adidas Adizero Prime X 2.0 STRUNG vs Adizero Prime X3 STRUNG

Which Running Shoe Is Better?

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adidas Adizero Prime X 2.0 STRUNG
adidas Adizero Prime X3 STRUNG

Tested using Methodology v0.10

Updated Apr 29, 2026 09:20 PM

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Tested using Methodology v0.11

Updated May 13, 2026 02:42 PM

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adidas Adizero Prime X 2.0 STRUNG Picture

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adidas Adizero Prime X3 STRUNG Picture

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Our Verdict

adidas Adizero Prime X 2.0 STRUNG

adidas Adizero Prime X3 STRUNG

The adidas Adizero Prime X3 STRUNG and the Adizero Prime X 2.0 STRUNG share the same concept of a double carbon system with a plate and Energy Rods, but the third version refines it into a taller, softer, and more protective package. The Prime X3 adds even more cushioning, with a thicker slab of foam between the plate and rods under the forefoot, giving a smoother, more forgiving ride underfoot. On the other hand, the Prime X 2.0 is slightly more performance-oriented in its geometry, with a flatter midsole that makes it feel more stable, especially around the arch, with a smoother transition. The arched outsole geometry and higher heel of the Prime X3 also create a more aggressive geometry, which also makes it less stable.

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Variants

  • Adizero Prime X 2.0 STRUNG (Cloud White/Core Black/Lucid Red - (Men - US 9))
  • Adizero Prime X 2.0 STRUNG (Core Black/Zero Metalic/Spark - (Men - US 9))
  • Adizero Prime X3 STRUNG (Flash Aqua/Zero Metalic/Lucid Lemon - (Men - US 9))
  • Adizero Prime X3 STRUNG (Flash Aqua/Zero Metalic/Lucid Lemon - (Women - US 7))
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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

7.7
7.7
No major differences between these running shoes for marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

4.6
4.7

Right Shoe Weight Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Right Shoe Weight Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Left Shoe Weight Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Left Shoe Weight Photo

Weight 
 

295.8 g (10.43 oz)
291.6 g (10.29 oz)

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Stack Height Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Stack Height Photo

Heel Stack Height 
 

46.4 mm
48.4 mm

Forefoot Stack Height 
 

37.2 mm
38.1 mm

Heel-To-Toe Drop 
 

9.2 mm
10.3 mm

Advertised Heel-To-Toe Drop 
 

9.0 mm
7.0 mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
adidas Adizero Prime X 2.0 STRUNG 3D Model Full Shoe
Preview 3D
adidas Adizero Prime X3 STRUNG 3D Model Full Shoe

Outsole Heel Width 
 

83 mm (3.3")
79 mm (3.1")

Outsole Arch Width 
 

72 mm (2.8")
83 mm (3.3")

Outsole Forefoot Width 
 

115 mm (4.5")
122 mm (4.8")

Heel Width-To-Stack Ratio 
 

1.79
1.63

Forefoot Width-To-Stack Ratio 
 

3.09
3.20

Internal Shape 
 

3D Model Internal  

Preview 3D
adidas Adizero Prime X 2.0 STRUNG 3D Model Internal
Preview 3D
adidas Adizero Prime X3 STRUNG 3D Model Internal

Internal Length 
 

275 mm (10.8")
276 mm (10.9")

Internal Heel Width 
 

61 mm (2.4")
63 mm (2.5")

Internal Forefoot Width 
 

93 mm (3.7")
94 mm (3.7")

Wide Sizing Available 
 

No
No

Forefoot Fit: Width 
 

8.9
8.9

Forefoot Width Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Forefoot Width Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

-1.0 mm (-0.039")
3.6 mm (0.142")

Toe TTS Deviation 
 

-3.7 mm (-0.146")
5.8 mm (0.229")

Forefoot Fit: Height 
 

5.2
10

Forefoot Height Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Forefoot Height Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Forefoot Height Photo

Toe TTS Deviation 
 

-5.7 mm (-0.222")
2.2 mm (0.088")

Arch Fit: Width 
 

7.4
0.0

Arch Fit Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Arch Fit Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Arch Fit Photo

Arch Width TTS Deviation 
 

-4.2 mm (-0.165")
-11.2 mm (-0.439")

Length Fit 
 

10
10

Toe Clearance Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Toe Clearance Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Toe Clearance Photo

Heel Rocker Geometry 
 

7.3

Heel Rocker Photo  

adidas Adizero Prime X3 STRUNG Heel Rocker Photo

Heel Spring 
 

20 mm (0.8")

Heel Apex Position 
 

16.5%

Heel Rocker Angle 
 

22.6°

Forefoot Rocker Geometry 
 

8.1

Forefoot Rocker Photo  

adidas Adizero Prime X3 STRUNG Forefoot Rocker Photo

Toe Spring 
 

60 mm (2.4")

Toe Apex Position 
 

66.0%

Forefoot Rocker Angle 
 

31.0°

Other Features  

Other Features Photo 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Other Features Photo
Compare High-Res
adidas Adizero Prime X3 STRUNG Other Features Photo

Tongue Gusset Type 
 

Non-gusseted
Non-gusseted

Plate 
 

Carbon Fiber
Carbon Fiber
Performance

Heel Compression Energy Return 
 

8.2
8.2

Heel Compression Video  

Heel Energy Return  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Heel Energy Return
 Preview Graph
adidas Adizero Prime X3 STRUNG Heel Energy Return

Heel Energy Return 
 

82.2%
81.9%

Forefoot Compression Energy Return 
 

8.8
8.7

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Forefoot Energy Return
 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Energy Return

Forefoot Energy Return 
 

86.3%
85.6%

Heel Cushioning 
 

8.8
9.3

Heel Cushioning Picture 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Heel Cushioning Picture
Compare High-Res
adidas Adizero Prime X3 STRUNG Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Heel Cushioning
 Preview Graph
adidas Adizero Prime X3 STRUNG Heel Cushioning

Energy Absorbed At 550N 
 

3.92 J
4.16 J

Energy Absorbed At 1100N 
 

11.03 J
12.18 J

Energy Absorbed At 1900N 
 

19.24 J
20.84 J

Forefoot Cushioning 
 

8.9
9.0

Forefoot Cushioning Picture 
 

Compare High-Res
adidas Adizero Prime X 2.0 STRUNG Forefoot Cushioning Picture
Compare High-Res
adidas Adizero Prime X3 STRUNG Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Forefoot Cushioning
 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Cushioning

Energy Absorbed At 800N 
 

5.53 J
5.21 J

Energy Absorbed At 1300N 
 

9.86 J
10.17 J

Energy Absorbed At 2050N 
 

15.39 J
16.55 J

Heel Firmness 
 

4.3
3.8

Heel Firmness  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Heel Firmness
 Preview Graph
adidas Adizero Prime X3 STRUNG Heel Firmness

Firmness At 550N 
 

44.9 N/mm
39.4 N/mm

Firmness At 1100N 
 

91.4 N/mm
80.5 N/mm

Firmness At 1900N 
 

201.1 N/mm
205.9 N/mm

Forefoot Firmness 
 

6.5
5.8

Forefoot Firmness  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Forefoot Firmness
 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Firmness

Firmness At 800N 
 

87.4 N/mm
78.3 N/mm

Firmness At 1300N 
 

162.4 N/mm
138.3 N/mm

Firmness At 2050N 
 

272.8 N/mm
249.4 N/mm

Forefoot Long Run Cushioning 
 

8.6
8.7

Forefoot Long Run Cushioning  

 Preview Graph
adidas Adizero Prime X 2.0 STRUNG Forefoot Long Run Cushioning
 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

9.58 J
9.74 J

Energy Absorbed At 20km 
 

9.50 J
9.63 J

Energy Absorbed At 30km 
 

9.44 J
9.54 J

Energy Absorbed At 40km 
 

9.41 J
9.46 J

Rocker Stiffness 
 

9.3

Forefoot Rocker Stiffness Video  

Forefoot Rocker Stiffness Graph  

 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

181 N

Forefoot Bending Energy Return 
 

8.7

Forefoot Bending Video  

Forefoot Bending Energy Return  

 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

77.8%

Forefoot Bending Stiffness 
 

9.6

Forefoot Bending Resistance Picture  

adidas Adizero Prime X3 STRUNG Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

 Preview Graph
adidas Adizero Prime X3 STRUNG Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

43.2 N/mm

Forefoot Bending Force 
 

542 N

adidas Adizero Prime X 2.0 STRUNG

adidas Adizero Prime X3 STRUNG

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