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Nike Downshifter 14 vs adidas Adizero Pacer

Which Running Shoe Is Better?

    Top
    Main Differences
    Design
      WeightStack HeightsExternal ShapeInternal ShapeForefoot Fit: WidthForefoot Fit: HeightArch Fit: WidthLength FitHeel Rocker GeometryForefoot Rocker GeometryFoamLacesOther Features
    Performance
      Heel Compression Energy ReturnForefoot Compression Energy ReturnHeel CushioningForefoot CushioningHeel FirmnessForefoot FirmnessForefoot Long Run CushioningRocker StiffnessForefoot Bending Energy ReturnForefoot Bending Stiffness
    Comments

Products

Nike Downshifter 14
adidas Adizero Pacer 
early access

Tested using Methodology v0.10

Updated Jul 02, 2026 02:17 PM

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Tested using Methodology v0.14

Updated Jul 10, 2026 01:31 PM

This review is in Early access

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Nike Downshifter 14 Picture

Track

adidas Adizero Pacer Picture

Track

Weight
303.5 g (10.71 oz)
Heel-To-Toe Drop
11.4 mm
Plate
None
Weight
255.0 g (8.99 oz)
Heel-To-Toe Drop
6.5 mm
Plate
None

Our Verdict

Nike Downshifter 14

adidas Adizero Pacer

Full comparison details regarding individual product score sets can be found in the section below

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Variants

  • Downshifter 14 (Black/Black/Anthracite - (Men - US 9))
  • Downshifter 14 (Black/Black/Anthracite - (Women - US 7))
  • Adizero Pacer (Black/White/Carbon - (Men - US 9))
  • Adizero Pacer (Alumina/Arctic Fusion/White - (Men - US 9))

Review

See Nike Downshifter 14 Review
See adidas Adizero Pacer Review
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Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

3.6
0.0

Plate 
 

None
Locked

Full Comparison

Design

Weight  

4.2
N/A

Right Shoe Weight Photo  

Nike Downshifter 14 Right Shoe Weight Photo
adidas Adizero Pacer Right Shoe Weight Photo Sample

SAMPLE

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Left Shoe Weight Photo  

Nike Downshifter 14 Left Shoe Weight Photo
adidas Adizero Pacer Left Shoe Weight Photo Sample

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Weight 
 

303.5 g (10.71 oz)
Lock g (Lock oz)

Stack Heights 
 

Stack Height Photo  

Nike Downshifter 14 Stack Height Photo
adidas Adizero Pacer Stack Height Photo Sample

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Heel Stack Height 
 

33.9 mm
Lock mm

Forefoot Stack Height 
 

22.5 mm
Lock mm

Heel-To-Toe Drop 
 

11.4 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

10.0 mm
Lock mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
Nike Downshifter 14 3D Model Full Shoe
adidas Adizero Pacer 3D Model Full Shoe Sample

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Outsole Heel Width 
 

92 mm (3.6")
Lock mm (Lock")

Outsole Arch Width 
 

58 mm (2.3")
Lock mm (Lock")

Outsole Forefoot Width 
 

113 mm (4.4")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

2.71
Lock

Forefoot Width-To-Stack Ratio 
 

5.02
Lock

Internal Shape 
 

3D Model Internal  

Preview 3D
Nike Downshifter 14 3D Model Internal
adidas Adizero Pacer 3D Model Internal Sample

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Internal Length 
 

275 mm (10.8")
Lock mm (Lock")

Internal Heel Width 
 

63 mm (2.5")
Lock mm (Lock")

Internal Forefoot Width 
 

93 mm (3.7")
Lock mm (Lock")

Wide Sizing Available 
 

No
Locked

Forefoot Fit: Width 
 

8.7
N/A

Forefoot Width Photo  

Nike Downshifter 14 Forefoot Width Photo
adidas Adizero Pacer Forefoot Width Photo Sample

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Ball-Of-Foot TTS Deviation 
 

0.3 mm (0.013")
Lock mm (Lock")

Toe TTS Deviation 
 

-5.0 mm (-0.197")
Lock mm (Lock")

Forefoot Fit: Height 
 

6.5
N/A

Forefoot Height Photo  

Nike Downshifter 14 Forefoot Height Photo
adidas Adizero Pacer Forefoot Height Photo Sample

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Toe TTS Deviation 
 

-4.2 mm (-0.166")
Lock mm (Lock")

Arch Fit: Width 
 

2.3
N/A

Arch Fit Photo  

Nike Downshifter 14 Arch Fit Photo
adidas Adizero Pacer Arch Fit Photo Sample

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Arch Width TTS Deviation 
 

-9.1 mm (-0.359")
Lock mm (Lock")

Length Fit 
 

10
N/A

Toe Clearance Photo  

Nike Downshifter 14 Toe Clearance Photo
adidas Adizero Pacer Toe Clearance Photo Sample

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Heel Rocker Geometry 
 

N/A

Heel Rocker Photo  

adidas Adizero Pacer Heel Rocker Photo Sample

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Heel Spring 
 

Lock mm (Lock")

Heel Apex Position 
 

Lock%

Heel Rocker Angle 
 

Lock°

Forefoot Rocker Geometry 
 

N/A

Forefoot Rocker Photo  

adidas Adizero Pacer Forefoot Rocker Photo Sample

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Toe Spring 
 

Lock mm (Lock")

Toe Apex Position 
 

Lock%

Forefoot Rocker Angle 
 

Lock°

Foam 
 

Primary Foam Picture  

adidas Adizero Pacer Primary Foam Picture Sample

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Secondary Foam Picture  

adidas Adizero Pacer Secondary Foam Picture Sample

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Primary Foam Name 
 

Locked

Primary Foam Type 
 

Locked

Secondary Foam Name 
 

N/A

Secondary Foam Type 
 

N/A

Laces 
 

Laces Picture  

adidas Adizero Pacer Laces Picture Sample

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Lace Type 
 

Locked

Width 
 

Lock mm (Lock")

Thickness 
 

Lock mm (Lock")

Stretch 
 

Lock%

Other Features  

Other Features Photo  

Nike Downshifter 14 Other Features Photo
adidas Adizero Pacer Other Features Photo Sample

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Tongue Gusset Type 
 

Fully-gusseted
Locked

Plate 
 

None
Locked
Performance

Heel Compression Energy Return 
 

0.9
N/A

Heel Compression Video  

adidas Adizero Pacer Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

 Preview Graph
Nike Downshifter 14 Heel Energy Return
adidas Adizero Pacer Heel Energy Return Sample

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Heel Energy Return 
 

64.1%
Lock%

Forefoot Compression Energy Return 
 

2.4
N/A

Forefoot Compression Video  

adidas Adizero Pacer Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

 Preview Graph
Nike Downshifter 14 Forefoot Energy Return
adidas Adizero Pacer Forefoot Energy Return Sample

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Forefoot Energy Return 
 

68.6%
Lock%

Heel Cushioning 
 

5.7
N/A

Heel Cushioning Picture  

Nike Downshifter 14 Heel Cushioning Picture
adidas Adizero Pacer Heel Cushioning Picture Sample

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Heel Cushioning  

 Preview Graph
Nike Downshifter 14 Heel Cushioning
adidas Adizero Pacer Heel Cushioning Sample

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Energy Absorbed At 550N 
 

2.76 J
Lock J

Energy Absorbed At 1100N 
 

7.33 J
Lock J

Energy Absorbed At 1900N 
 

12.58 J
Lock J

Forefoot Cushioning 
 

4.4
N/A

Forefoot Cushioning Picture  

Nike Downshifter 14 Forefoot Cushioning Picture
adidas Adizero Pacer Forefoot Cushioning Picture Sample

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Forefoot Cushioning  

 Preview Graph
Nike Downshifter 14 Forefoot Cushioning
adidas Adizero Pacer Forefoot Cushioning Sample

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Energy Absorbed At 800N 
 

3.05 J
Lock J

Energy Absorbed At 1300N 
 

4.81 J
Lock J

Energy Absorbed At 2050N 
 

6.79 J
Lock J

Heel Firmness 
 

6.8
N/A

Heel Firmness  

 Preview Graph
Nike Downshifter 14 Heel Firmness
adidas Adizero Pacer Heel Firmness Sample

SAMPLE

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Heel Firmness Graph  

adidas Adizero Pacer Heel Firmness Graph Sample

SAMPLE

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Firmness At 550N 
 

64.8 N/mm
Lock N/mm

Firmness At 1100N 
 

141.7 N/mm
Lock N/mm

Firmness At 1900N 
 

286.5 N/mm
Lock N/mm

Forefoot Firmness 
 

9.6
N/A

Forefoot Firmness  

 Preview Graph
Nike Downshifter 14 Forefoot Firmness
adidas Adizero Pacer Forefoot Firmness Sample

SAMPLE

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Forefoot Firmness Graph  

adidas Adizero Pacer Forefoot Firmness Graph Sample

SAMPLE

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Firmness At 800N 
 

193.8 N/mm
Lock N/mm

Firmness At 1300N 
 

432.1 N/mm
Lock N/mm

Firmness At 2050N 
 

733.5 N/mm
Lock N/mm

Forefoot Long Run Cushioning 
 

4.2
N/A

Forefoot Long Run Cushioning  

 Preview Graph
Nike Downshifter 14 Forefoot Long Run Cushioning
adidas Adizero Pacer Forefoot Long Run Cushioning Sample

SAMPLE

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Energy Absorbed At 10km 
 

4.69 J
Lock J

Energy Absorbed At 20km 
 

4.60 J
Lock J

Energy Absorbed At 30km 
 

4.54 J
Lock J

Energy Absorbed At 40km 
 

4.50 J
Lock J

Rocker Stiffness 
 

N/A

Forefoot Rocker Stiffness Video  

adidas Adizero Pacer Forefoot Rocker Stiffness Video Sample

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Forefoot Rocker Stiffness Graph  

adidas Adizero Pacer Forefoot Rocker Stiffness Graph Sample

SAMPLE

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Force To Flatten The Rocker 
 

Lock N

Forefoot Bending Energy Return 
 

N/A

Forefoot Bending Video  

adidas Adizero Pacer Forefoot Bending Video Sample

SAMPLE

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Forefoot Bending Energy Return  

adidas Adizero Pacer Forefoot Bending Energy Return Sample

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Forefoot Bending Energy Return 
 

Lock%

Forefoot Bending Stiffness 
 

N/A

Forefoot Bending Resistance Picture  

adidas Adizero Pacer Forefoot Bending Resistance Picture Sample

SAMPLE

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Forefoot Bending Resistance  

adidas Adizero Pacer Forefoot Bending Resistance Sample

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Forefoot Bending Stiffness 
 

Lock N/mm

Forefoot Bending Force 
 

Lock N

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Nike Downshifter 14

adidas Adizero Pacer

Comments

  1. Comparison
 • Posted 9 hours ago

Nike Downshifter 14 vs adidas Adizero Pacer: Main Discussion

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