
Half marathon
10K
Tempo training
Daily training
Not ideal for
Max cushion seekers
Wide feet
Stability needs
03
Price tracker
7-month price history
$140Oct
$133Nov
$119Dec
$140Jan
$127Feb
$140Mar
$132Apr
04
Construction
05
What people say
What people love
Dual-density midsole excels
Continental rubber grip
Versatile trainer-racer
Common complaints
Narrow fit
One width only
Not for slow easy days
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