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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Weight
    2. Stack Heights
    3. External Shape
    4. Internal Shape
    5. Other Features
  5. Performance
    1. Heel Energy Return
    2. Forefoot Energy Return
    3. Heel Cushioning
    4. Forefoot Cushioning
    5. Heel Firmness
    6. Forefoot Firmness
  6. Comments

Saucony Endorphin Pro 4 vs Nike Alphafly 3

Side-by-Side Comparison

Products

Saucony Endorphin Pro 4
Nike Alphafly 3

Tested using Methodology v0.8

Updated Apr 11, 2025 03:13 PM

SEE PRICE
Amazon.com

Tested using Methodology v0.8

Updated Apr 11, 2025 08:37 PM

Amazon.com
Saucony Endorphin Pro 4 Picture
Nike Alphafly 3 Picture
  1. Recommended in 1 article:
  2. Running Shoes

Variants

  • Endorphin Pro 4 (Navy/Citron - (Men - US 9))
  • Endorphin Pro 4 (White/Violet - (Women - US 7))
  • Alphafly 3 (Sail/Crimson Tint/Guava Ice/Black - (Women - US 7))
  • Alphafly 3 (Volt/Dusty Cactus/Total - (Men - US 9))

Our Verdict

Saucony Endorphin Pro 4

Nike Alphafly 3

The Nike Alphafly 3 and the Saucony Endorphin Pro 4 are both high-performance racing shoes, but they cater to different types of runners and preferences. The Saucony is stiffer in the forefoot, providing a more structured toe-off. It also offers greater lateral stability than the Nike, benefiting runners who need extra support during turns. Additionally, its geometry is particularly well-suited for heel strikers. On the other hand, the Nike shoe excels in energy return and overall cushioning, maximizing efficiency over long distances. While the Saucony is an excellent option for both racing and versatile enough for workouts, the Nike remains hard to beat for those prioritizing raw speed and performance.

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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 

7.9
8.3

Weight  

7.7
8.2

Full Comparison

Design

Weight  

7.7
8.2

Right Shoe Weight Photo  

Saucony Endorphin Pro 4 Right Shoe Weight Photo
Nike Alphafly 3 Right Shoe Weight Photo

Left Shoe Weight Photo  

Saucony Endorphin Pro 4 Left Shoe Weight Photo
Nike Alphafly 3 Left Shoe Weight Photo

Weight 
 

214.9 g (7.58 oz)
200.7 g (7.08 oz)
Show Text 

Stack Heights 
 

Stack Height Photo  

Saucony Endorphin Pro 4 Stack Height Photo
Nike Alphafly 3 Stack Height Photo

Heel Stack Height 
 

39.3 mm
39.8 mm

Forefoot Stack Height 
 

30.5 mm
33.4 mm

Heel-To-Toe Drop 
 

8.8 mm
6.4 mm

Advertised Heel-To-Toe Drop 
 

8.0 mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Saucony Endorphin Pro 4 3D Model Full Shoe
Nike Alphafly 3 3D Model Full Shoe

Outsole Heel Width 
 

87 mm (3.4")
91 mm (3.6")

Outsole Arch Width 
 

74 mm (2.9")
68 mm (2.7")

Outsole Forefoot Width 
 

114 mm (4.5")
91 mm (3.6")

Internal Shape 
 

3D Model Internal  

Saucony Endorphin Pro 4 3D Model Internal
Nike Alphafly 3 3D Model Internal

Internal Length 
 

270 mm (10.6")
273 mm (10.7")

Internal Heel Width 
 

53 mm (2.1")
59 mm (2.3")

Internal Forefoot Width 
 

87 mm (3.4")
90 mm (3.5")

Other Features  

Other Features Photo  

Saucony Endorphin Pro 4 Other Features Photo
Nike Alphafly 3 Other Features Photo

Tongue Gusset Type 
 

Non-gusseted
Non-gusseted

Plate 
 

Carbon Fiber
Carbon Fiber
Performance

Heel Energy Return 
 

8.3
8.1

Heel Compression Video  

Heel Energy Return  

See details on graph tool
See details on graph tool

Heel Energy Return 
 

87.3%
86.0%
Show Text 

Forefoot Energy Return 
 

8.2
8.5

Forefoot Compression Video  

Forefoot Energy Return  

See details on graph tool
See details on graph tool

Forefoot Energy Return 
 

86.5%
88.4%
Show Text 

Heel Cushioning 
 

7.1
8.2

Heel Cushioning Picture  

Saucony Endorphin Pro 4 Heel Cushioning Picture
Nike Alphafly 3 Heel Cushioning Picture

Heel Cushioning  

See details on graph tool
See details on graph tool

Energy Absorbed At 300N 
 

1.11 J
1.33 J

Energy Absorbed At 600N 
 

3.42 J
4.06 J

Energy Absorbed At 900N 
 

6.21 J
6.75 J
Show Text 

Forefoot Cushioning 
 

7.1
7.5

Forefoot Cushioning Picture  

Saucony Endorphin Pro 4 Forefoot Cushioning Picture
Nike Alphafly 3 Forefoot Cushioning Picture

Forefoot Cushioning  

See details on graph tool
See details on graph tool

Energy Absorbed At 300N 
 

0.99 J
0.87 J

Energy Absorbed At 600N 
 

2.72 J
2.93 J

Energy Absorbed At 900N 
 

4.57 J
5.27 J
Show Text 

Heel Firmness 
 

6.7
5.6

Heel Firmness  

See details on graph tool
See details on graph tool

Average Firmness 0 To 300N 
 

38.4 N/mm
32.4 N/mm

Average Firmness 300 To 600N 
 

58.0 N/mm
49.2 N/mm

Average Firmness 600 To 900N 
 

80.4 N/mm
83.1 N/mm
Show Text 

Forefoot Firmness 
 

8.8
8.1

Forefoot Firmness  

See details on graph tool
See details on graph tool

Average Firmness 0 To 300N 
 

43.6 N/mm
49.0 N/mm

Average Firmness 300 To 600N 
 

77.2 N/mm
65.0 N/mm

Average Firmness 600 To 900N 
 

121.8 N/mm
95.7 N/mm
Show Text 

Saucony Endorphin Pro 4

Nike Alphafly 3

Comments

  1. Comparison

Saucony Endorphin Pro 4 vs Nike Alphafly 3: Main Discussion

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