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ASICS GEL-NIMBUS 28 vs R.A.D MALLOW

Which Running Shoe Is Better?

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

Products

ASICS GEL-NIMBUS 28
R.A.D MALLOW 
early access

Tested using Methodology v0.12

Updated Jul 02, 2026 06:42 PM

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Amazon

Tested using Methodology v0.14

Updated Jul 10, 2026 01:08 PM

This review is in Early access

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R.A.D
ASICS GEL-NIMBUS 28 Picture

Track

R.A.D MALLOW Picture

Track

Weight
272.9 g (9.63 oz)
Heel-To-Toe Drop
6.4 mm
Plate
None
Weight
305.1 g (10.76 oz)
Heel-To-Toe Drop
9.1 mm
Plate
None
  1. Recommended in 2 articles:
  2. For Beginners
  3. ASICS

Our Verdict

ASICS GEL-NIMBUS 28

R.A.D MALLOW

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

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Variants

  • GEL-NIMBUS 28 (Arctic Blue/Velvet Purple - (Women - US 7))
  • GEL-NIMBUS 28 (Black/Cobalt Burst - (Men - US 9))
  • MALLOW (Solar Coral - (Women - US 7))
  • MALLOW (Ultrablue - (Men - US 9))

Review

See ASICS GEL-NIMBUS 28 Review
See R.A.D MALLOW Review
0 
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Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

6.7
0.0
No major differences between these running shoes for half/full marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

5.5
N/A

Right Shoe Weight Photo  

ASICS GEL-NIMBUS 28 Right Shoe Weight Photo
R.A.D MALLOW Right Shoe Weight Photo Sample

SAMPLE

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Left Shoe Weight Photo  

ASICS GEL-NIMBUS 28 Left Shoe Weight Photo
R.A.D MALLOW Left Shoe Weight Photo Sample

SAMPLE

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Weight 
 

272.9 g (9.63 oz)
Lock g (Lock oz)

Stack Heights 
 

Stack Height Photo  

ASICS GEL-NIMBUS 28 Stack Height Photo
R.A.D MALLOW Stack Height Photo Sample

SAMPLE

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Heel Stack Height 
 

42.5 mm
Lock mm

Forefoot Stack Height 
 

36.1 mm
Lock mm

Heel-To-Toe Drop 
 

6.4 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

8.0 mm
Lock mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
ASICS GEL-NIMBUS 28 3D Model Full Shoe
R.A.D MALLOW 3D Model Full Shoe Sample

SAMPLE

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Outsole Heel Width 
 

97 mm (3.8")
Lock mm (Lock")

Outsole Arch Width 
 

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

Outsole Forefoot Width 
 

117 mm (4.6")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

2.28
Lock

Forefoot Width-To-Stack Ratio 
 

3.24
Lock

Internal Shape 
 

3D Model Internal  

Preview 3D
ASICS GEL-NIMBUS 28 3D Model Internal
R.A.D MALLOW 3D Model Internal Sample

SAMPLE

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Internal Length 
 

278 mm (10.9")
Lock mm (Lock")

Internal Heel Width 
 

67 mm (2.6")
Lock mm (Lock")

Internal Forefoot Width 
 

96 mm (3.8")
Lock mm (Lock")

Wide Sizing Available 
 

Yes
Locked

Forefoot Fit: Width 
 

8.8
N/A

Forefoot Width Photo  

ASICS GEL-NIMBUS 28 Forefoot Width Photo
R.A.D MALLOW Forefoot Width Photo Sample

SAMPLE

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Ball-Of-Foot TTS Deviation 
 

1.8 mm (0.072")
Lock mm (Lock")

Toe TTS Deviation 
 

-3.8 mm (-0.151")
Lock mm (Lock")

Forefoot Fit: Height 
 

5.3
N/A

Forefoot Height Photo  

ASICS GEL-NIMBUS 28 Forefoot Height Photo
R.A.D MALLOW Forefoot Height Photo Sample

SAMPLE

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Toe TTS Deviation 
 

-5.6 mm (-0.221")
Lock mm (Lock")

Arch Fit: Width 
 

7.3
N/A

Arch Fit Photo  

ASICS GEL-NIMBUS 28 Arch Fit Photo
R.A.D MALLOW Arch Fit Photo Sample

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Arch Width TTS Deviation 
 

-4.3 mm (-0.169")
Lock mm (Lock")

Length Fit 
 

10
N/A

Toe Clearance Photo  

ASICS GEL-NIMBUS 28 Toe Clearance Photo
R.A.D MALLOW Toe Clearance Photo Sample

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Heel Rocker Geometry 
 

7.1
N/A

Heel Rocker Photo  

ASICS GEL-NIMBUS 28 Heel Rocker Photo
R.A.D MALLOW Heel Rocker Photo Sample

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Heel Spring 
 

32 mm (1.3")
Lock mm (Lock")

Heel Apex Position 
 

23.3%
Lock%

Heel Rocker Angle 
 

15.2°
Lock°

Forefoot Rocker Geometry 
 

7.7
N/A

Forefoot Rocker Photo  

ASICS GEL-NIMBUS 28 Forefoot Rocker Photo
R.A.D MALLOW Forefoot Rocker Photo Sample

SAMPLE

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Toe Spring 
 

55 mm (2.2")
Lock mm (Lock")

Toe Apex Position 
 

60.0%
Lock%

Forefoot Rocker Angle 
 

24.6°
Lock°

Foam 
 

Primary Foam Picture  

R.A.D MALLOW Primary Foam Picture Sample

SAMPLE

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Secondary Foam Picture  

R.A.D MALLOW Secondary Foam Picture Sample

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Primary Foam Name 
 

Locked

Primary Foam Type 
 

Locked

Secondary Foam Name 
 

N/A

Secondary Foam Type 
 

N/A

Laces 
 

Laces Picture  

R.A.D MALLOW Laces Picture Sample

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Lace Type 
 

Locked

Width 
 

Lock mm (Lock")

Thickness 
 

Lock mm (Lock")

Stretch 
 

Lock%

Other Features  

Other Features Photo  

ASICS GEL-NIMBUS 28 Other Features Photo
R.A.D MALLOW Other Features Photo Sample

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Tongue Gusset Type 
 

Fully-gusseted
Locked

Plate 
 

None
Locked
Performance

Heel Compression Energy Return 
 

1.0
N/A

Heel Compression Video  

R.A.D MALLOW Heel Compression Video Sample

SAMPLE

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Heel Energy Return  

 Preview Graph
ASICS GEL-NIMBUS 28 Heel Energy Return
R.A.D MALLOW Heel Energy Return Sample

SAMPLE

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Heel Energy Return 
 

64.7%
Lock%

Forefoot Compression Energy Return 
 

1.8
N/A

Forefoot Compression Video  

R.A.D MALLOW Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Energy Return
R.A.D MALLOW Forefoot Energy Return Sample

SAMPLE

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Forefoot Energy Return 
 

67.4%
Lock%

Heel Cushioning 
 

8.2
N/A

Heel Cushioning Picture  

ASICS GEL-NIMBUS 28 Heel Cushioning Picture
R.A.D MALLOW Heel Cushioning Picture Sample

SAMPLE

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Heel Cushioning  

 Preview Graph
ASICS GEL-NIMBUS 28 Heel Cushioning
R.A.D MALLOW Heel Cushioning Sample

SAMPLE

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Energy Absorbed At 550N 
 

3.43 J
Lock J

Energy Absorbed At 1100N 
 

10.28 J
Lock J

Energy Absorbed At 1900N 
 

18.03 J
Lock J

Forefoot Cushioning 
 

8.9
N/A

Forefoot Cushioning Picture  

ASICS GEL-NIMBUS 28 Forefoot Cushioning Picture
R.A.D MALLOW Forefoot Cushioning Picture Sample

SAMPLE

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Forefoot Cushioning  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Cushioning
R.A.D MALLOW Forefoot Cushioning Sample

SAMPLE

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Energy Absorbed At 800N 
 

5.43 J
Lock J

Energy Absorbed At 1300N 
 

9.95 J
Lock J

Energy Absorbed At 2050N 
 

15.38 J
Lock J

Heel Firmness 
 

8.1
N/A

Heel Firmness Graph  

 Preview Graph
ASICS GEL-NIMBUS 28 Heel Firmness Graph
R.A.D MALLOW Heel Firmness Graph Sample

SAMPLE

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Firmness At 550N 
 

48.5 N/mm
Lock N/mm

Firmness At 1100N 
 

54.9 N/mm
Lock N/mm

Firmness At 1900N 
 

74.9 N/mm
Lock N/mm

Forefoot Firmness 
 

7.4
N/A

Forefoot Firmness Graph  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Firmness Graph
R.A.D MALLOW Forefoot Firmness Graph Sample

SAMPLE

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Firmness At 800N 
 

56.9 N/mm
Lock N/mm

Firmness At 1300N 
 

70.4 N/mm
Lock N/mm

Firmness At 2050N 
 

94 N/mm
Lock N/mm

Forefoot Long Run Cushioning 
 

8.3
N/A

Forefoot Long Run Cushioning  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Long Run Cushioning
R.A.D MALLOW Forefoot Long Run Cushioning Sample

SAMPLE

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Energy Absorbed At 10km 
 

9.28 J
Lock J

Energy Absorbed At 20km 
 

9.07 J
Lock J

Energy Absorbed At 30km 
 

8.97 J
Lock J

Energy Absorbed At 40km 
 

8.88 J
Lock J

Rocker Stiffness 
 

8.4
N/A

Forefoot Rocker Stiffness Video  

R.A.D MALLOW Forefoot Rocker Stiffness Video Sample

SAMPLE

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Forefoot Rocker Stiffness Graph  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Rocker Stiffness Graph
R.A.D MALLOW Forefoot Rocker Stiffness Graph Sample

SAMPLE

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Force To Flatten The Rocker 
 

135 N
Lock N

Forefoot Bending Energy Return 
 

3.9
N/A

Forefoot Bending Video  

R.A.D MALLOW Forefoot Bending Video Sample

SAMPLE

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Forefoot Bending Energy Return  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Bending Energy Return
R.A.D MALLOW Forefoot Bending Energy Return Sample

SAMPLE

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Forefoot Bending Energy Return 
 

53.0%
Lock%

Forefoot Bending Stiffness 
 

7.8
N/A

Forefoot Bending Resistance Picture  

ASICS GEL-NIMBUS 28 Forefoot Bending Resistance Picture
R.A.D MALLOW Forefoot Bending Resistance Picture Sample

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Forefoot Bending Resistance  

 Preview Graph
ASICS GEL-NIMBUS 28 Forefoot Bending Resistance
R.A.D MALLOW Forefoot Bending Resistance Sample

SAMPLE

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Forefoot Bending Stiffness 
 

15.5 N/mm
Lock N/mm

Forefoot Bending Force 
 

330 N
Lock N

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ASICS GEL-NIMBUS 28

R.A.D MALLOW

Comments

  1. Comparison
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ASICS GEL-NIMBUS 28 vs R.A.D MALLOW: Main Discussion

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