Nike Alphafly 3 vs On Cloudboom Strike

Which Running Shoe Is Better?

Products

Nike Alphafly 3
On Cloudboom Strike

Tested using Methodology v0.10

Updated Feb 27, 2026 07:52 PM

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Nike.com

Tested using Methodology v0.10

Updated Feb 26, 2026 10:50 PM

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DicksSportingGoods.com
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Our Verdict

Nike Alphafly 3

On Cloudboom Strike

The Nike Alphafly 3 and the On Cloudboom Strike are two high-performance racing shoes designed for serious runners, both tailored for marathon distances, but they excel in different ways. The Nike shoe has marginally better energy return and lateral stability. Its design prioritizes efficiency, making it a top choice for runners seeking an aggressive race-focused shoe. In contrast, the On focuses on a more cushioned ride, particularly in the forefoot area. It provides a softer landing experience, benefiting runners looking to reduce impact stress during races. While it may not offer the same explosive toe-off as the Nike, it delivers a well-balanced ride that's particularly effective for maintaining comfort and performance over the full marathon distance.

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Variants

  • Alphafly 3 (Black/Olive Aura/Metallic Silver - (Men - US 9))
  • Alphafly 3 (Bright Crimson/Lime Blast/Mint Foam/Cave Purple - (Men - US 9))
  • Cloudboom Strike (Limelight/Wolf - (Men - US 9))
  • Cloudboom Strike (Limelight/Wolf - (Women - US 7))

Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

0.0
0.0
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Full Comparison

Design

Weight  

N/A
N/A

Right Shoe Weight Photo  

Nike Alphafly 3 Right Shoe Weight Photo Sample

SAMPLE

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On Cloudboom Strike Right Shoe Weight Photo Sample

SAMPLE

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Left Shoe Weight Photo  

Nike Alphafly 3 Left Shoe Weight Photo Sample

SAMPLE

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On Cloudboom Strike Left Shoe Weight Photo Sample

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Weight 
 

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

Stack Height Photo  

Nike Alphafly 3 Stack Height Photo Sample

SAMPLE

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On Cloudboom Strike 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
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External Shape 
 

3D Model Full Shoe  

Nike Alphafly 3 3D Model Full Shoe Sample

SAMPLE

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On Cloudboom Strike 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  

Nike Alphafly 3 3D Model Internal Sample

SAMPLE

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On Cloudboom Strike 3D Model Internal 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  

Nike Alphafly 3 Forefoot Width Photo Sample

SAMPLE

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On Cloudboom Strike Forefoot Width Photo Sample

SAMPLE

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Ball-Of-Foot TTS Deviation 
 

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

Toe TTS Deviation 
 

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

Forefoot Fit: Height 
 

N/A
N/A

Forefoot Height Photo  

Nike Alphafly 3 Forefoot Height Photo Sample

SAMPLE

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On Cloudboom Strike Forefoot Height Photo Sample

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Toe TTS Deviation 
 

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

Arch Fit: Width 
 

N/A
N/A

Arch Fit Photo  

Nike Alphafly 3 Arch Fit Photo Sample

SAMPLE

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On Cloudboom Strike Arch Fit Photo Sample

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Arch Width TTS Deviation 
 

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

Length Fit 
 

N/A
N/A

Toe Clearance Photo  

Nike Alphafly 3 Toe Clearance Photo Sample

SAMPLE

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On Cloudboom Strike Toe Clearance Photo Sample

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Other Features  

Other Features Photo  

Nike Alphafly 3 Other Features Photo Sample

SAMPLE

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On Cloudboom Strike Other Features Photo Sample

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Tongue Gusset Type 
 

Locked
Locked

Plate 
 

Locked
Locked
Performance

Heel Energy Return 
 

N/A
N/A

Heel Compression Video  

Nike Alphafly 3 Heel Compression Video Sample

SAMPLE

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On Cloudboom Strike Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

Nike Alphafly 3 Heel Energy Return Sample

SAMPLE

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On Cloudboom Strike Heel Energy Return Sample

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Heel Energy Return 
 

Lock%
Lock%
Show Text 

Forefoot Energy Return 
 

N/A
N/A

Forefoot Compression Video  

Nike Alphafly 3 Forefoot Compression Video Sample

SAMPLE

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On Cloudboom Strike Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

Nike Alphafly 3 Forefoot Energy Return Sample

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On Cloudboom Strike Forefoot Energy Return Sample

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Forefoot Energy Return 
 

Lock%
Lock%
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Heel Cushioning 
 

N/A
N/A

Heel Cushioning Picture  

Nike Alphafly 3 Heel Cushioning Picture Sample

SAMPLE

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On Cloudboom Strike Heel Cushioning Picture Sample

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Heel Cushioning  

Nike Alphafly 3 Heel Cushioning Sample

SAMPLE

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On Cloudboom Strike 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  

Nike Alphafly 3 Forefoot Cushioning Picture Sample

SAMPLE

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On Cloudboom Strike Forefoot Cushioning Picture Sample

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Forefoot Cushioning  

Nike Alphafly 3 Forefoot Cushioning Sample

SAMPLE

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On Cloudboom Strike 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  

Nike Alphafly 3 Heel Firmness Sample

SAMPLE

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On Cloudboom Strike 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  

Nike Alphafly 3 Forefoot Firmness Sample

SAMPLE

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On Cloudboom Strike 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  

Nike Alphafly 3 Forefoot Long Run Cushioning Sample

SAMPLE

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On Cloudboom Strike Forefoot Long Run Cushioning Sample

SAMPLE

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Energy Absorbed At 10km 
 

Lock J
Lock J

Energy Absorbed At 20km 
 

Lock J
Lock J

Energy Absorbed At 30km 
 

Lock J
Lock J

Energy Absorbed At 40km 
 

Lock J
Lock J
Show Text 

Nike Alphafly 3

On Cloudboom Strike

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