adidas Adizero Evo SL vs Saucony Endorphin Speed 5

Which Running Shoe Is Better?

Products

adidas Adizero Evo SL
Saucony Endorphin Speed 5

Tested using Methodology v0.14

Updated Jul 08, 2026 05:23 PM

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Adidas.com

Tested using Methodology v0.11

Updated Jun 25, 2026 07:15 PM

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adidas Adizero Evo SL Picture

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Saucony Endorphin Speed 5 Picture

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  1. Recommended in 4 articles:
  2. For Men
  3. Women
  4. adidas
  5. 1

Our Verdict

adidas Adizero Evo SL

Saucony Endorphin Speed 5

The adidas Adizero Evo SL and Saucony Endorphin Speed 5 both deliver a lively, modern bounce underfoot, but they suit slightly different runners. The adidas is an unplated uptempo trainer that feels lighter on foot and maintains more consistent cushioning as runs get longer, with a midsole that absorbs impact well while still returning energy efficiently. The Saucony is a plated super trainer that feels more structured and inherently more stable, but slightly less cushioned overall. While neither shoe is truly plush, the adidas feels a touch more forgiving over extended efforts, whereas the Saucony leans into its plate-driven snap and guidance.

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Variants

  • Adizero Evo SL (Carbon/Lucid Red/Solar Slime - (Men - US 9))
  • Adizero Evo SL (Cloud White/Core Black/Cloud White - (Men - US 9))
  • Endorphin Speed 5 (Aloe - (Women - US 7))
  • Endorphin Speed 5 (Black/VO2 - (Men - US 9))
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Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

7.6
7.3

Forefoot Stack Height 
 

30.2 mm
28.0 mm

Weight  

7.5
6.8

Forefoot Long Run Cushioning 
 

7.6
6.1

Full Comparison

Design

Weight  

7.5
6.8

Right Shoe Weight Photo 
 

Compare High-Res
adidas Adizero Evo SL Right Shoe Weight Photo
Compare High-Res
Saucony Endorphin Speed 5 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
adidas Adizero Evo SL Left Shoe Weight Photo
Compare High-Res
Saucony Endorphin Speed 5 Left Shoe Weight Photo

Weight 
 

220.0 g (7.76 oz)
239.2 g (8.44 oz)

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
adidas Adizero Evo SL Stack Height Photo
Compare High-Res
Saucony Endorphin Speed 5 Stack Height Photo

Heel Stack Height 
 

36.9 mm
36.4 mm

Forefoot Stack Height 
 

30.2 mm
28.0 mm

Heel-To-Toe Drop 
 

6.7 mm
8.4 mm

Advertised Heel-To-Toe Drop 
 

6.0 mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
adidas Adizero Evo SL 3D Model Full Shoe
Preview 3D
Saucony Endorphin Speed 5 3D Model Full Shoe

Outsole Heel Width 
 

84 mm (3.3")
93 mm (3.6")

Outsole Arch Width 
 

64 mm (2.5")
66 mm (2.6")

Outsole Forefoot Width 
 

114 mm (4.5")
116 mm (4.6")

Heel Width-To-Stack Ratio 
 

2.27
2.55

Forefoot Width-To-Stack Ratio 
 

3.77
4.14

Internal Shape 
 

3D Model Internal  

Preview 3D
adidas Adizero Evo SL 3D Model Internal
Preview 3D
Saucony Endorphin Speed 5 3D Model Internal

Internal Length 
 

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

Internal Heel Width 
 

61 mm (2.4")
61 mm (2.4")

Internal Forefoot Width 
 

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

Wide Sizing Available 
 

No
No

Forefoot Fit: Width 
 

7.6
9.1

Forefoot Width Photo 
 

Compare High-Res
adidas Adizero Evo SL Forefoot Width Photo
Compare High-Res
Saucony Endorphin Speed 5 Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

-2.2 mm (-0.085")
0.7 mm (0.029")

Toe TTS Deviation 
 

-6.4 mm (-0.253")
-3.4 mm (-0.135")

Forefoot Fit: Height 
 

8.5
10

Forefoot Height Photo 
 

Compare High-Res
adidas Adizero Evo SL Forefoot Height Photo
Compare High-Res
Saucony Endorphin Speed 5 Forefoot Height Photo

Toe TTS Deviation 
 

-2.1 mm (-0.081")
0.3 mm (0.013")

Arch Fit: Width 
 

8.5
9.8

Arch Fit Photo 
 

Compare High-Res
adidas Adizero Evo SL Arch Fit Photo
Compare High-Res
Saucony Endorphin Speed 5 Arch Fit Photo

Arch Width TTS Deviation 
 

-2.6 mm (-0.103")
2.4 mm (0.094")

Length Fit 
 

10
10

Toe Clearance Photo 
 

Compare High-Res
adidas Adizero Evo SL Toe Clearance Photo
Compare High-Res
Saucony Endorphin Speed 5 Toe Clearance Photo

Heel Rocker Geometry 
 

7.4
8.0

Heel Rocker Photo 
 

Compare High-Res
adidas Adizero Evo SL Heel Rocker Photo
Compare High-Res
Saucony Endorphin Speed 5 Heel Rocker Photo

Heel Spring 
 

21 mm (0.8")
25 mm (1.0")

Heel Apex Position 
 

20.3%
19.0%

Heel Rocker Angle 
 

19.3°
24.1°

Forefoot Rocker Geometry 
 

7.2
7.9

Forefoot Rocker Photo 
 

Compare High-Res
adidas Adizero Evo SL Forefoot Rocker Photo
Compare High-Res
Saucony Endorphin Speed 5 Forefoot Rocker Photo

Toe Spring 
 

49 mm (1.9")
56 mm (2.2")

Toe Apex Position 
 

62.7%
64.3%

Forefoot Rocker Angle 
 

24.0°
28.1°

Foam 
 

Primary Foam Picture  

adidas Adizero Evo SL Primary Foam Picture

Secondary Foam Picture  

adidas Adizero Evo SL Secondary Foam Picture

Primary Foam Name 
 

Lightstrike Pro

Primary Foam Type 
 

TPEE

Secondary Foam Name 
 

N/A

Secondary Foam Type 
 

N/A

Laces 
 

Laces Picture  

adidas Adizero Evo SL Laces Picture

Lace Type 
 

Flat

Width 
 

5.0 mm (0.2")

Thickness 
 

1.1 mm (0.0")

Stretch 
 

6.0%

Other Features  

Other Features Photo 
 

Compare High-Res
adidas Adizero Evo SL Other Features Photo
Compare High-Res
Saucony Endorphin Speed 5 Other Features Photo

Tongue Gusset Type 
 

Non-gusseted
Fully-gusseted

Plate 
 

Plastic Shank
Plastic
Performance

Heel Compression Energy Return 
 

8.1
8.2

Heel Compression Video  

Heel Energy Return  

 Preview Graph
adidas Adizero Evo SL Heel Energy Return

Heel Energy Return 
 

81.4%
82.1%

Forefoot Compression Energy Return 
 

8.4
8.3

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
adidas Adizero Evo SL Forefoot Energy Return

Forefoot Energy Return 
 

83.3%
82.6%

Heel Cushioning 
 

8.0
7.0

Heel Cushioning Picture 
 

Compare High-Res
adidas Adizero Evo SL Heel Cushioning Picture
Compare High-Res
Saucony Endorphin Speed 5 Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
adidas Adizero Evo SL Heel Cushioning

Energy Absorbed At 550N 
 

3.46 J
2.99 J

Energy Absorbed At 1100N 
 

10.03 J
8.92 J

Energy Absorbed At 1900N 
 

17.07 J
15.42 J

Forefoot Cushioning 
 

8.1
6.7

Forefoot Cushioning Picture 
 

Compare High-Res
adidas Adizero Evo SL Forefoot Cushioning Picture
Compare High-Res
Saucony Endorphin Speed 5 Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
adidas Adizero Evo SL Forefoot Cushioning

Energy Absorbed At 800N 
 

5.16 J
4.18 J

Energy Absorbed At 1300N 
 

8.87 J
7.19 J

Energy Absorbed At 2050N 
 

12.68 J
10.48 J

Heel Firmness 
 

7.7
5.9

Heel Firmness  

Heel Firmness Graph  

 Preview Graph
adidas Adizero Evo SL Heel Firmness Graph

Firmness At 550N 
 

44.0 N/mm
54.3 N/mm

Firmness At 1100N 
 

52.8 N/mm
110.3 N/mm

Firmness At 1900N 
 

73.9 N/mm
267.2 N/mm

Forefoot Firmness 
 

7.5
8.6

Forefoot Firmness  

Forefoot Firmness Graph  

 Preview Graph
adidas Adizero Evo SL Forefoot Firmness Graph

Firmness At 800N 
 

53.9 N/mm
121.7 N/mm

Firmness At 1300N 
 

70.3 N/mm
245.2 N/mm

Firmness At 2050N 
 

98 N/mm
518.4 N/mm

Forefoot Long Run Cushioning 
 

7.6
6.1

Forefoot Long Run Cushioning  

 Preview Graph
adidas Adizero Evo SL Forefoot Long Run Cushioning
 Preview Graph
Saucony Endorphin Speed 5 Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

8.31 J
6.68 J

Energy Absorbed At 20km 
 

8.17 J
6.55 J

Energy Absorbed At 30km 
 

8.07 J
6.44 J

Energy Absorbed At 40km 
 

7.99 J
6.37 J

Rocker Stiffness 
 

6.1
4.8

Forefoot Rocker Stiffness Video  

Forefoot Rocker Stiffness Graph  

 Preview Graph
adidas Adizero Evo SL Forefoot Rocker Stiffness Graph
 Preview Graph
Saucony Endorphin Speed 5 Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

63 N
40 N

Forefoot Bending Energy Return 
 

7.7
7.7

Forefoot Bending Video  

Forefoot Bending Energy Return  

 Preview Graph
adidas Adizero Evo SL Forefoot Bending Energy Return
 Preview Graph
Saucony Endorphin Speed 5 Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

69.4%
69.3%

Forefoot Bending Stiffness 
 

6.4
6.8

Forefoot Bending Resistance Picture 
 

Compare High-Res
adidas Adizero Evo SL Forefoot Bending Resistance Picture
Compare High-Res
Saucony Endorphin Speed 5 Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

 Preview Graph
adidas Adizero Evo SL Forefoot Bending Resistance
 Preview Graph
Saucony Endorphin Speed 5 Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

9.4 N/mm
10.9 N/mm

Forefoot Bending Force 
 

247 N
259 N

adidas Adizero Evo SL

Saucony Endorphin Speed 5

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