Products
Saucony Endorphin Pro 4
Nike Alphafly 3
Tested using Methodology v0.9
Updated Nov 14, 2025 09:26 PM
SEE PRICE
Saucony
Tested using Methodology v0.9
Updated Oct 17, 2025 07:42 PM
SEE PRICE
Nike.com
Weight
214.9 g (7.58 oz)
Heel-To-Toe Drop
8.8 mm
Plate
Carbon Fiber
Weight
200.7 g (7.08 oz)
Heel-To-Toe Drop
6.4 mm
Plate
Carbon Fiber
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 slightly better 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 is lighter while still delivering better 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.
Variants
- Endorphin Pro 4 (Cavern/Violet - (Women - US 7))
- Endorphin Pro 4 (Citron/Silver - (Men - US 9))
- Endorphin Pro 4 (Citron/Silver - (Women - US 7))
- Endorphin Pro 4 (Fog/Peel - (Men - US 9))
- Endorphin Pro 4 (Fog/Peel - (Women - US 7))
- Endorphin Pro 4 (Mirage/Citron - (Women - US 7))
- Endorphin Pro 4 (Navy/Citron - (Men - US 9))
- Endorphin Pro 4 (Olivine/Black - (Men - US 9))
- Endorphin Pro 4 (Pepper/Navy - (Men - US 9))
- Endorphin Pro 4 (White/Black/Orange - (Men - US 9))
- Endorphin Pro 4 (White/Shadow - (Men - US 9))
- Endorphin Pro 4 (White/Silver - (Men - US 9))
- Endorphin Pro 4 (White/Silver - (Women - US 7))
- Endorphin Pro 4 (White/Violet - (Women - US 7))
- Alphafly 3 (Black/Olive Aura/Metallic Silver - (Men - US 9))
- Alphafly 3 (Bright Crimson/Lime Blast/Mint Foam/Cave Purple - (Men - US 9))
- Alphafly 3 (Bright Crimson/Lime Blast/Mint Foam/Cave Purple - (Women - US 7))
- Alphafly 3 (Electric Pack/Olympic Safari - (Women - US 7))
- Alphafly 3 (Football Grey/Ghost/Persian Violet/Blue Void - (Men - US 9))
- Alphafly 3 (Football Grey/Ghost/Persian Violet/Blue Void - (Women - US 7))
- Alphafly 3 (Light Army/Ironstone/Light Khaki/Desert Moss - (Men - US 9))
- Alphafly 3 (Sail/Crimson Tint/Guava Ice/Black - (Women - US 7))
- Alphafly 3 (Vapor Green/Dragon Red/Stadium Green/Black - (Men - US 9))
- Alphafly 3 (Volt/Dusty Cactus/Total - (Men - US 9))
- Alphafly 3 (White/Black/University Red/Habanero Red - (Men - US 9))
- Alphafly 3 (White/Pure Platinum/Obsidian Mist/Gridiron - (Men - US 9))
- Alphafly 3 (White/Purple Agate/Vivid Grape/Black - (Men - US 9))
Main Differences for
Marathon Racing
Marathon Racing
Threshold
Marathon Racing
8.3
8.5
Full Comparison
Design
Weight
7.7
8.1
Right Shoe Weight Photo
Left Shoe Weight Photo
Weight
214.9 g (7.58 oz)
200.7 g (7.08 oz)
Stack Heights
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
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")
116 mm (4.6")
Heel Width-To-Stack Ratio
2.21
2.29
Forefoot Width-To-Stack Ratio
3.74
3.47
Internal Shape
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")
Wide Sizing Available
No
No
Other Features
Other Features Photo
Tongue Gusset Type
Non-gusseted
Non-gusseted
Plate
Carbon Fiber
Carbon Fiber
Performance
Heel Energy Return
8.4
8.2
Heel Compression Video
Heel Energy Return
Heel Energy Return
83.2%
82.0%
Forefoot Energy Return
8.3
8.2
Forefoot Compression Video
Forefoot Energy Return
Forefoot Energy Return
82.6%
82.2%
Heel Cushioning
7.4
7.6
Heel Cushioning Picture
Heel Cushioning
Energy Absorbed At 550N
3.14 J
3.82 J
Energy Absorbed At 1100N
9.21 J
9.18 J
Energy Absorbed At 1900N
16.16 J
14.96 J
Forefoot Cushioning
7.1
8.0
Forefoot Cushioning Picture
Forefoot Cushioning
Energy Absorbed At 800N
4.33 J
4.68 J
Energy Absorbed At 1300N
7.59 J
8.55 J
Energy Absorbed At 2050N
11.50 J
13.10 J
Heel Firmness
5.6
5.9
Heel Firmness
Firmness At 550N
55.2 N/mm
49.4 N/mm
Firmness At 1100N
103.1 N/mm
129.6 N/mm
Firmness At 1900N
250.7 N/mm
277.3 N/mm
Forefoot Firmness
8.1
7.4
Forefoot Firmness
Firmness At 800N
115.3 N/mm
103.1 N/mm
Firmness At 1300N
215.0 N/mm
170.1 N/mm
Firmness At 2050N
416.1 N/mm
370.8 N/mm
Forefoot Long Run Cushioning
6.5
7.8
Forefoot Long Run Cushioning
Energy Absorbed At 10km
7.05 J
8.41 J
Energy Absorbed At 20km
6.93 J
8.33 J
Energy Absorbed At 30km
6.84 J
8.27 J
Energy Absorbed At 40km
6.76 J
8.24 J
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Saucony Endorphin Pro 4
Nike Alphafly 3
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Saucony Endorphin Pro 4 vs Nike Alphafly 3: Main Discussion
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