Our Verdict
6.9
Half/Full Marathon Racing
7.8
5K/10K Racing
6.9
Long Run
6.2
Daily Training
7.7
Energy Return
7.9
Responsiveness
6.9
Cushioning
7.0
Stability
9.3
True To Size
6.9
Half/Full Marathon Racing
7.8
5K/10K Racing
6.9
Long Run
6.2
Daily Training
Performance Usages
7.7
Energy Return
7.9
Responsiveness
6.9
Cushioning
7.0
Stability
9.3
True To Size
How We Test Running Shoes
We buy and test running shoes with a very data-oriented approach. While we're just getting started, our methodology already has dozens of tests to help you make the right purchasing decision for your needs. Not only do we use high-end equipment to gather objective data, but we also order multiple sizes of the same shoes so team members can log in miles. This real-world testing is conducted at various paces and conditions, across different types of workouts, to cover all the bases. This allows us to verify our results and ensure they align with what you might feel with a specific pair.
Test Results
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Design
Stack Heights
Heel Stack Height
37.1 mm
Forefoot Stack Height
27.1 mm
Heel-To-Toe Drop
10.0 mm
Advertised Heel-To-Toe Drop
9.0 mm
External Shape
Preview 3D
Outsole Heel Width
81 mm (3.2")
Outsole Arch Width
54 mm (2.1")
Outsole Forefoot Width
110 mm (4.3")
Heel Width-To-Stack Ratio
2.18
Forefoot Width-To-Stack Ratio
4.05
Internal Shape
Preview 3D
Internal Length
278 mm (10.9")
Internal Heel Width
62 mm (2.4")
Internal Forefoot Width
94 mm (3.7")
Wide Sizing Available
No
9.4
Forefoot Fit: Width
Ball-Of-Foot TTS Deviation
2.6 mm (0.102")
Toe TTS Deviation
3.4 mm (0.133")
6.7
Forefoot Rocker Geometry
Toe Spring
46 mm (1.8")
Toe Apex Position
62.1%
Forefoot Rocker Angle
22.7°
Performance
7.2
Heel Cushioning
Preview Graph
Energy Absorbed At 550N
3.15 J
Energy Absorbed At 1100N
9.10 J
Energy Absorbed At 1900N
15.02 J
6.5
Forefoot Cushioning
Preview Graph
Energy Absorbed At 800N
3.89 J
Energy Absorbed At 1300N
7.02 J
Energy Absorbed At 2050N
10.60 J
9.7
Heel Firmness
Firmness At 550N
55.8 N/mm
Firmness At 1100N
117.0 N/mm
Firmness At 1900N
279.3 N/mm
10
Forefoot Firmness
Firmness At 800N
118.5 N/mm
Firmness At 1300N
229.3 N/mm
Firmness At 2050N
462 N/mm
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