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On Cloudmonster 2 vs Cloudmonster 3

Which Running Shoe Is Better?

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

Products

On Cloudmonster 2
On Cloudmonster 3

Tested using Methodology v0.11

Updated Jun 09, 2026 12:11 PM

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Tested using Methodology v0.10

Updated May 19, 2026 06:55 PM

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On Cloudmonster 2 Picture

Track

On Cloudmonster 3 Picture

Track

Weight
295.8 g (10.43 oz)
Heel-To-Toe Drop
7.5 mm
Plate
Plastic
Weight
296.6 g (10.46 oz)
Heel-To-Toe Drop
7.3 mm
Plate
Plastic
  1. Recommended in 1 article:
  2. On
  1. Recommended in 1 article:
  2. On

Our Verdict

On Cloudmonster 2

On Cloudmonster 3

The On Cloudmonster 3 has several notable updates that set it apart from the On Cloudmonster 2. The upper of the third version has been reworked, and now has a bit more structure, so the fit is more snug and less baggy than the 2nd version. Underfoot, the two shoes have a similar configuration, with a plastic 'Speedboard' and pockmarked Helion foam, but the 3rd version is less firm and absorbs impact better.

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Variants

  • Cloudmonster 2 (Asphalt/Iron - (Women - US 7))
  • Cloudmonster 2 (Asphalt/Iron - (Men - US 9))
  • Cloudmonster 3 (Black/Black - (Men - US 9))
  • Cloudmonster 3 (Black/Black - (Women - US 7))

Review

See On Cloudmonster 2 Review
See On Cloudmonster 3 Review
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

5.9
5.8

Forefoot Compression Energy Return 
 

2.2
1.6

Full Comparison

Design

Weight  

4.6
4.5

Right Shoe Weight Photo 
 

Compare High-Res
On Cloudmonster 2 Right Shoe Weight Photo
Compare High-Res
On Cloudmonster 3 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
On Cloudmonster 2 Left Shoe Weight Photo
Compare High-Res
On Cloudmonster 3 Left Shoe Weight Photo

Weight 
 

295.8 g (10.43 oz)
296.6 g (10.46 oz)

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
On Cloudmonster 2 Stack Height Photo
Compare High-Res
On Cloudmonster 3 Stack Height Photo

Heel Stack Height 
 

40.5 mm
40.1 mm

Forefoot Stack Height 
 

33.0 mm
32.8 mm

Heel-To-Toe Drop 
 

7.5 mm
7.3 mm

Advertised Heel-To-Toe Drop 
 

6.0 mm
6.0 mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
On Cloudmonster 2 3D Model Full Shoe
Preview 3D
On Cloudmonster 3 3D Model Full Shoe

Outsole Heel Width 
 

84 mm (3.3")
89 mm (3.5")

Outsole Arch Width 
 

78 mm (3.1")
81 mm (3.2")

Outsole Forefoot Width 
 

113 mm (4.5")
115 mm (4.5")

Heel Width-To-Stack Ratio 
 

2.07
2.22

Forefoot Width-To-Stack Ratio 
 

3.42
3.50

Internal Shape 
 

3D Model Internal  

Preview 3D
On Cloudmonster 2 3D Model Internal
Preview 3D
On Cloudmonster 3 3D Model Internal

Internal Length 
 

277 mm (10.9")
279 mm (11.0")

Internal Heel Width 
 

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

Internal Forefoot Width 
 

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

Wide Sizing Available 
 

No
No

Forefoot Fit: Width 
 

8.8
9.7

Forefoot Width Photo 
 

Compare High-Res
On Cloudmonster 2 Forefoot Width Photo
Compare High-Res
On Cloudmonster 3 Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

5.1 mm (0.200")
1.9 mm (0.076")

Toe TTS Deviation 
 

0.0 mm (-0.001")
1.0 mm (0.037")

Forefoot Fit: Height 
 

6.7
5.4

Forefoot Height Photo 
 

Compare High-Res
On Cloudmonster 2 Forefoot Height Photo
Compare High-Res
On Cloudmonster 3 Forefoot Height Photo

Toe TTS Deviation 
 

-3.9 mm (-0.154")
-5.4 mm (-0.213")

Arch Fit: Width 
 

9.7
10

Arch Fit Photo 
 

Compare High-Res
On Cloudmonster 2 Arch Fit Photo
Compare High-Res
On Cloudmonster 3 Arch Fit Photo

Arch Width TTS Deviation 
 

2.8 mm (0.111")
0.2 mm (0.009")

Length Fit 
 

10
10

Toe Clearance Photo 
 

Compare High-Res
On Cloudmonster 2 Toe Clearance Photo
Compare High-Res
On Cloudmonster 3 Toe Clearance Photo

Heel Rocker Geometry 
 

6.7

Heel Rocker Photo  

On Cloudmonster 2 Heel Rocker Photo

Heel Spring 
 

17 mm (0.7")

Heel Apex Position 
 

15.4%

Heel Rocker Angle 
 

20.7°

Forefoot Rocker Geometry 
 

7.1

Forefoot Rocker Photo  

On Cloudmonster 2 Forefoot Rocker Photo

Toe Spring 
 

49 mm (1.9")

Toe Apex Position 
 

65.9%

Forefoot Rocker Angle 
 

26.1°

Other Features  

Other Features Photo 
 

Compare High-Res
On Cloudmonster 2 Other Features Photo
Compare High-Res
On Cloudmonster 3 Other Features Photo

Tongue Gusset Type 
 

Fully-gusseted
Fully-gusseted

Plate 
 

Plastic
Plastic
Performance

Heel Compression Energy Return 
 

1.5
0.9

Heel Compression Video  

Heel Energy Return  

 Preview Graph
On Cloudmonster 2 Heel Energy Return
 Preview Graph
On Cloudmonster 3 Heel Energy Return
 Compare in Graph Tool

Heel Energy Return 
 

66.5%
64.2%

Forefoot Compression Energy Return 
 

2.2
1.6

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
On Cloudmonster 2 Forefoot Energy Return
 Preview Graph
On Cloudmonster 3 Forefoot Energy Return
 Compare in Graph Tool

Forefoot Energy Return 
 

68.3%
66.7%

Heel Cushioning 
 

7.2
7.5

Heel Cushioning Picture 
 

Compare High-Res
On Cloudmonster 2 Heel Cushioning Picture
Compare High-Res
On Cloudmonster 3 Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
On Cloudmonster 2 Heel Cushioning
 Preview Graph
On Cloudmonster 3 Heel Cushioning
 Compare in Graph Tool

Energy Absorbed At 550N 
 

3.37 J
3.07 J

Energy Absorbed At 1100N 
 

9.11 J
9.76 J

Energy Absorbed At 1900N 
 

14.60 J
16.37 J

Forefoot Cushioning 
 

7.3
8.4

Forefoot Cushioning Picture 
 

Compare High-Res
On Cloudmonster 2 Forefoot Cushioning Picture
Compare High-Res
On Cloudmonster 3 Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
On Cloudmonster 2 Forefoot Cushioning
 Preview Graph
On Cloudmonster 3 Forefoot Cushioning
 Compare in Graph Tool

Energy Absorbed At 800N 
 

4.20 J
5.26 J

Energy Absorbed At 1300N 
 

7.85 J
9.23 J

Energy Absorbed At 2050N 
 

11.81 J
13.32 J

Heel Firmness 
 

5.8
5.1

Heel Firmness  

 Preview Graph
On Cloudmonster 2 Heel Firmness
 Preview Graph
On Cloudmonster 3 Heel Firmness
 Compare in Graph Tool

Firmness At 550N 
 

48.9 N/mm
47.7 N/mm

Firmness At 1100N 
 

130.8 N/mm
109.6 N/mm

Firmness At 1900N 
 

271.6 N/mm
226.7 N/mm

Forefoot Firmness 
 

7.8
7.5

Forefoot Firmness  

 Preview Graph
On Cloudmonster 2 Forefoot Firmness
 Preview Graph
On Cloudmonster 3 Forefoot Firmness
 Compare in Graph Tool

Firmness At 800N 
 

100.9 N/mm
91.4 N/mm

Firmness At 1300N 
 

207.5 N/mm
189.2 N/mm

Firmness At 2050N 
 

379.0 N/mm
388.4 N/mm

Forefoot Long Run Cushioning 
 

6.2
6.6

Forefoot Long Run Cushioning  

 Preview Graph
On Cloudmonster 2 Forefoot Long Run Cushioning
 Preview Graph
On Cloudmonster 3 Forefoot Long Run Cushioning
 Compare in Graph Tool

Energy Absorbed At 10km 
 

6.97 J
7.42 J

Energy Absorbed At 20km 
 

6.68 J
7.05 J

Energy Absorbed At 30km 
 

6.47 J
6.82 J

Energy Absorbed At 40km 
 

6.31 J
6.64 J

Rocker Stiffness 
 

8.9

Forefoot Rocker Stiffness Video  

Forefoot Rocker Stiffness Graph  

 Preview Graph
On Cloudmonster 2 Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

161 N

Forefoot Bending Energy Return 
 

4.5

Forefoot Bending Video  

Forefoot Bending Energy Return  

 Preview Graph
On Cloudmonster 2 Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

55.0%

Forefoot Bending Stiffness 
 

9.0

Forefoot Bending Resistance Picture  

On Cloudmonster 2 Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

 Preview Graph
On Cloudmonster 2 Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

26.2 N/mm

Forefoot Bending Force 
 

470 N

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On Cloudmonster 2

On Cloudmonster 3

Comments

  1. Comparison
 • Posted 1 month ago

On Cloudmonster 2 vs On Cloudmonster 3: Main Discussion

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