Products
Tested using Methodology v0.12
Updated Jun 16, 2026 05:50 PM
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Amazon
Tested using Methodology v0.16
Updated Aug 27, 2026 08:04 PM
This review is in Early access
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Amazon
Heel Stack Height
37.3 mm
Weight
291.7 g (10.29 oz)
Heel-To-Toe Drop
9.9 mm
Plate
None
Heel Stack Height
38.1 mm
Weight
279.1 g (9.84 oz)
Heel-To-Toe Drop
7.6 mm
Plate
None
Our Verdict
PUMA ForeverRUN NITRO 2
PUMA ForeverRun NITRO 3
Full comparison details regarding individual product score sets can be found in the section below
Variants
- ForeverRUN NITRO 2 (Black/White - (Men - US 9))
- ForeverRUN NITRO 2 (Cool Weather/Yellow Alert - (Women - US 7))
- ForeverRun NITRO 3 (Chambray Blue/White - (Women - US 7))
- ForeverRun NITRO 3 (Light Lavender/Inky Depths - (Women - US 7))
Main Differences for
Half/Full Marathon Racing
Half/Full Marathon Racing
Threshold
Half/Full Marathon Racing
5.9
Heel Stack Height
37.3 mm
Full Comparison
Design
Weight
4.7
Right Shoe Weight Photo
Left Shoe Weight Photo
Weight
291.7 g (10.29 oz)
Stack Heights
Stack Height Photo
Heel Stack Height
37.3 mm
Forefoot Stack Height
27.4 mm
Heel-To-Toe Drop
9.9 mm
Advertised Heel-To-Toe Drop
10.0 mm
External Shape
3D Model Full Shoe
Preview 3D
Outsole Heel Width
93 mm (3.7")
Outsole Arch Width
75 mm (3.0")
Outsole Forefoot Width
111 mm (4.4")
Heel Width-To-Stack Ratio
2.49
Forefoot Width-To-Stack Ratio
4.05
Internal Shape
3D Model Internal
Preview 3D
Internal Length
279 mm (11.0")
Internal Heel Width
66 mm (2.6")
Internal Forefoot Width
91 mm (3.6")
Wide Sizing Available
Yes
Forefoot Fit: Width
9.5
Forefoot Width Photo
Ball-Of-Foot TTS Deviation
0.3 mm (0.013")
Toe TTS Deviation
-2.6 mm (-0.102")
Forefoot Fit: Height
10
Forefoot Height Photo
Toe TTS Deviation
0.5 mm (0.020")
Arch Fit: Width
6.8
Arch Fit Photo
Arch Width TTS Deviation
-4.9 mm (-0.192")
Length Fit
5.0
Toe Clearance Photo
Heel Rocker Geometry
5.6
Heel Rocker Photo
Heel Spring
15 mm (0.6")
Heel Apex Position
23.2%
Heel Rocker Angle
12.4°
Forefoot Rocker Geometry
5.9
Forefoot Rocker Photo
Toe Spring
40 mm (1.6")
Toe Apex Position
61.8%
Forefoot Rocker Angle
20.9°
Foam
Primary Foam Picture
Secondary Foam Picture
Primary Foam Name
Primary Foam Type
Secondary Foam Name
Secondary Foam Type
Laces
Laces Picture
Lace Type
Width
Thickness
Stretch
Breathability
Breathability Video
Upper Breathability
Upper Microscope Photo
Time-To-Dry
Time-To-Dry Timelapse
Time-To-Dry Graph
Time To 30% Dry
Time To 70% Dry
Time To Dry
Water Absorption
Dry Weight Photo
Wet Weight Photo
Water Absorbed
Other Features
Other Features Photo
Tongue Gusset Type
Non-gusseted
Plate
None
Performance
Heel Compression Energy Return
3.1
Heel Compression Video
Heel Energy Return
Preview Graph
Heel Energy Return
69.6%
Forefoot Compression Energy Return
5.5
Forefoot Compression Video
Forefoot Energy Return
Preview Graph
Forefoot Energy Return
72.6%
Heel Cushioning
6.7
Heel Cushioning Picture
Heel Cushioning
Preview Graph
Energy Absorbed At 550N
3.22 J
Energy Absorbed At 1100N
8.32 J
Energy Absorbed At 1900N
14.03 J
Forefoot Cushioning
6.8
Forefoot Cushioning Picture
Forefoot Cushioning
Preview Graph
Energy Absorbed At 800N
4.31 J
Energy Absorbed At 1300N
7.26 J
Energy Absorbed At 2050N
10.60 J
Heel Firmness
8.5
Heel Firmness Graph
Preview Graph
Firmness At 550N
46.0 N/mm
Firmness At 1100N
59.8 N/mm
Firmness At 1900N
85.0 N/mm
Forefoot Firmness
8.9
Forefoot Firmness Graph
Preview Graph
Firmness At 800N
63.4 N/mm
Firmness At 1300N
83.8 N/mm
Firmness At 2050N
117 N/mm
Forefoot Long Run Cushioning
6.1
Forefoot Long Run Cushioning
Preview Graph
Energy Absorbed At 10km
6.73 J
Energy Absorbed At 20km
6.53 J
Energy Absorbed At 30km
6.40 J
Energy Absorbed At 40km
6.30 J
Rocker Stiffness
5.7
Forefoot Rocker Stiffness Video
Forefoot Rocker Stiffness Graph
Preview Graph
Force To Flatten The Rocker
54 N
Forefoot Bending Energy Return
5.8
Forefoot Bending Video
Forefoot Bending Energy Return
Preview Graph
Forefoot Bending Energy Return
59.8%
Forefoot Bending Stiffness
7.0
Forefoot Bending Resistance Picture
Forefoot Bending Resistance
Preview Graph
Forefoot Bending Stiffness
9.9 N/mm
Forefoot Bending Force
301 N
Heel Compression Depth
Heel Compression Graph
Heel Compression At 550N
Heel Compression At 1100N
Heel Compression At 1900N
Forefoot Compression Depth
Forefoot Compression Graph
Forefoot Compression At 800N
Forefoot Compression At 1300N
Forefoot Compression At 2050N
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PUMA ForeverRUN NITRO 2
PUMA ForeverRun NITRO 3
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PUMA ForeverRUN NITRO 2 vs PUMA ForeverRun NITRO 3: Main Discussion
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