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On Cloudrunner 2 vs Nike Structure 26

Which Running Shoe Is Better?

    Top
    Main Differences
    Design
      WeightStack HeightsExternal ShapeInternal ShapeOther Features
    Performance
      Heel Energy ReturnForefoot Energy ReturnHeel CushioningForefoot CushioningHeel FirmnessForefoot FirmnessForefoot Long Run Cushioning
    Comments

Products

On Cloudrunner 2 
early access
Nike Structure 26

Tested using Methodology v0.9

Updated Jan 14, 2026 04:16 PM

This review is in Early access

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Tested using Methodology v0.9

Updated Dec 18, 2025 09:25 PM

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On Cloudrunner 2 Picture
Nike Structure 26 Picture
Weight
Lock g (Lock oz)
Heel-To-Toe Drop
Lock mm
Plate
Locked
Weight
293.9 g (10.37 oz)
Heel-To-Toe Drop
8.5 mm
Plate
None

Our Verdict

On Cloudrunner 2

Nike Structure 26

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

  • Cloudrunner 2 (Eclipse/Black - (Men - US 9))
  • Cloudrunner 2 (Eclipse/Black - (Women - US 7))
  • Cloudrunner 2 (Frost/White - (Men - US 9))
  • Cloudrunner 2 (Frost/White - (Women - US 7))
  • Cloudrunner 2 (Glacier/Sage - (Men - US 9))
  • Cloudrunner 2 (Lilac/Ivory - (Women - US 7))
  • Cloudrunner 2 (Nimbus/Blueberry - (Women - US 7))
  • Cloudrunner 2 (Pearl/Tangerine - (Women - US 7))
  • Cloudrunner 2 (Shadow/Lima - (Women - US 7))
  • Cloudrunner 2 (Undyed/Green - (Men - US 9))
  • Cloudrunner 2 (Undyed/Green - (Women - US 7))
  • Cloudrunner 2 (Undyed/Sand - (Men - US 9))
  • Cloudrunner 2 (Undyed/Sand - (Women - US 7))
  • Cloudrunner 2 (White/Horizon - (Women - US 7))
  • Cloudrunner 2 (White/Sand - (Women - US 7))
  • Structure 26 (Black/Cool Grey/Metallic Silver/White - (Men - US 9))
  • Structure 26 (Black/Iron Grey/Black - (Men - US 9))
  • Structure 26 (Black/White/Cool Grey/Metallic Silver - (Women - US 7))
  • Structure 26 (Hyper Pink/Black/Pink Spell/White - (Women - US 7))
  • Structure 26 (Particle Pink/Metallic Rose Gold/Taupe Grey/Silt Red - (Women - US 7))
  • Structure 26 (Summit White/Vast Grey/College Grey/Black - (Men - US 9))
  • Structure 26 (White/Black/Barely Green/Mint Foam/Cannon - (Women - US 7))
  • Structure 26 (White/Black/Pure Platinum - (Women - US 7))
  • Structure 26 (White/Bright Crimson/Photon Dust/Black - (Men - US 9))
  • Structure 26 (White/Pure Platinum/Barely Volt/Black - (Men - US 9))

Review

See On Cloudrunner 2 Review
See Nike Structure 26 Review
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

0.0
5.7
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Full Comparison

Design

Weight  

N/A
4.6

Right Shoe Weight Photo 
 

On Cloudrunner 2 Right Shoe Weight Photo Sample

SAMPLE

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Nike Structure 26 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

On Cloudrunner 2 Left Shoe Weight Photo Sample

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Nike Structure 26 Left Shoe Weight Photo

Weight 
 

Lock g (Lock oz)
293.9 g (10.37 oz)
Show Text 

Stack Heights 
 

Stack Height Photo 
 

On Cloudrunner 2 Stack Height Photo Sample

SAMPLE

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Nike Structure 26 Stack Height Photo

Heel Stack Height 
 

Lock mm
37.9 mm

Forefoot Stack Height 
 

Lock mm
29.4 mm

Heel-To-Toe Drop 
 

Lock mm
8.5 mm

Advertised Heel-To-Toe Drop 
 

Lock mm
10.0 mm
Show Text 

External Shape 
 

3D Model Full Shoe  

On Cloudrunner 2 3D Model Full Shoe Sample

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Preview 3D
Nike Structure 26 3D Model Full Shoe

Outsole Heel Width 
 

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

Outsole Arch Width 
 

Lock mm (Lock")
81 mm (3.2")

Outsole Forefoot Width 
 

Lock mm (Lock")
114 mm (4.5")

Heel Width-To-Stack Ratio 
 

Lock
2.46

Forefoot Width-To-Stack Ratio 
 

Lock
3.88

Internal Shape 
 

3D Model Internal  

On Cloudrunner 2 3D Model Internal Sample

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Nike Structure 26 3D Model Internal

Internal Length 
 

Lock mm (Lock")
277 mm (10.9")

Internal Heel Width 
 

Lock mm (Lock")
66 mm (2.6")

Internal Forefoot Width 
 

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

Wide Sizing Available 
 

Locked
Yes

Other Features  

Other Features Photo 
 

On Cloudrunner 2 Other Features Photo Sample

SAMPLE

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Nike Structure 26 Other Features Photo

Tongue Gusset Type 
 

Locked
Semi-gusseted

Plate 
 

Locked
None
Performance

Heel Energy Return 
 

N/A
2.9

Heel Compression Video  

On Cloudrunner 2 Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

On Cloudrunner 2 Heel Energy Return Sample

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 Preview Graph
Nike Structure 26 Heel Energy Return

Heel Energy Return 
 

Lock%
69.3%
Show Text 

Forefoot Energy Return 
 

N/A
3.5

Forefoot Compression Video  

On Cloudrunner 2 Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

On Cloudrunner 2 Forefoot Energy Return Sample

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 Preview Graph
Nike Structure 26 Forefoot Energy Return

Forefoot Energy Return 
 

Lock%
70.1%
Show Text 

Heel Cushioning 
 

N/A
6.9

Heel Cushioning Picture 
 

On Cloudrunner 2 Heel Cushioning Picture Sample

SAMPLE

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Nike Structure 26 Heel Cushioning Picture

Heel Cushioning  

On Cloudrunner 2 Heel Cushioning Sample

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 Preview Graph
Nike Structure 26 Heel Cushioning

Energy Absorbed At 550N 
 

Lock J
2.89 J

Energy Absorbed At 1100N 
 

Lock J
8.48 J

Energy Absorbed At 1900N 
 

Lock J
15.38 J
Show Text 

Forefoot Cushioning 
 

N/A
5.5

Forefoot Cushioning Picture 
 

On Cloudrunner 2 Forefoot Cushioning Picture Sample

SAMPLE

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Nike Structure 26 Forefoot Cushioning Picture

Forefoot Cushioning  

On Cloudrunner 2 Forefoot Cushioning Sample

SAMPLE

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 Preview Graph
Nike Structure 26 Forefoot Cushioning

Energy Absorbed At 800N 
 

Lock J
3.33 J

Energy Absorbed At 1300N 
 

Lock J
5.78 J

Energy Absorbed At 2050N 
 

Lock J
8.98 J
Show Text 

Heel Firmness 
 

N/A
5.9

Heel Firmness  

On Cloudrunner 2 Heel Firmness Sample

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 Preview Graph
Nike Structure 26 Heel Firmness

Firmness At 550N 
 

Lock N/mm
61.9 N/mm

Firmness At 1100N 
 

Lock N/mm
109.8 N/mm

Firmness At 1900N 
 

Lock N/mm
226.5 N/mm
Show Text 

Forefoot Firmness 
 

N/A
8.9

Forefoot Firmness  

On Cloudrunner 2 Forefoot Firmness Sample

SAMPLE

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 Preview Graph
Nike Structure 26 Forefoot Firmness

Firmness At 800N 
 

Lock N/mm
152.0 N/mm

Firmness At 1300N 
 

Lock N/mm
287.6 N/mm

Firmness At 2050N 
 

Lock N/mm
462.1 N/mm
Show Text 

Forefoot Long Run Cushioning 
 

N/A
4.8

Forefoot Long Run Cushioning  

On Cloudrunner 2 Forefoot Long Run Cushioning Sample

SAMPLE

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 Preview Graph
Nike Structure 26 Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

Lock J
5.35 J

Energy Absorbed At 20km 
 

Lock J
5.21 J

Energy Absorbed At 30km 
 

Lock J
5.12 J

Energy Absorbed At 40km 
 

Lock J
5.07 J

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On Cloudrunner 2

Nike Structure 26

Comments

  1. Comparison
 • Posted 4 months ago

On Cloudrunner 2 vs Nike Structure 26: Main Discussion

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