Nike Pegasus 41 vs Structure 26

Which Running Shoe Is Better?

Products

Nike Pegasus 41
Nike Structure 26

Tested using Methodology v0.9

Updated Nov 13, 2025 01:54 PM

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Nike.com

Tested using Methodology v0.9

Updated Dec 18, 2025 09:25 PM

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Amazon.com
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Our Verdict

Nike Pegasus 41

Nike Structure 26

The Nike Pegasus 41 and Nike Structure 26 are contemporary iterations of two of the swoosh's most long-running shoe series. Both have undergone numerous updates over the decades without changing their respective identities: the Pegasus a daily workhorse, and the Structure a dedicated stability trainer. Neither is built for speed, but rather for reliably plodding through miles upon miles. For runners with a neutral stride, looking for a no-fuss trainer that can endure the daily grind, the Pegasus 41 is a solid option. For runners whose form breaks down easily or who have known pronation issues, the Structure 26 is a safe choice.

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Variants

  • Pegasus 41 (Ashen Slate/Armory Navy/Black/Metallic Red Bronze - (Women - US 7))
  • Pegasus 41 (Astronomy Blue/Hot Punch Black - (Men - US 9))
  • Structure 26 (Black/Cool Grey/Metallic Silver/White - (Men - US 9))
  • Structure 26 (Black/Iron Grey/Black - (Men - US 9))

Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

4.8
5.7

Forefoot Stack Height 
 

24.6 mm
29.4 mm

Heel Stack Height 
 

36.0 mm
37.9 mm

Forefoot Energy Return 
 

5.0
3.5

Weight  

5.1
4.6

Full Comparison

Design

Weight  

5.1
4.6

Right Shoe Weight Photo 
 

Compare High-Res
Nike Pegasus 41 Right Shoe Weight Photo
Compare High-Res
Nike Structure 26 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
Nike Pegasus 41 Left Shoe Weight Photo
Compare High-Res
Nike Structure 26 Left Shoe Weight Photo

Weight 
 

283.2 g (9.99 oz)
293.9 g (10.37 oz)
Show Text 

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
Nike Pegasus 41 Stack Height Photo
Compare High-Res
Nike Structure 26 Stack Height Photo

Heel Stack Height 
 

36.0 mm
37.9 mm

Forefoot Stack Height 
 

24.6 mm
29.4 mm

Heel-To-Toe Drop 
 

11.4 mm
8.5 mm

Advertised Heel-To-Toe Drop 
 

10.0 mm
10.0 mm
Show Text 

External Shape 
 

3D Model Full Shoe  

Preview 3D
Nike Pegasus 41 3D Model Full Shoe
Preview 3D
Nike Structure 26 3D Model Full Shoe

Outsole Heel Width 
 

86 mm (3.4")
93 mm (3.7")

Outsole Arch Width 
 

63 mm (2.5")
81 mm (3.2")

Outsole Forefoot Width 
 

111 mm (4.4")
114 mm (4.5")

Heel Width-To-Stack Ratio 
 

2.39
2.46

Forefoot Width-To-Stack Ratio 
 

4.51
3.88

Internal Shape 
 

3D Model Internal  

Preview 3D
Nike Pegasus 41 3D Model Internal
Preview 3D
Nike Structure 26 3D Model Internal

Internal Length 
 

274 mm (10.8")
277 mm (10.9")

Internal Heel Width 
 

62 mm (2.4")
66 mm (2.6")

Internal Forefoot Width 
 

89 mm (3.5")
92 mm (3.6")

Wide Sizing Available 
 

Yes
Yes

Other Features  

Other Features Photo 
 

Compare High-Res
Nike Pegasus 41 Other Features Photo
Compare High-Res
Nike Structure 26 Other Features Photo

Tongue Gusset Type 
 

Fully-gusseted
Semi-gusseted

Plate 
 

None
None
Performance

Heel Energy Return 
 

3.3
2.9

Heel Compression Video  

Heel Energy Return  

 Preview Graph
Nike Pegasus 41 Heel Energy Return
 Preview Graph
Nike Structure 26 Heel Energy Return

Heel Energy Return 
 

69.8%
69.3%
Show Text 

Forefoot Energy Return 
 

5.0
3.5

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
Nike Pegasus 41 Forefoot Energy Return
 Preview Graph
Nike Structure 26 Forefoot Energy Return

Forefoot Energy Return 
 

71.9%
70.1%
Show Text 

Heel Cushioning 
 

6.1
6.9

Heel Cushioning Picture 
 

Compare High-Res
Nike Pegasus 41 Heel Cushioning Picture
Compare High-Res
Nike Structure 26 Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
Nike Pegasus 41 Heel Cushioning
 Preview Graph
Nike Structure 26 Heel Cushioning

Energy Absorbed At 550N 
 

2.72 J
2.89 J

Energy Absorbed At 1100N 
 

7.54 J
8.48 J

Energy Absorbed At 1900N 
 

14.09 J
15.38 J
Show Text 

Forefoot Cushioning 
 

5.1
5.5

Forefoot Cushioning Picture 
 

Compare High-Res
Nike Pegasus 41 Forefoot Cushioning Picture
Compare High-Res
Nike Structure 26 Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
Nike Pegasus 41 Forefoot Cushioning
 Preview Graph
Nike Structure 26 Forefoot Cushioning

Energy Absorbed At 800N 
 

3.18 J
3.33 J

Energy Absorbed At 1300N 
 

5.57 J
5.78 J

Energy Absorbed At 2050N 
 

8.15 J
8.98 J
Show Text 

Heel Firmness 
 

6.4
5.9

Heel Firmness  

 Preview Graph
Nike Pegasus 41 Heel Firmness
 Preview Graph
Nike Structure 26 Heel Firmness

Firmness At 550N 
 

73.3 N/mm
61.9 N/mm

Firmness At 1100N 
 

119.1 N/mm
109.8 N/mm

Firmness At 1900N 
 

232.6 N/mm
226.5 N/mm
Show Text 

Forefoot Firmness 
 

9.2
8.9

Forefoot Firmness  

 Preview Graph
Nike Pegasus 41 Forefoot Firmness
 Preview Graph
Nike Structure 26 Forefoot Firmness

Firmness At 800N 
 

154.8 N/mm
152.0 N/mm

Firmness At 1300N 
 

312.3 N/mm
287.6 N/mm

Firmness At 2050N 
 

615.2 N/mm
462.1 N/mm
Show Text 

Forefoot Long Run Cushioning 
 

4.7
4.8

Forefoot Long Run Cushioning  

 Preview Graph
Nike Pegasus 41 Forefoot Long Run Cushioning
 Preview Graph
Nike Structure 26 Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

5.24 J
5.35 J

Energy Absorbed At 20km 
 

5.12 J
5.21 J

Energy Absorbed At 30km 
 

5.06 J
5.12 J

Energy Absorbed At 40km 
 

5.03 J
5.07 J

Nike Pegasus 41

Nike Structure 26

Comments

  1. Comparison

Nike Pegasus 41 vs Nike Structure 26: Main Discussion

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