adidas Runfalcon 6 CLOUDFOAM vs Adizero Evo SL: Which Running Shoe Is Better?

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Tested using Methodology v0.15

Updated Jul 23, 2026 12:47 PM

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Adidas.com

Tested using Methodology v0.15

Updated Aug 03, 2026 02:05 PM

This review is in Early access

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Heel Stack Height 36.9 mm

Weight 220.0 g (7.76 oz)

Heel-To-Toe Drop 6.7 mm

Plate Plastic Shank

Heel Stack Height 35.3 mm

Weight 276.9 g (9.77 oz)

Heel-To-Toe Drop 9.8 mm

Plate None

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Our Verdict

adidas Adizero Evo SL

adidas Runfalcon 6 CLOUDFOAM

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

Variants

Adizero Evo SL (Carbon/Lucid Red/Solar Slime - (Men - US 9))
Adizero Evo SL (Cloud White/Core Black/Cloud White - (Men - US 9))

Runfalcon 6 CLOUDFOAM (Alumina/Carbon/Light Brown - (Men - US 9))
Runfalcon 6 CLOUDFOAM (Black/Black/White - (Men - US 9))

Review

See adidas Adizero Evo SL Review

See adidas Runfalcon 6 CLOUDFOAM Review

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Main Differences for

Half/Full Marathon Racing

Threshold

0.10

Half/Full Marathon Racing

7.6

0.0

Heel Stack Height

36.9 mm

Lock mm

Full Comparison

Half/Full Marathon Racing

7.6

0.0

5K/10K Racing

7.3

0.0

Long Run

7.3

0.0

Daily Training

7.4

0.0

Energy Return

8.3

0.0

Stability

6.6

0.0

Cushioning

8.0

0.0

Bounciness

7.0

0.0

Snappiness

7.0

0.0

Roll

6.7

0.0

True To Size

8.9

0.0

Design

Weight

7.5

N/A

Right Shoe Weight Photo

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Left Shoe Weight Photo

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Weight

220.0 g (7.76 oz)

Lock g (Lock oz)

Stack Heights

Stack Height Photo

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Heel Stack Height

36.9 mm

Lock mm

Forefoot Stack Height

30.2 mm

Lock mm

Heel-To-Toe Drop

6.7 mm

Lock mm

Advertised Heel-To-Toe Drop

6.0 mm

Lock mm

External Shape

3D Model Full Shoe

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Outsole Heel Width

84 mm (3.3")

Lock mm (Lock")

Outsole Arch Width

64 mm (2.5")

Lock mm (Lock")

Outsole Forefoot Width

114 mm (4.5")

Lock mm (Lock")

Heel Width-To-Stack Ratio

2.27

Lock

Forefoot Width-To-Stack Ratio

3.77

Lock

Internal Shape

3D Model Internal

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Internal Length

276 mm (10.8")

Lock mm (Lock")

Internal Heel Width

61 mm (2.4")

Lock mm (Lock")

Internal Forefoot Width

94 mm (3.7")

Lock mm (Lock")

Wide Sizing Available

Locked

Forefoot Fit: Width

7.6

N/A

Forefoot Width Photo

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Ball-Of-Foot TTS Deviation

-2.2 mm (-0.085")

Lock mm (Lock")

Toe TTS Deviation

-6.4 mm (-0.253")

Lock mm (Lock")

Forefoot Fit: Height

8.5

N/A

Forefoot Height Photo

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Toe TTS Deviation

-2.1 mm (-0.081")

Lock mm (Lock")

Arch Fit: Width

8.5

N/A

Arch Fit Photo

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Arch Width TTS Deviation

-2.6 mm (-0.103")

Lock mm (Lock")

Length Fit

N/A

Toe Clearance Photo

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Heel Rocker Geometry

7.4

N/A

Heel Rocker Photo

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Heel Spring

21 mm (0.8")

Lock mm (Lock")

Heel Apex Position

20.3%

Lock%

Heel Rocker Angle

19.3°

Lock°

Forefoot Rocker Geometry

7.2

N/A

Forefoot Rocker Photo

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Toe Spring

49 mm (1.9")

Lock mm (Lock")

Toe Apex Position

62.7%

Lock%

Forefoot Rocker Angle

24.0°

Lock°

Foam

Primary Foam Picture

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Secondary Foam Picture

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Primary Foam Name

Lightstrike Pro

Locked

Primary Foam Type

TPEE

Locked

Secondary Foam Name

N/A

Secondary Foam Type

N/A

Laces

Laces Picture

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Lace Type

Flat

Locked

Width

5.0 mm (0.2")

Lock mm (Lock")

Thickness

1.1 mm (0.0")

Lock mm (Lock")

Stretch

6.0%

Lock%

Other Features

Other Features Photo

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Tongue Gusset Type

Non-gusseted

Locked

Plate

Plastic Shank

Locked

Performance

Heel Compression Energy Return

8.1

N/A

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Heel Energy Return

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Heel Energy Return

81.4%

Lock%

Forefoot Compression Energy Return

8.4

N/A

Forefoot Compression Video

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Forefoot Energy Return

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Forefoot Energy Return

83.3%

Lock%

Heel Cushioning

8.0

N/A

Heel Cushioning Picture

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Energy Absorbed At 550N

3.46 J

Lock J

Energy Absorbed At 1100N

10.03 J

Lock J

Energy Absorbed At 1900N

17.07 J

Lock J

Forefoot Cushioning

8.1

N/A

Forefoot Cushioning Picture

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Forefoot Cushioning

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Energy Absorbed At 800N

5.16 J

Lock J

Energy Absorbed At 1300N

8.87 J

Lock J

Energy Absorbed At 2050N

12.68 J

Lock J

Heel Firmness

7.7

N/A

Heel Firmness Graph

Preview Graph

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Firmness At 550N

44.0 N/mm

Lock N/mm

Firmness At 1100N

52.8 N/mm

Lock N/mm

Firmness At 1900N

73.9 N/mm

Lock N/mm

Forefoot Firmness

7.5

N/A

Forefoot Firmness Graph

Preview Graph

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Firmness At 800N

53.9 N/mm

Lock N/mm

Firmness At 1300N

70.3 N/mm

Lock N/mm

Firmness At 2050N

98 N/mm

Lock N/mm

Forefoot Long Run Cushioning

7.6

N/A

Forefoot Long Run Cushioning

Preview Graph

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Energy Absorbed At 10km

8.31 J

Lock J

Energy Absorbed At 20km

8.17 J

Lock J

Energy Absorbed At 30km

8.07 J

Lock J

Energy Absorbed At 40km

7.99 J

Lock J

Rocker Stiffness

6.1

N/A

Forefoot Rocker Stiffness Video

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Forefoot Rocker Stiffness Graph

Preview Graph

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Force To Flatten The Rocker

63 N

Lock N

Forefoot Bending Energy Return

7.7

N/A

Forefoot Bending Video

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Forefoot Bending Energy Return

Preview Graph

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Forefoot Bending Energy Return

69.4%

Lock%

Forefoot Bending Stiffness

6.4

N/A

Forefoot Bending Resistance Picture

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Forefoot Bending Resistance

Preview Graph

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Forefoot Bending Stiffness

9.4 N/mm

Lock N/mm

Forefoot Bending Force

247 N

Lock N

Heel Compression Depth

6.0

N/A

Heel Compression Graph

Preview Graph

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Heel Compression At 550N

12.5 mm

Lock mm

Heel Compression At 1100N

20.8 mm

Lock mm

Heel Compression At 1900N

25.7 mm

Lock mm

Forefoot Compression Depth

6.3

N/A

Forefoot Compression Graph

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Forefoot Compression At 800N

14.8 mm

Lock mm

Forefoot Compression At 1300N

18.5 mm

Lock mm

Forefoot Compression At 2050N

20.8 mm

Lock mm

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adidas Adizero Evo SL

adidas Runfalcon 6 CLOUDFOAM

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Comparison

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adidas Adizero Evo SL vs adidas Runfalcon 6 CLOUDFOAM: Main Discussion

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adidas Adizero Evo SL vs Runfalcon 6 CLOUDFOAM

Which Running Shoe Is Better?

Products

Our Verdict

Variants

Review

Check Price

Main Differences for Half/Full Marathon Racing

Threshold

Half/Full Marathon Racing

Heel Stack Height See Details

Full Comparison

Half/Full Marathon Racing

5K/10K Racing

Long Run

Daily Training

Energy Return

Stability

Cushioning

Bounciness

Snappiness

Roll

True To Size

Weight

Right Shoe Weight Photo

Left Shoe Weight Photo

Weight

Stack Heights

Stack Height Photo

Heel Stack Height

Forefoot Stack Height

Heel-To-Toe Drop

Advertised Heel-To-Toe Drop

External Shape

3D Model Full Shoe

Outsole Heel Width

Outsole Arch Width

Outsole Forefoot Width

Heel Width-To-Stack Ratio

Forefoot Width-To-Stack Ratio

Internal Shape

3D Model Internal

Internal Length

Internal Heel Width

Internal Forefoot Width

Wide Sizing Available

Forefoot Fit: Width

Forefoot Width Photo

Ball-Of-Foot TTS Deviation

Toe TTS Deviation

Forefoot Fit: Height

Forefoot Height Photo

Toe TTS Deviation

Arch Fit: Width

Arch Fit Photo

Arch Width TTS Deviation

Length Fit

Toe Clearance Photo

Heel Rocker Geometry

Heel Rocker Photo

Heel Spring

Heel Apex Position

Heel Rocker Angle

Forefoot Rocker Geometry

Forefoot Rocker Photo

Toe Spring

Toe Apex Position

Forefoot Rocker Angle

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

Main Differences for

Half/Full Marathon Racing

Heel Stack Height