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Nike Streakfly 2 vs PUMA Fast-FWD NITRO Elite 2

Which Running Shoe Is Better?

    Top
    Main Differences
    Design
      WeightStack HeightsExternal ShapeInternal ShapeForefoot Fit: WidthForefoot Fit: HeightArch Fit: WidthLength FitHeel Rocker GeometryForefoot Rocker GeometryFoamOther Features
    Performance
      Heel Compression Energy ReturnForefoot Compression Energy ReturnHeel CushioningForefoot CushioningHeel FirmnessForefoot FirmnessForefoot Long Run CushioningRocker StiffnessForefoot Bending Energy ReturnForefoot Bending Stiffness
    Comments

Products

Nike Streakfly 2
PUMA Fast-FWD NITRO Elite 2 
early access

Tested using Methodology v0.12

Updated Jun 16, 2026 04:00 PM

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RoadRunnerSports.com

Tested using Methodology v0.13

Updated Jul 07, 2026 02:48 PM

This review is in Early access

SEE PRICE
PUMA
Nike Streakfly 2 Picture

Track

PUMA Fast-FWD NITRO Elite 2 Picture

Track

Weight
121.5 g (4.28 oz)
Heel-To-Toe Drop
4.1 mm
Plate
Carbon Fiber
Weight
127.1 g (4.48 oz)
Heel-To-Toe Drop
8.5 mm
Plate
Carbon Fiber

Our Verdict

Nike Streakfly 2

PUMA Fast-FWD NITRO Elite 2

Full comparison details regarding individual product score sets can be found in the section below

GIFT THIS COMPARISON

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Variants

  • Streakfly 2 (Bright Crimson/Hyper Orange/Gridiron/Lime Blast - (Men - US 9))
  • Streakfly 2 (Bright Crimson/Hyper Orange/Gridiron/Lime Blast - (Women - US 7))
  • Fast-FWD NITRO Elite 2 (Light Lavender/Ultra Red - (Men - US 9))
  • Fast-FWD NITRO Elite 2 (Light Lavender/Ultra Red - (Women - US 7))

Review

See Nike Streakfly 2 Review
See PUMA Fast-FWD NITRO Elite 2 Review
0 
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Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

6.7
0.0
No major differences between these running shoes for half/full marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

9.8
N/A

Right Shoe Weight Photo  

Nike Streakfly 2 Right Shoe Weight Photo
PUMA Fast-FWD NITRO Elite 2 Right Shoe Weight Photo Sample

SAMPLE

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for pictures & test results

Left Shoe Weight Photo  

Nike Streakfly 2 Left Shoe Weight Photo
PUMA Fast-FWD NITRO Elite 2 Left Shoe Weight Photo Sample

SAMPLE

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for pictures & test results

Weight 
 

121.5 g (4.28 oz)
Lock g (Lock oz)

Stack Heights 
 

Stack Height Photo  

Nike Streakfly 2 Stack Height Photo
PUMA Fast-FWD NITRO Elite 2 Stack Height Photo Sample

SAMPLE

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for pictures & test results

Heel Stack Height 
 

26.7 mm
Lock mm

Forefoot Stack Height 
 

22.6 mm
Lock mm

Heel-To-Toe Drop 
 

4.1 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

4.0 mm
Lock mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
Nike Streakfly 2 3D Model Full Shoe
PUMA Fast-FWD NITRO Elite 2 3D Model Full Shoe Sample

SAMPLE

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for pictures & test results

Outsole Heel Width 
 

71 mm (2.8")
Lock mm (Lock")

Outsole Arch Width 
 

48 mm (1.9")
Lock mm (Lock")

Outsole Forefoot Width 
 

99 mm (3.9")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

2.66
Lock

Forefoot Width-To-Stack Ratio 
 

4.38
Lock

Internal Shape 
 

3D Model Internal  

Preview 3D
Nike Streakfly 2 3D Model Internal
PUMA Fast-FWD NITRO Elite 2 3D Model Internal Sample

SAMPLE

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for pictures & test results

Internal Length 
 

264 mm (10.4")
Lock mm (Lock")

Internal Heel Width 
 

55 mm (2.2")
Lock mm (Lock")

Internal Forefoot Width 
 

85 mm (3.3")
Lock mm (Lock")

Wide Sizing Available 
 

No
Locked

Forefoot Fit: Width 
 

7.0
N/A

Forefoot Width Photo  

Nike Streakfly 2 Forefoot Width Photo
PUMA Fast-FWD NITRO Elite 2 Forefoot Width Photo Sample

SAMPLE

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for pictures & test results

Ball-Of-Foot TTS Deviation 
 

-5.4 mm (-0.211")
Lock mm (Lock")

Toe TTS Deviation 
 

-2.8 mm (-0.109")
Lock mm (Lock")

Forefoot Fit: Height 
 

7.6
N/A

Forefoot Height Photo  

Nike Streakfly 2 Forefoot Height Photo
PUMA Fast-FWD NITRO Elite 2 Forefoot Height Photo Sample

SAMPLE

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for pictures & test results

Toe TTS Deviation 
 

-2.9 mm (-0.112")
Lock mm (Lock")

Arch Fit: Width 
 

5.4
N/A

Arch Fit Photo  

Nike Streakfly 2 Arch Fit Photo
PUMA Fast-FWD NITRO Elite 2 Arch Fit Photo Sample

SAMPLE

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for pictures & test results

Arch Width TTS Deviation 
 

-6.5 mm (-0.254")
Lock mm (Lock")

Length Fit 
 

7.0
N/A

Toe Clearance Photo  

Nike Streakfly 2 Toe Clearance Photo
PUMA Fast-FWD NITRO Elite 2 Toe Clearance Photo Sample

SAMPLE

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for pictures & test results

Heel Rocker Geometry 
 

3.6
N/A

Heel Rocker Photo  

Nike Streakfly 2 Heel Rocker Photo
PUMA Fast-FWD NITRO Elite 2 Heel Rocker Photo Sample

SAMPLE

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for pictures & test results

Heel Spring 
 

5 mm (0.2")
Lock mm (Lock")

Heel Apex Position 
 

3.9%
Lock%

Heel Rocker Angle 
 

26.6°
Lock°

Forefoot Rocker Geometry 
 

8.3
N/A

Forefoot Rocker Photo  

Nike Streakfly 2 Forefoot Rocker Photo
PUMA Fast-FWD NITRO Elite 2 Forefoot Rocker Photo Sample

SAMPLE

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for pictures & test results

Toe Spring 
 

57 mm (2.2")
Lock mm (Lock")

Toe Apex Position 
 

59.8%
Lock%

Forefoot Rocker Angle 
 

28.7°
Lock°

Foam 
 

Primary Foam Picture  

PUMA Fast-FWD NITRO Elite 2 Primary Foam Picture Sample

SAMPLE

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Secondary Foam Picture  

PUMA Fast-FWD NITRO Elite 2 Secondary Foam Picture Sample

SAMPLE

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Primary Foam Name 
 

Locked

Primary Foam Type 
 

Locked

Secondary Foam Name 
 

Locked

Secondary Foam Type 
 

Locked

Other Features  

Other Features Photo  

Nike Streakfly 2 Other Features Photo
PUMA Fast-FWD NITRO Elite 2 Other Features Photo Sample

SAMPLE

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for pictures & test results

Tongue Gusset Type 
 

Non-gusseted
Locked

Plate 
 

Carbon Fiber
Locked
Performance

Heel Compression Energy Return 
 

8.3
N/A

Heel Compression Video  

PUMA Fast-FWD NITRO Elite 2 Heel Compression Video Sample

SAMPLE

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for videos & test results

Heel Energy Return  

 Preview Graph
Nike Streakfly 2 Heel Energy Return
PUMA Fast-FWD NITRO Elite 2 Heel Energy Return Sample

SAMPLE

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for pictures & test results

Heel Energy Return 
 

82.9%
Lock%

Forefoot Compression Energy Return 
 

8.5
N/A

Forefoot Compression Video  

PUMA Fast-FWD NITRO Elite 2 Forefoot Compression Video Sample

SAMPLE

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Forefoot Energy Return  

 Preview Graph
Nike Streakfly 2 Forefoot Energy Return
PUMA Fast-FWD NITRO Elite 2 Forefoot Energy Return Sample

SAMPLE

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for pictures & test results

Forefoot Energy Return 
 

84.0%
Lock%

Heel Cushioning 
 

4.3
N/A

Heel Cushioning Picture  

Nike Streakfly 2 Heel Cushioning Picture
PUMA Fast-FWD NITRO Elite 2 Heel Cushioning Picture Sample

SAMPLE

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for pictures & test results

Heel Cushioning  

 Preview Graph
Nike Streakfly 2 Heel Cushioning
PUMA Fast-FWD NITRO Elite 2 Heel Cushioning Sample

SAMPLE

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for pictures & test results

Energy Absorbed At 550N 
 

2.85 J
Lock J

Energy Absorbed At 1100N 
 

5.95 J
Lock J

Energy Absorbed At 1900N 
 

9.03 J
Lock J

Forefoot Cushioning 
 

5.3
N/A

Forefoot Cushioning Picture  

Nike Streakfly 2 Forefoot Cushioning Picture
PUMA Fast-FWD NITRO Elite 2 Forefoot Cushioning Picture Sample

SAMPLE

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Forefoot Cushioning  

 Preview Graph
Nike Streakfly 2 Forefoot Cushioning
PUMA Fast-FWD NITRO Elite 2 Forefoot Cushioning Sample

SAMPLE

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for pictures & test results

Energy Absorbed At 800N 
 

3.60 J
Lock J

Energy Absorbed At 1300N 
 

5.68 J
Lock J

Energy Absorbed At 2050N 
 

7.94 J
Lock J

Heel Firmness 
 

8.8
N/A

Heel Firmness Graph  

 Preview Graph
Nike Streakfly 2 Heel Firmness Graph
PUMA Fast-FWD NITRO Elite 2 Heel Firmness Graph Sample

SAMPLE

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for pictures & test results

Firmness At 550N 
 

45.0 N/mm
Lock N/mm

Firmness At 1100N 
 

67.9 N/mm
Lock N/mm

Firmness At 1900N 
 

103.6 N/mm
Lock N/mm

Forefoot Firmness 
 

9.2
N/A

Forefoot Firmness Graph  

 Preview Graph
Nike Streakfly 2 Forefoot Firmness Graph
PUMA Fast-FWD NITRO Elite 2 Forefoot Firmness Graph Sample

SAMPLE

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for pictures & test results

Firmness At 800N 
 

65.7 N/mm
Lock N/mm

Firmness At 1300N 
 

91.4 N/mm
Lock N/mm

Firmness At 2050N 
 

131 N/mm
Lock N/mm

Forefoot Long Run Cushioning 
 

5.1
N/A

Forefoot Long Run Cushioning  

 Preview Graph
Nike Streakfly 2 Forefoot Long Run Cushioning
PUMA Fast-FWD NITRO Elite 2 Forefoot Long Run Cushioning Sample

SAMPLE

Join Now

for pictures & test results

Energy Absorbed At 10km 
 

5.57 J
Lock J

Energy Absorbed At 20km 
 

5.48 J
Lock J

Energy Absorbed At 30km 
 

5.43 J
Lock J

Energy Absorbed At 40km 
 

5.38 J
Lock J

Rocker Stiffness 
 

8.0
N/A

Forefoot Rocker Stiffness Video  

PUMA Fast-FWD NITRO Elite 2 Forefoot Rocker Stiffness Video Sample

SAMPLE

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for videos & test results

Forefoot Rocker Stiffness Graph  

 Preview Graph
Nike Streakfly 2 Forefoot Rocker Stiffness Graph
PUMA Fast-FWD NITRO Elite 2 Forefoot Rocker Stiffness Graph Sample

SAMPLE

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for pictures & test results

Force To Flatten The Rocker 
 

119 N
Lock N

Forefoot Bending Energy Return 
 

8.0
N/A

Forefoot Bending Video  

PUMA Fast-FWD NITRO Elite 2 Forefoot Bending Video Sample

SAMPLE

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for videos & test results

Forefoot Bending Energy Return  

 Preview Graph
Nike Streakfly 2 Forefoot Bending Energy Return
PUMA Fast-FWD NITRO Elite 2 Forefoot Bending Energy Return Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Bending Energy Return 
 

71.9%
Lock%

Forefoot Bending Stiffness 
 

8.3
N/A

Forefoot Bending Resistance Picture  

Nike Streakfly 2 Forefoot Bending Resistance Picture
PUMA Fast-FWD NITRO Elite 2 Forefoot Bending Resistance Picture Sample

SAMPLE

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Forefoot Bending Resistance  

 Preview Graph
Nike Streakfly 2 Forefoot Bending Resistance
PUMA Fast-FWD NITRO Elite 2 Forefoot Bending Resistance Sample

SAMPLE

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for pictures & test results

Forefoot Bending Stiffness 
 

27.8 N/mm
Lock N/mm

Forefoot Bending Force 
 

291 N
Lock N

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Nike Streakfly 2

PUMA Fast-FWD NITRO Elite 2

Comments

  1. Comparison
 • Posted 1 hour ago

Nike Streakfly 2 vs PUMA Fast-FWD NITRO Elite 2: Main Discussion

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