ASICS MEGABLAST vs SONICBLAST 2

Which Running Shoe Is Better?

Products

ASICS MEGABLAST
ASICS SONICBLAST 2

Tested using Methodology v0.16

Updated Sep 24, 2026 07:55 PM

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Amazon

Tested using Methodology v0.16

Updated Sep 29, 2026 06:23 PM

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Amazon
ASICS MEGABLAST Picture

Track

ASICS SONICBLAST 2 Picture

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  1. Recommended in 6 articles:
  2. Running Shoes
  3. For Men
  4. Women
  5. 3

Our Verdict

ASICS MEGABLAST

ASICS SONICBLAST 2

The ASICS SONICBLAST 2 and ASICS MEGABLAST offer similarly deep cushioning at nearly the same weight, but the MEGABLAST is the better all-rounder. It usually retails for a bit more money, but its bouncier, unplated ride is more versatile for daily miles, long runs, and faster workouts, making the extra cost worthwhile for most runners. Choose the SONICBLAST 2 if you want to save some money and prefer a more pronounced rolling sensation for your fast, long runs.

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Variants

  • MEGABLAST (Edo Purple/Black - (Men - US 9))
  • MEGABLAST (Edo Purple/Black - (Women - US 7))
  • SONICBLAST 2 (Energy Aqua/Illuminate Yellow - (Men - US 9))
  • SONICBLAST 2 (Illuminate Yellow/Hazy Lilac - (Women - US 7))

Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

8.1
8.1
No major differences between these running shoes for half/full marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

7.2
7.3

Right Shoe Weight Photo 
 

Compare High-Res
ASICS MEGABLAST Right Shoe Weight Photo
Compare High-Res
ASICS SONICBLAST 2 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
ASICS MEGABLAST Left Shoe Weight Photo
Compare High-Res
ASICS SONICBLAST 2 Left Shoe Weight Photo

Weight 
 

229.9 g (8.11 oz)
225.9 g (7.97 oz)

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
ASICS MEGABLAST Stack Height Photo
Compare High-Res
ASICS SONICBLAST 2 Stack Height Photo

Heel Stack Height 
 

44.6 mm
45.1 mm

Forefoot Stack Height 
 

35.9 mm
37.5 mm

Heel-To-Toe Drop 
 

8.7 mm
7.6 mm

Advertised Heel-To-Toe Drop 
 

8.0 mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
ASICS MEGABLAST 3D Model Full Shoe
Preview 3D
ASICS SONICBLAST 2 3D Model Full Shoe

Outsole Heel Width 
 

96 mm (3.8")
94 mm (3.7")

Outsole Arch Width 
 

80 mm (3.2")
78 mm (3.1")

Outsole Forefoot Width 
 

119 mm (4.7")
116 mm (4.6")

Heel Width-To-Stack Ratio 
 

2.15
2.08

Forefoot Width-To-Stack Ratio 
 

3.31
3.09

Internal Shape 
 

3D Model Internal  

Preview 3D
ASICS MEGABLAST 3D Model Internal
Preview 3D
ASICS SONICBLAST 2 3D Model Internal

Internal Length 
 

282 mm (11.1")
284 mm (11.2")

Internal Heel Width 
 

66 mm (2.6")
61 mm (2.4")

Internal Forefoot Width 
 

94 mm (3.7")
95 mm (3.7")

Wide Sizing Available 
 

No
No

Forefoot Fit: Width 
 

7.9
9.2

Forefoot Width Photo 
 

Compare High-Res
ASICS MEGABLAST Forefoot Width Photo
Compare High-Res
ASICS SONICBLAST 2 Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

-3.6 mm (-0.140")
3.0 mm (0.118")

Toe TTS Deviation 
 

-2.9 mm (-0.115")
-1.6 mm (-0.064")

Forefoot Fit: Height 
 

8.1
6.5

Forefoot Height Photo 
 

Compare High-Res
ASICS MEGABLAST Forefoot Height Photo
Compare High-Res
ASICS SONICBLAST 2 Forefoot Height Photo

Toe TTS Deviation 
 

-2.4 mm (-0.093")
-4.2 mm (-0.165")

Arch Fit: Width 
 

8.0
9.9

Arch Fit Photo 
 

Compare High-Res
ASICS MEGABLAST Arch Fit Photo
Compare High-Res
ASICS SONICBLAST 2 Arch Fit Photo

Arch Width TTS Deviation 
 

-3.3 mm (-0.130")
1.2 mm (0.047")

Length Fit 
 

10
10

Toe Clearance Photo 
 

Compare High-Res
ASICS MEGABLAST Toe Clearance Photo
Compare High-Res
ASICS SONICBLAST 2 Toe Clearance Photo

Heel Rocker Geometry 
 

8.4
8.0

Heel Rocker Photo 
 

Compare High-Res
ASICS MEGABLAST Heel Rocker Photo
Compare High-Res
ASICS SONICBLAST 2 Heel Rocker Photo

Heel Spring 
 

30 mm (1.2")
25 mm (1.0")

Heel Apex Position 
 

21.7%
18.7%

Heel Rocker Angle 
 

24.8°
24.4°

Forefoot Rocker Geometry 
 

7.2
7.6

Forefoot Rocker Photo 
 

Compare High-Res
ASICS MEGABLAST Forefoot Rocker Photo
Compare High-Res
ASICS SONICBLAST 2 Forefoot Rocker Photo

Toe Spring 
 

50 mm (2.0")
53 mm (2.1")

Toe Apex Position 
 

68.3%
66.0%

Forefoot Rocker Angle 
 

27.8°
27.9°

Foam 
 

Primary Foam Picture 
 

Compare High-Res
ASICS MEGABLAST Primary Foam Picture
Compare High-Res
ASICS SONICBLAST 2 Primary Foam Picture

Secondary Foam Picture 
 

Compare High-Res
ASICS MEGABLAST Secondary Foam Picture
Compare High-Res
ASICS SONICBLAST 2 Secondary Foam Picture

Primary Foam Name 
 

FF TURBO²
FF TURBO²

Primary Foam Type 
 

A-TPU
A-TPU

Secondary Foam Name 
 

No Secondary Foam
FF BLAST MAX

Secondary Foam Type 
 

No Secondary Foam
Unknown

Laces 
 

Laces Picture 
 

Compare High-Res
ASICS MEGABLAST Laces Picture
Compare High-Res
ASICS SONICBLAST 2 Laces Picture

Lace Type 
 

Sawtooth
Flat

Width 
 

5.0 mm (0.2")
6.0 mm (0.2")

Thickness 
 

1.2 mm (0.0")
1.4 mm (0.1")

Stretch 
 

6.0%
14.0%

Breathability 
 

7.5
7.5

Breathability Video  

Upper Breathability 
 

Compare High-Res
ASICS MEGABLAST Upper Breathability
Compare High-Res
ASICS SONICBLAST 2 Upper Breathability

Upper Microscope Photo 
 

Compare High-Res
ASICS MEGABLAST Upper Microscope Photo
Compare High-Res
ASICS SONICBLAST 2 Upper Microscope Photo

Time-To-Dry 
 

7.8
8.6

Time-To-Dry Timelapse  

Time-To-Dry Graph  

 Preview Graph
ASICS MEGABLAST Time-To-Dry Graph
 Preview Graph
ASICS SONICBLAST 2 Time-To-Dry Graph

Time To 30% Dry 
 

6.1 hrs
5.2 hrs

Time To 70% Dry 
 

16.0 hrs
12.9 hrs

Time To Dry 
 

24.2 hrs
19.3 hrs

Water Absorption 
 

7.3
9.1

Dry Weight Photo 
 

Compare High-Res
ASICS MEGABLAST Dry Weight Photo
Compare High-Res
ASICS SONICBLAST 2 Dry Weight Photo

Wet Weight Photo 
 

Compare High-Res
ASICS MEGABLAST Wet Weight Photo
Compare High-Res
ASICS SONICBLAST 2 Wet Weight Photo

Water Absorbed 
 

43.7%
30.1%

Other Features  

Other Features Photo 
 

Compare High-Res
ASICS MEGABLAST Other Features Photo
Compare High-Res
ASICS SONICBLAST 2 Other Features Photo

Tongue Gusset Type 
 

Fully-gusseted
Semi-gusseted

Plate 
 

None
3/4-Length Plastic Plate
Performance

Heel Compression Energy Return 
 

8.4
6.8

Heel Compression Video  

Heel Energy Return  

 Preview Graph
ASICS MEGABLAST Heel Energy Return
 Preview Graph
ASICS SONICBLAST 2 Heel Energy Return

Heel Energy Return 
 

82.9%
75.3%

Forefoot Compression Energy Return 
 

8.3
7.8

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
ASICS MEGABLAST Forefoot Energy Return
 Preview Graph
ASICS SONICBLAST 2 Forefoot Energy Return

Forefoot Energy Return 
 

82.8%
79.8%

Heel Cushioning 
 

9.3
9.1

Heel Cushioning Picture 
 

Compare High-Res
ASICS MEGABLAST Heel Cushioning Picture
Compare High-Res
ASICS SONICBLAST 2 Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
ASICS MEGABLAST Heel Cushioning
 Preview Graph
ASICS SONICBLAST 2 Heel Cushioning

Energy Absorbed At 550N 
 

4.35 J
3.96 J

Energy Absorbed At 1100N 
 

12.12 J
11.98 J

Energy Absorbed At 1900N 
 

21.19 J
20.27 J

Forefoot Cushioning 
 

9.4
9.4

Forefoot Cushioning Picture 
 

Compare High-Res
ASICS MEGABLAST Forefoot Cushioning Picture
Compare High-Res
ASICS SONICBLAST 2 Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
ASICS MEGABLAST Forefoot Cushioning
 Preview Graph
ASICS SONICBLAST 2 Forefoot Cushioning

Energy Absorbed At 800N 
 

6.16 J
6.20 J

Energy Absorbed At 1300N 
 

11.21 J
11.28 J

Energy Absorbed At 2050N 
 

16.62 J
16.77 J

Heel Firmness 
 

5.0
6.3

Heel Firmness Graph  

 Preview Graph
ASICS MEGABLAST Heel Firmness Graph
 Preview Graph
ASICS SONICBLAST 2 Heel Firmness Graph

Firmness At 550N 
 

34.4 N/mm
41.7 N/mm

Firmness At 1100N 
 

42.6 N/mm
47.0 N/mm

Firmness At 1900N 
 

59.2 N/mm
65.2 N/mm

Forefoot Firmness 
 

5.0
5.1

Forefoot Firmness Graph  

 Preview Graph
ASICS MEGABLAST Forefoot Firmness Graph
 Preview Graph
ASICS SONICBLAST 2 Forefoot Firmness Graph

Firmness At 800N 
 

47.0 N/mm
48.0 N/mm

Firmness At 1300N 
 

59.1 N/mm
60.1 N/mm

Firmness At 2050N 
 

81 N/mm
82 N/mm

Forefoot Long Run Cushioning 
 

8.9
9.0

Forefoot Long Run Cushioning  

 Preview Graph
ASICS MEGABLAST Forefoot Long Run Cushioning
 Preview Graph
ASICS SONICBLAST 2 Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

10.19 J
10.48 J

Energy Absorbed At 20km 
 

9.98 J
10.21 J

Energy Absorbed At 30km 
 

9.84 J
10.04 J

Energy Absorbed At 40km 
 

9.74 J
9.91 J

Rocker Stiffness 
 

7.5
9.0

Forefoot Rocker Stiffness Video  

Forefoot Rocker Stiffness Graph  

 Preview Graph
ASICS MEGABLAST Forefoot Rocker Stiffness Graph
 Preview Graph
ASICS SONICBLAST 2 Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

99 N
167 N

Forefoot Bending Energy Return 
 

7.9
7.9

Forefoot Bending Video  

Forefoot Bending Energy Return  

 Preview Graph
ASICS MEGABLAST Forefoot Bending Energy Return
 Preview Graph
ASICS SONICBLAST 2 Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

70.9%
71.1%

Forefoot Bending Stiffness 
 

7.8
7.0

Forefoot Bending Resistance Picture 
 

Compare High-Res
ASICS MEGABLAST Forefoot Bending Resistance Picture
Compare High-Res
ASICS SONICBLAST 2 Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

 Preview Graph
ASICS MEGABLAST Forefoot Bending Resistance
 Preview Graph
ASICS SONICBLAST 2 Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

16.1 N/mm
11.9 N/mm

Forefoot Bending Force 
 

316 N
270 N

Heel Compression Depth 
 

7.6
6.7

Heel Compression Graph  

 Preview Graph
ASICS MEGABLAST Heel Compression Graph
 Preview Graph
ASICS SONICBLAST 2 Heel Compression Graph

Heel Compression At 550N 
 

16.0 mm
13.2 mm

Heel Compression At 1100N 
 

25.8 mm
23.4 mm

Heel Compression At 1900N 
 

32.1 mm
29.1 mm

Forefoot Compression Depth 
 

7.4
7.3

Forefoot Compression Graph  

 Preview Graph
ASICS MEGABLAST Forefoot Compression Graph
 Preview Graph
ASICS SONICBLAST 2 Forefoot Compression Graph

Forefoot Compression At 800N 
 

17.0 mm
16.7 mm

Forefoot Compression At 1300N 
 

22.0 mm
21.6 mm

Forefoot Compression At 2050N 
 

25.3 mm
25.0 mm

ASICS MEGABLAST

ASICS SONICBLAST 2

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  1. Comparison

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