adidas Adizero Boston 12 vs Adizero Evo SL

Which Running Shoe Is Better?

Products

adidas Adizero Boston 12
adidas Adizero Evo SL

Tested using Methodology v0.8.2

Updated Oct 21, 2025 07:30 PM

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Amazon.com

Tested using Methodology v0.10

Updated Mar 10, 2026 03:31 PM

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Adidas.com
  1. Recommended in 3 articles:
  2. Running Shoes
  3. Women
  4. Marathon

Our Verdict

adidas Adizero Boston 12

adidas Adizero Evo SL

The adidas Adizero Boston 12 and the adidas Adizero Evo SL are two versatile options from the German giant, but despite the Boston 12 being named after a major marathon, you're probably better off racing one in the Evo SL. This is thanks to the Evo SL's superior cushioning, lighter build, and more responsive midsole. The Boston, however, remains the better choice if you highly value stability and prefer its full-length ENERGYRODS.

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Variants

  • Adizero Boston 12 (Black/White/Carbon - (Men - US 9))
  • Adizero Boston 12 (Black/Zero Metallic/Spark - (Men - US 9))
  • Adizero Evo SL (Carbon/Lucid Red/Solar Slime - (Men - US 9))
  • Adizero Evo SL (Cloud White/Core Black/Cloud White - (Men - US 9))
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

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0.0
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Plate 
 

Locked
Locked

Full Comparison

Design

Weight  

N/A
N/A

Right Shoe Weight Photo  

adidas Adizero Boston 12 Right Shoe Weight Photo Sample

SAMPLE

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adidas Adizero Evo SL Right Shoe Weight Photo Sample

SAMPLE

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Left Shoe Weight Photo  

adidas Adizero Boston 12 Left Shoe Weight Photo Sample

SAMPLE

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adidas Adizero Evo SL Left Shoe Weight Photo Sample

SAMPLE

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Weight 
 

Lock g (Lock oz)
Lock g (Lock oz)
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Stack Heights 
 

Stack Height Photo  

adidas Adizero Boston 12 Stack Height Photo Sample

SAMPLE

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adidas Adizero Evo SL Stack Height Photo Sample

SAMPLE

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Heel Stack Height 
 

Lock mm
Lock mm

Forefoot Stack Height 
 

Lock mm
Lock mm

Heel-To-Toe Drop 
 

Lock mm
Lock mm

Advertised Heel-To-Toe Drop 
 

Lock mm
Lock mm
Show Text 

External Shape 
 

3D Model Full Shoe  

adidas Adizero Boston 12 3D Model Full Shoe Sample

SAMPLE

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adidas Adizero Evo SL 3D Model Full Shoe Sample

SAMPLE

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Outsole Heel Width 
 

Lock mm (Lock")
Lock mm (Lock")

Outsole Arch Width 
 

Lock mm (Lock")
Lock mm (Lock")

Outsole Forefoot Width 
 

Lock mm (Lock")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

Lock
Lock

Forefoot Width-To-Stack Ratio 
 

Lock
Lock

Internal Shape 
 

3D Model Internal  

adidas Adizero Boston 12 3D Model Internal Sample

SAMPLE

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adidas Adizero Evo SL 3D Model Internal Sample

SAMPLE

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Internal Length 
 

Lock mm (Lock")
Lock mm (Lock")

Internal Heel Width 
 

Lock mm (Lock")
Lock mm (Lock")

Internal Forefoot Width 
 

Lock mm (Lock")
Lock mm (Lock")

Wide Sizing Available 
 

Locked
Locked

Forefoot Fit: Width 
 

N/A
N/A

Forefoot Width Photo  

adidas Adizero Boston 12 Forefoot Width Photo Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Width Photo Sample

SAMPLE

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Ball-Of-Foot TTS Deviation 
 

Lock mm (Lock")

Toe TTS Deviation 
 

Lock mm (Lock")

Forefoot Fit: Height 
 

N/A
N/A

Forefoot Height Photo  

adidas Adizero Boston 12 Forefoot Height Photo Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Height Photo Sample

SAMPLE

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Toe TTS Deviation 
 

Lock mm (Lock")

Arch Fit: Width 
 

N/A
N/A

Arch Fit Photo  

adidas Adizero Boston 12 Arch Fit Photo Sample

SAMPLE

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adidas Adizero Evo SL Arch Fit Photo Sample

SAMPLE

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Arch Width TTS Deviation 
 

Lock mm (Lock")

Length Fit 
 

N/A
N/A

Toe Clearance Photo  

adidas Adizero Boston 12 Toe Clearance Photo Sample

SAMPLE

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adidas Adizero Evo SL Toe Clearance Photo Sample

SAMPLE

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Other Features  

Other Features Photo  

adidas Adizero Boston 12 Other Features Photo Sample

SAMPLE

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adidas Adizero Evo SL Other Features Photo Sample

SAMPLE

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Tongue Gusset Type 
 

Locked
Locked

Plate 
 

Locked
Locked
Show Text 
Performance

Heel Energy Return 
 

N/A
N/A

Heel Compression Video  

adidas Adizero Boston 12 Heel Compression Video Sample

SAMPLE

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adidas Adizero Evo SL Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

adidas Adizero Boston 12 Heel Energy Return Sample

SAMPLE

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adidas Adizero Evo SL Heel Energy Return Sample

SAMPLE

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Heel Energy Return 
 

Lock%
Lock%
Show Text 

Forefoot Energy Return 
 

N/A
N/A

Forefoot Compression Video  

adidas Adizero Boston 12 Forefoot Compression Video Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

adidas Adizero Boston 12 Forefoot Energy Return Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Energy Return Sample

SAMPLE

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Forefoot Energy Return 
 

Lock%
Lock%
Show Text 

Heel Cushioning 
 

N/A
N/A

Heel Cushioning Picture  

adidas Adizero Boston 12 Heel Cushioning Picture Sample

SAMPLE

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adidas Adizero Evo SL Heel Cushioning Picture Sample

SAMPLE

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Heel Cushioning  

adidas Adizero Boston 12 Heel Cushioning Sample

SAMPLE

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adidas Adizero Evo SL Heel Cushioning Sample

SAMPLE

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Energy Absorbed At 550N 
 

Lock J
Lock J

Energy Absorbed At 1100N 
 

Lock J
Lock J

Energy Absorbed At 1900N 
 

Lock J
Lock J
Show Text 

Forefoot Cushioning 
 

N/A
N/A

Forefoot Cushioning Picture  

adidas Adizero Boston 12 Forefoot Cushioning Picture Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Cushioning Picture Sample

SAMPLE

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for pictures & test results

Forefoot Cushioning  

adidas Adizero Boston 12 Forefoot Cushioning Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Cushioning Sample

SAMPLE

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Energy Absorbed At 800N 
 

Lock J
Lock J

Energy Absorbed At 1300N 
 

Lock J
Lock J

Energy Absorbed At 2050N 
 

Lock J
Lock J
Show Text 

Heel Firmness 
 

N/A
N/A

Heel Firmness  

adidas Adizero Boston 12 Heel Firmness Sample

SAMPLE

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adidas Adizero Evo SL Heel Firmness Sample

SAMPLE

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Firmness At 550N 
 

Lock N/mm
Lock N/mm

Firmness At 1100N 
 

Lock N/mm
Lock N/mm

Firmness At 1900N 
 

Lock N/mm
Lock N/mm
Show Text 

Forefoot Firmness 
 

N/A
N/A

Forefoot Firmness  

adidas Adizero Boston 12 Forefoot Firmness Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Firmness Sample

SAMPLE

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Firmness At 800N 
 

Lock N/mm
Lock N/mm

Firmness At 1300N 
 

Lock N/mm
Lock N/mm

Firmness At 2050N 
 

Lock N/mm
Lock N/mm
Show Text 

Forefoot Long Run Cushioning 
 

N/A
N/A

Forefoot Long Run Cushioning  

adidas Adizero Boston 12 Forefoot Long Run Cushioning Sample

SAMPLE

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adidas Adizero Evo SL Forefoot Long Run Cushioning Sample

SAMPLE

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Energy Absorbed At 10km 
 

Lock J

Energy Absorbed At 20km 
 

Lock J

Energy Absorbed At 30km 
 

Lock J

Energy Absorbed At 40km 
 

Lock J
Show Text 

adidas Adizero Boston 12

adidas Adizero Evo SL

Comments

  1. Comparison

adidas Adizero Boston 12 vs adidas Adizero Evo SL: Main Discussion

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