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Kiprun Kipstorm Tempo vs R.A.D UFO

Which Running Shoe Is Better?

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

Products

Kiprun Kipstorm Tempo 
early access
R.A.D UFO

Tested using Methodology v0.10

Updated Apr 24, 2026 07:17 PM

This review is in Early access

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Tested using Methodology v0.11

Updated Apr 30, 2026 06:18 PM

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R.A.D
Kiprun Kipstorm Tempo Picture

Track

R.A.D UFO Picture

Track

Weight
227.0 g (8.01 oz)
Heel-To-Toe Drop
13.6 mm
Plate
None
Weight
247.4 g (8.73 oz)
Heel-To-Toe Drop
8.1 mm
Plate
None

Our Verdict

Kiprun Kipstorm Tempo

R.A.D UFO

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

GIFT THIS COMPARISON

0 

Variants

  • Kipstorm Tempo (Foggy Blue/Fluo Neon Pink - (Men - US 9))
  • Kipstorm Tempo (Foggy Blue/Fluo Neon Pink - (Women - US 7))
  • UFO (Highlighter Pink - (Men - US 9))
  • UFO (Racing Blue - (Women - US 7))

Review

See Kiprun Kipstorm Tempo Review
See R.A.D UFO Review
3 
0 

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Main Differences for
Marathon Racing

Threshold 

0.10

Marathon Racing 
 

0.0
7.7
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Full Comparison

Design

Weight  

N/A
6.5

Right Shoe Weight Photo  

Kiprun Kipstorm Tempo Right Shoe Weight Photo Sample

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R.A.D UFO Right Shoe Weight Photo

Left Shoe Weight Photo  

Kiprun Kipstorm Tempo Left Shoe Weight Photo Sample

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R.A.D UFO Left Shoe Weight Photo

Weight 
 

Lock g (Lock oz)
247.4 g (8.73 oz)

Stack Heights 
 

Stack Height Photo  

Kiprun Kipstorm Tempo Stack Height Photo Sample

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R.A.D UFO Stack Height Photo

Heel Stack Height 
 

Lock mm
43.4 mm

Forefoot Stack Height 
 

Lock mm
35.3 mm

Heel-To-Toe Drop 
 

Lock mm
8.1 mm

Advertised Heel-To-Toe Drop 
 

Lock mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Kiprun Kipstorm Tempo 3D Model Full Shoe Sample

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R.A.D UFO 3D Model Full Shoe

Outsole Heel Width 
 

Lock mm (Lock")
100 mm (3.9")

Outsole Arch Width 
 

Lock mm (Lock")
81 mm (3.2")

Outsole Forefoot Width 
 

Lock mm (Lock")
119 mm (4.7")

Heel Width-To-Stack Ratio 
 

Lock
2.30

Forefoot Width-To-Stack Ratio 
 

Lock
3.37

Internal Shape 
 

3D Model Internal  

Kiprun Kipstorm Tempo 3D Model Internal Sample

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R.A.D UFO 3D Model Internal

Internal Length 
 

Lock mm (Lock")
279 mm (11.0")

Internal Heel Width 
 

Lock mm (Lock")
65 mm (2.6")

Internal Forefoot Width 
 

Lock mm (Lock")
91 mm (3.6")

Wide Sizing Available 
 

Locked
No

Forefoot Fit: Width 
 

N/A
8.6

Forefoot Width Photo  

Kiprun Kipstorm Tempo Forefoot Width Photo Sample

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R.A.D UFO Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

Lock mm (Lock")
0.1 mm (0.004")

Toe TTS Deviation 
 

Lock mm (Lock")
-5.3 mm (-0.209")

Forefoot Fit: Height 
 

N/A
2.7

Forefoot Height Photo  

Kiprun Kipstorm Tempo Forefoot Height Photo Sample

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R.A.D UFO Forefoot Height Photo

Toe TTS Deviation 
 

Lock mm (Lock")
-8.5 mm (-0.335")

Arch Fit: Width 
 

N/A
9.8

Arch Fit Photo  

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R.A.D UFO Arch Fit Photo

Arch Width TTS Deviation 
 

Lock mm (Lock")
2.5 mm (0.098")

Length Fit 
 

N/A
10

Toe Clearance Photo  

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R.A.D UFO Toe Clearance Photo

Heel Rocker Geometry 
 

N/A
7.2

Heel Rocker Photo  

Kiprun Kipstorm Tempo Heel Rocker Photo Sample

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R.A.D UFO Heel Rocker Photo

Heel Spring 
 

27 mm (1.1")

Heel Apex Position 
 

34.7%

Heel Rocker Angle 
 

14.7°

Forefoot Rocker Geometry 
 

N/A
7.3

Forefoot Rocker Photo  

Kiprun Kipstorm Tempo Forefoot Rocker Photo Sample

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R.A.D UFO Forefoot Rocker Photo

Toe Spring 
 

50 mm (2.0")

Toe Apex Position 
 

56.2%

Forefoot Rocker Angle 
 

21.0°

Other Features  

Other Features Photo  

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R.A.D UFO Other Features Photo

Tongue Gusset Type 
 

Locked
Fully-gusseted

Plate 
 

Locked
None
Performance

Heel Compression Energy Return 
 

N/A
8.1

Heel Compression Video  

Kiprun Kipstorm Tempo Heel Compression Video Sample

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Heel Energy Return  

Kiprun Kipstorm Tempo Heel Energy Return Sample

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 Preview Graph
R.A.D UFO Heel Energy Return

Heel Energy Return 
 

Lock%
81.4%

Forefoot Compression Energy Return 
 

N/A
8.4

Forefoot Compression Video  

Kiprun Kipstorm Tempo Forefoot Compression Video Sample

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Forefoot Energy Return  

Kiprun Kipstorm Tempo Forefoot Energy Return Sample

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R.A.D UFO Forefoot Energy Return

Forefoot Energy Return 
 

Lock%
83.1%

Heel Cushioning 
 

N/A
8.6

Heel Cushioning Picture  

Kiprun Kipstorm Tempo Heel Cushioning Picture Sample

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R.A.D UFO Heel Cushioning Picture

Heel Cushioning  

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 Preview Graph
R.A.D UFO Heel Cushioning

Energy Absorbed At 550N 
 

Lock J
4.19 J

Energy Absorbed At 1100N 
 

Lock J
10.28 J

Energy Absorbed At 1900N 
 

Lock J
17.45 J

Forefoot Cushioning 
 

N/A
8.5

Forefoot Cushioning Picture  

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R.A.D UFO Forefoot Cushioning Picture

Forefoot Cushioning  

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 Preview Graph
R.A.D UFO Forefoot Cushioning

Energy Absorbed At 800N 
 

Lock J
5.53 J

Energy Absorbed At 1300N 
 

Lock J
9.27 J

Energy Absorbed At 2050N 
 

Lock J
13.32 J

Heel Firmness 
 

N/A
5.0

Heel Firmness  

Kiprun Kipstorm Tempo Heel Firmness Sample

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 Preview Graph
R.A.D UFO Heel Firmness

Firmness At 550N 
 

Lock N/mm
47.8 N/mm

Firmness At 1100N 
 

Lock N/mm
106.0 N/mm

Firmness At 1900N 
 

Lock N/mm
221.1 N/mm

Forefoot Firmness 
 

N/A
7.8

Forefoot Firmness  

Kiprun Kipstorm Tempo Forefoot Firmness Sample

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 Preview Graph
R.A.D UFO Forefoot Firmness

Firmness At 800N 
 

Lock N/mm
95.9 N/mm

Firmness At 1300N 
 

Lock N/mm
199.4 N/mm

Firmness At 2050N 
 

Lock N/mm
410.2 N/mm

Forefoot Long Run Cushioning 
 

N/A
8.2

Forefoot Long Run Cushioning  

Kiprun Kipstorm Tempo Forefoot Long Run Cushioning Sample

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 Preview Graph
R.A.D UFO Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

Lock J
8.97 J

Energy Absorbed At 20km 
 

Lock J
8.84 J

Energy Absorbed At 30km 
 

Lock J
8.75 J

Energy Absorbed At 40km 
 

Lock J
8.69 J

Rocker Stiffness 
 

N/A
5.9

Forefoot Rocker Stiffness Video  

Kiprun Kipstorm Tempo Forefoot Rocker Stiffness Video Sample

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Forefoot Rocker Stiffness Graph  

Kiprun Kipstorm Tempo Forefoot Rocker Stiffness Graph Sample

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R.A.D UFO Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

58 N

Forefoot Bending Energy Return 
 

N/A
8.1

Forefoot Bending Video  

Kiprun Kipstorm Tempo Forefoot Bending Video Sample

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Forefoot Bending Energy Return  

Kiprun Kipstorm Tempo Forefoot Bending Energy Return Sample

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 Preview Graph
R.A.D UFO Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

72.3%

Forefoot Bending Stiffness 
 

N/A
5.8

Forefoot Bending Resistance Picture  

Kiprun Kipstorm Tempo Forefoot Bending Resistance Picture Sample

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R.A.D UFO Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

Kiprun Kipstorm Tempo Forefoot Bending Resistance Sample

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 Preview Graph
R.A.D UFO Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

8.1 N/mm

Forefoot Bending Force 
 

221 N

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Kiprun Kipstorm Tempo

R.A.D UFO

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  1. Comparison
 • Posted 1 hour ago

Kiprun Kipstorm Tempo vs R.A.D UFO: Main Discussion

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