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HOKA Mach 7 vs R.A.D SYNTH

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

HOKA Mach 7
R.A.D SYNTH 
early access

Tested using Methodology v0.10

Updated Apr 27, 2026 06:18 PM

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Amazon

Tested using Methodology v0.11

Updated May 08, 2026 01:07 PM

This review is in Early access

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R.A.D
HOKA Mach 7 Picture

Track

R.A.D SYNTH Picture

Track

Weight
212.4 g (7.49 oz)
Heel-To-Toe Drop
7.9 mm
Plate
None
Weight
231.1 g (8.15 oz)
Heel-To-Toe Drop
6.0 mm
Plate
None
  1. Recommended in 2 articles:
  2. Stability
  3. HOKA

Our Verdict

HOKA Mach 7

R.A.D SYNTH

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

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0 

Variants

  • Mach 7 (Alabaster/Soaring Blue - (Men - US 9))
  • Mach 7 (Alabaster/Soaring Blue - (Women - US 7))
  • SYNTH (Acid Green - (Men - US 9))
  • SYNTH (Fuchsia Flash - (Women - US 7))

Review

See HOKA Mach 7 Review
See R.A.D SYNTH Review
2 
0 

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R.A.D
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

7.2
0.0
No major differences between these running shoes for marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

7.8
N/A

Right Shoe Weight Photo  

Compare High-Res
HOKA Mach 7 Right Shoe Weight Photo
R.A.D SYNTH Right Shoe Weight Photo Sample

SAMPLE

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Left Shoe Weight Photo  

Compare High-Res
HOKA Mach 7 Left Shoe Weight Photo
R.A.D SYNTH Left Shoe Weight Photo Sample

SAMPLE

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Weight 
 

212.4 g (7.49 oz)
Lock g (Lock oz)

Stack Heights 
 

Stack Height Photo  

Compare High-Res
HOKA Mach 7 Stack Height Photo
R.A.D SYNTH Stack Height Photo Sample

SAMPLE

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Heel Stack Height 
 

37.1 mm
Lock mm

Forefoot Stack Height 
 

29.2 mm
Lock mm

Heel-To-Toe Drop 
 

7.9 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

5.0 mm
Lock mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
HOKA Mach 7 3D Model Full Shoe
R.A.D SYNTH 3D Model Full Shoe Sample

SAMPLE

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Outsole Heel Width 
 

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

Outsole Arch Width 
 

70 mm (2.7")
Lock mm (Lock")

Outsole Forefoot Width 
 

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

Heel Width-To-Stack Ratio 
 

2.48
Lock

Forefoot Width-To-Stack Ratio 
 

3.87
Lock

Internal Shape 
 

3D Model Internal  

Preview 3D
HOKA Mach 7 3D Model Internal
R.A.D SYNTH 3D Model Internal Sample

SAMPLE

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Internal Length 
 

279 mm (11.0")
Lock mm (Lock")

Internal Heel Width 
 

64 mm (2.5")
Lock mm (Lock")

Internal Forefoot Width 
 

90 mm (3.5")
Lock mm (Lock")

Wide Sizing Available 
 

Yes
Locked

Forefoot Fit: Width 
 

8.7
N/A

Forefoot Width Photo  

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HOKA Mach 7 Forefoot Width Photo
R.A.D SYNTH Forefoot Width Photo Sample

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Ball-Of-Foot TTS Deviation 
 

-1.7 mm (-0.065")
Lock mm (Lock")

Toe TTS Deviation 
 

-3.5 mm (-0.136")
Lock mm (Lock")

Forefoot Fit: Height 
 

8.1
N/A

Forefoot Height Photo  

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HOKA Mach 7 Forefoot Height Photo
R.A.D SYNTH Forefoot Height Photo Sample

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Toe TTS Deviation 
 

-2.4 mm (-0.094")
Lock mm (Lock")

Arch Fit: Width 
 

4.1
N/A

Arch Fit Photo  

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HOKA Mach 7 Arch Fit Photo
R.A.D SYNTH Arch Fit Photo Sample

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Arch Width TTS Deviation 
 

-7.8 mm (-0.306")
Lock mm (Lock")

Length Fit 
 

7.0
N/A

Toe Clearance Photo  

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HOKA Mach 7 Toe Clearance Photo
R.A.D SYNTH Toe Clearance Photo Sample

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Heel Rocker Geometry 
 

N/A

Heel Rocker Photo  

R.A.D SYNTH Heel Rocker Photo Sample

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  

R.A.D SYNTH Forefoot Rocker Photo Sample

SAMPLE

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Toe Spring 
 

Lock mm (Lock")

Toe Apex Position 
 

Lock%

Forefoot Rocker Angle 
 

Lock°

Other Features  

Other Features Photo  

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HOKA Mach 7 Other Features Photo
R.A.D SYNTH Other Features Photo Sample

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Tongue Gusset Type 
 

Fully-gusseted
Locked

Plate 
 

None
Locked
Performance

Heel Compression Energy Return 
 

6.6
N/A

Heel Compression Video  

R.A.D SYNTH Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

 Preview Graph
HOKA Mach 7 Heel Energy Return
R.A.D SYNTH Heel Energy Return Sample

SAMPLE

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Heel Energy Return 
 

74.7%
Lock%

Forefoot Compression Energy Return 
 

7.2
N/A

Forefoot Compression Video  

R.A.D SYNTH Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

 Preview Graph
HOKA Mach 7 Forefoot Energy Return
R.A.D SYNTH Forefoot Energy Return Sample

SAMPLE

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Forefoot Energy Return 
 

77.0%
Lock%

Heel Cushioning 
 

7.8
N/A

Heel Cushioning Picture  

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HOKA Mach 7 Heel Cushioning Picture
R.A.D SYNTH Heel Cushioning Picture Sample

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Heel Cushioning  

 Preview Graph
HOKA Mach 7 Heel Cushioning
R.A.D SYNTH Heel Cushioning Sample

SAMPLE

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Energy Absorbed At 550N 
 

3.79 J
Lock J

Energy Absorbed At 1100N 
 

9.47 J
Lock J

Energy Absorbed At 1900N 
 

15.35 J
Lock J

Forefoot Cushioning 
 

7.6
N/A

Forefoot Cushioning Picture  

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HOKA Mach 7 Forefoot Cushioning Picture
R.A.D SYNTH Forefoot Cushioning Picture Sample

SAMPLE

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Forefoot Cushioning  

 Preview Graph
HOKA Mach 7 Forefoot Cushioning
R.A.D SYNTH Forefoot Cushioning Sample

SAMPLE

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Energy Absorbed At 800N 
 

4.89 J
Lock J

Energy Absorbed At 1300N 
 

8.21 J
Lock J

Energy Absorbed At 2050N 
 

11.73 J
Lock J

Heel Firmness 
 

5.8
N/A

Heel Firmness  

 Preview Graph
HOKA Mach 7 Heel Firmness
R.A.D SYNTH Heel Firmness Sample

SAMPLE

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Firmness At 550N 
 

49.8 N/mm
Lock N/mm

Firmness At 1100N 
 

124.4 N/mm
Lock N/mm

Firmness At 1900N 
 

274.8 N/mm
Lock N/mm

Forefoot Firmness 
 

8.2
N/A

Forefoot Firmness  

 Preview Graph
HOKA Mach 7 Forefoot Firmness
R.A.D SYNTH Forefoot Firmness Sample

SAMPLE

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Firmness At 800N 
 

104.0 N/mm
Lock N/mm

Firmness At 1300N 
 

229.6 N/mm
Lock N/mm

Firmness At 2050N 
 

471.0 N/mm
Lock N/mm

Forefoot Long Run Cushioning 
 

6.6
N/A

Forefoot Long Run Cushioning  

 Preview Graph
HOKA Mach 7 Forefoot Long Run Cushioning
R.A.D SYNTH Forefoot Long Run Cushioning Sample

SAMPLE

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Energy Absorbed At 10km 
 

7.28 J
Lock J

Energy Absorbed At 20km 
 

7.04 J
Lock J

Energy Absorbed At 30km 
 

6.88 J
Lock J

Energy Absorbed At 40km 
 

6.76 J
Lock J

Rocker Stiffness 
 

N/A

Forefoot Rocker Stiffness Video  

R.A.D SYNTH Forefoot Rocker Stiffness Video Sample

SAMPLE

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Forefoot Rocker Stiffness Graph  

R.A.D SYNTH 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  

R.A.D SYNTH Forefoot Bending Video Sample

SAMPLE

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Forefoot Bending Energy Return  

R.A.D SYNTH Forefoot Bending Energy Return Sample

SAMPLE

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Forefoot Bending Energy Return 
 

Lock%

Forefoot Bending Stiffness 
 

N/A

Forefoot Bending Resistance Picture  

R.A.D SYNTH Forefoot Bending Resistance Picture Sample

SAMPLE

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Forefoot Bending Resistance  

R.A.D SYNTH Forefoot Bending Resistance Sample

SAMPLE

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Forefoot Bending Stiffness 
 

Lock N/mm

Forefoot Bending Force 
 

Lock N

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HOKA Mach 7

R.A.D SYNTH

Comments

  1. Comparison
 • Posted 2 hours ago

HOKA Mach 7 vs R.A.D SYNTH: Main Discussion

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