On Cloudmonster 2 vs Cloudsurfer Max

Which Running Shoe Is Better?

Products

On Cloudmonster 2
On Cloudsurfer Max 
early access

Tested using Methodology v0.8.2

Updated Oct 22, 2025 07:54 PM

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Amazon.com

Tested using Methodology v0.9

Updated Oct 29, 2025 05:19 PM

This review is in Early access

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Amazon.com

Our Verdict

On Cloudmonster 2

On Cloudsurfer Max

Full comparison details regarding individual product score sets can be found in the section below
0 

Variants

  • Cloudmonster 2 (Asphalt/Iron - (Women - US 7))
  • Cloudmonster 2 (Asphalt/Iron - (Men - US 9))
  • Cloudmonster 2 (Asphalt/Lima - (Women - US 7))
  • Cloudmonster 2 (Asphalt/Lima - (Men - US 9))
  • Cloudmonster 2 (Black/Black - (Men - US 9))
  • Cloudmonster 2 (Black/Eclipse - (Women - US 7))
  • Cloudmonster 2 (Black/Frost - (Women - US 7))
  • Cloudmonster 2 (Cream/Horizon - (Women - US 7))
  • Cloudmonster 2 (Cream/Ice - (Women - US 7))
  • Cloudmonster 2 (Cream/Ice - (Men - US 9))
  • Cloudmonster 2 (Ivory/Red - (Women - US 7))
  • Cloudmonster 2 (Ivory/Silver - (Men - US 9))
  • Cloudmonster 2 (Mineral/Aloe - (Women - US 7))
  • Cloudmonster 2 (Tempest/Horizon - (Men - US 9))
  • Cloudmonster 2 (White/Flame - (Women - US 7))
  • Cloudmonster 2 (White/Flame - (Men - US 9))
  • Cloudmonster 2 (White/Frost - (Women - US 7))
  • Cloudsurfer Max (Black/Eclipse - (Men - US 9))
  • Cloudsurfer Max (Black/Eclipse - (Women - US 7))
  • Cloudsurfer Max (Ivory/Honeydew - (Men - US 9))
  • Cloudsurfer Max (Ivory/Salmon - (Men - US 9))
  • Cloudsurfer Max (Ivory/Salmon - (Women - US 7))
  • Cloudsurfer Max (Mineral/Honeydew - (Women - US 7))
  • Cloudsurfer Max (White/White - (Men - US 9))
  • Cloudsurfer Max (White/White - (Women - US 7))
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

5.9
0.0

Plate 
 

Plastic
Locked

Full Comparison

Design

Weight  

4.6
N/A

Right Shoe Weight Photo 
 

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On Cloudmonster 2 Right Shoe Weight Photo
On Cloudsurfer Max Right Shoe Weight Photo Sample

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Left Shoe Weight Photo 
 

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On Cloudmonster 2 Left Shoe Weight Photo
On Cloudsurfer Max Left Shoe Weight Photo Sample

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Weight 
 

295.8 g (10.43 oz)
Lock g (Lock oz)
Show Text 

Stack Heights 
 

Stack Height Photo 
 

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On Cloudmonster 2 Stack Height Photo
On Cloudsurfer Max Stack Height Photo Sample

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Heel Stack Height 
 

40.5 mm
Lock mm

Forefoot Stack Height 
 

33.0 mm
Lock mm

Heel-To-Toe Drop 
 

7.5 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

6.0 mm
N/A

External Shape 
 

3D Model Full Shoe  

On Cloudmonster 2 3D Model Full Shoe
On Cloudsurfer Max 3D Model Full Shoe Sample

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Outsole Heel Width 
 

84 mm (3.3")
Lock mm (Lock")

Outsole Arch Width 
 

78 mm (3.1")
Lock mm (Lock")

Outsole Forefoot Width 
 

113 mm (4.5")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

2.07
Lock

Forefoot Width-To-Stack Ratio 
 

3.42
Lock
Show Text 

Internal Shape 
 

3D Model Internal  

On Cloudmonster 2 3D Model Internal
On Cloudsurfer Max 3D Model Internal Sample

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Internal Length 
 

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

Internal Heel Width 
 

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

Internal Forefoot Width 
 

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

Wide Sizing Available 
 

No
Locked

Other Features  

Other Features Photo 
 

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On Cloudmonster 2 Other Features Photo
On Cloudsurfer Max Other Features Photo Sample

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Tongue Gusset Type 
 

Fully-gusseted
Locked

Plate 
 

Plastic
Locked
Performance

Heel Energy Return 
 

1.5
N/A

Heel Compression Video  

On Cloudsurfer Max Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

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On Cloudsurfer Max Heel Energy Return Sample

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Heel Energy Return 
 

66.5%
Lock%
Show Text 

Forefoot Energy Return 
 

2.2
N/A

Forefoot Compression Video  

On Cloudsurfer Max Forefoot Compression Video Sample

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Forefoot Energy Return  

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On Cloudsurfer Max Forefoot Energy Return Sample

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Forefoot Energy Return 
 

68.3%
Lock%
Show Text 

Heel Cushioning 
 

7.2
N/A

Heel Cushioning Picture 
 

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On Cloudmonster 2 Heel Cushioning Picture
On Cloudsurfer Max Heel Cushioning Picture Sample

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Heel Cushioning  

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On Cloudsurfer Max Heel Cushioning Sample

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Energy Absorbed At 550N 
 

3.37 J
Lock J

Energy Absorbed At 1100N 
 

9.11 J
Lock J

Energy Absorbed At 1900N 
 

14.60 J
Lock J
Show Text 

Forefoot Cushioning 
 

7.3
N/A

Forefoot Cushioning Picture 
 

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On Cloudmonster 2 Forefoot Cushioning Picture
On Cloudsurfer Max Forefoot Cushioning Picture Sample

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Forefoot Cushioning  

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On Cloudsurfer Max Forefoot Cushioning Sample

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Energy Absorbed At 800N 
 

4.20 J
Lock J

Energy Absorbed At 1300N 
 

7.85 J
Lock J

Energy Absorbed At 2050N 
 

11.81 J
Lock J
Show Text 

Heel Firmness 
 

5.8
N/A

Heel Firmness  

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On Cloudsurfer Max Heel Firmness Sample

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Firmness At 550N 
 

48.9 N/mm
Lock N/mm

Firmness At 1100N 
 

130.8 N/mm
Lock N/mm

Firmness At 1900N 
 

271.6 N/mm
Lock N/mm
Show Text 

Forefoot Firmness 
 

7.8
N/A

Forefoot Firmness  

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On Cloudsurfer Max Forefoot Firmness Sample

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Firmness At 800N 
 

100.9 N/mm
Lock N/mm

Firmness At 1300N 
 

207.5 N/mm
Lock N/mm

Firmness At 2050N 
 

379.0 N/mm
Lock N/mm
Show Text 

Forefoot Long Run Cushioning 
 

N/A

Forefoot Long Run Cushioning  

On Cloudsurfer Max 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

On Cloudmonster 2

On Cloudsurfer Max

Comments

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On Cloudmonster 2 vs On Cloudsurfer Max: Main Discussion

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