Products
ASICS MAGIC SPEED 4
early access
adidas Adizero Boston 13
Tested using Methodology v0.9
Updated Nov 21, 2025 04:42 PM
This review is in Early access
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Amazon.com
Tested using Methodology v0.9
Updated Oct 27, 2025 04:34 PM
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Adidas.com
Weight
g ( oz)
Heel-To-Toe Drop
mm
Plate
Weight
252.2 g (8.90 oz)
Heel-To-Toe Drop
6.8 mm
Plate
Carbon Fiber Rods
Our Verdict
ASICS MAGIC SPEED 4
adidas Adizero Boston 13
Full comparison details regarding individual product score sets can be found in the section below
0
Variants
- MAGIC SPEED 4 (Purple Spectrum/Pale Pink - (Women - US 7))
- MAGIC SPEED 4 (Safety Yellow/Black - (Women - US 7))
- MAGIC SPEED 4 (Soothing Sea/Black - (Men - US 9))
- MAGIC SPEED 4 (Soothing Sea/Black - (Women - US 7))
- Adizero Boston 13 (Black/Cloud White/Grey - (Men - US 9))
- Adizero Boston 13 (Chalk White/Gold Metallic/Orange Tint - (Women - US 7))
- Adizero Boston 13 (Cloud White/Black/Lucid Red - (Men - US 9))
- Adizero Boston 13 (Cloud White/Core Black/Lucid Red - (Men - US 9))
- Adizero Boston 13 (Cloud White/Core Black/Lucid Red - (Women - US 7))
- Adizero Boston 13 (Cloud White/Matte Silver/Dash Grey - (Women - US 7))
- Adizero Boston 13 (Cloud White/Pure Teal/Grey - (Men - US 9))
- Adizero Boston 13 (Cloud White/Pure Teal/Grey - (Women - US 7))
- Adizero Boston 13 (Core Black/Cloud White/Grey Five - (Men - US 9))
- Adizero Boston 13 (Flash Aqua/Cloud White/Lucid Lemon - (Men - US 9))
- Adizero Boston 13 (Halo Silver/Silver Metallic/Blue - (Women - US 7))
- Adizero Boston 13 (Lucid Blue/Lime Burst/Black - (Men - US 9))
- Adizero Boston 13 (Lucid Lemon/Black/Halo Silver - (Men - US 9))
- Adizero Boston 13 (Semi Flash Aqua/Zero Metalic/Lucid Lemon - (Women - US 7))
- Adizero Boston 13 (White/Matte Silver/Dash Grey - (Women - US 7))
Main Differences for
Marathon Racing
Marathon Racing
Threshold
Marathon Racing
7.2
Full Comparison
Design
Weight
6.3
Right Shoe Weight Photo
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Left Shoe Weight Photo
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Weight
252.2 g (8.90 oz)
Stack Heights
Stack Height Photo
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Heel Stack Height
35.9 mm
Forefoot Stack Height
29.1 mm
Heel-To-Toe Drop
6.8 mm
Advertised Heel-To-Toe Drop
6.0 mm
External Shape
3D Model Full Shoe
Outsole Heel Width
83 mm (3.3")
Outsole Arch Width
62 mm (2.4")
Outsole Forefoot Width
122 mm (4.8")
Heel Width-To-Stack Ratio
2.31
Forefoot Width-To-Stack Ratio
4.19
Internal Shape
3D Model Internal
Internal Length
277 mm (10.9")
Internal Heel Width
63 mm (2.5")
Internal Forefoot Width
97 mm (3.8")
Wide Sizing Available
No
Other Features
Other Features Photo
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Tongue Gusset Type
Semi-gusseted
Plate
Carbon Fiber Rods
Performance
Heel Energy Return
6.7
Heel Compression Video
Heel Energy Return
Heel Energy Return
75.1%
Forefoot Energy Return
8.0
Forefoot Compression Video
Forefoot Energy Return
Forefoot Energy Return
80.8%
Heel Cushioning
5.9
Heel Cushioning Picture
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Heel Cushioning
Energy Absorbed At 550N
2.76 J
Energy Absorbed At 1100N
7.59 J
Energy Absorbed At 1900N
13.09 J
Forefoot Cushioning
6.6
Forefoot Cushioning Picture
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Forefoot Cushioning
Energy Absorbed At 800N
4.14 J
Energy Absorbed At 1300N
7.08 J
Energy Absorbed At 2050N
10.17 J
Heel Firmness
6.8
Heel Firmness
Firmness At 550N
65.5 N/mm
Firmness At 1100N
133.0 N/mm
Firmness At 1900N
299.2 N/mm
Forefoot Firmness
8.7
Forefoot Firmness
Firmness At 800N
120.7 N/mm
Firmness At 1300N
257.3 N/mm
Firmness At 2050N
541.9 N/mm
Forefoot Long Run Cushioning
5.9
Forefoot Long Run Cushioning
Energy Absorbed At 10km
6.47 J
Energy Absorbed At 20km
6.30 J
Energy Absorbed At 30km
6.21 J
Energy Absorbed At 40km
6.12 J
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ASICS MAGIC SPEED 4
adidas Adizero Boston 13
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ASICS MAGIC SPEED 4 vs adidas Adizero Boston 13: Main Discussion
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