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Brooks Glycerin GTS 23 vs ASICS GEL-KAYANO 33

Which Running Shoe Is Better?

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

Products

Brooks Glycerin GTS 23 
early access
ASICS GEL-KAYANO 33

Tested using Methodology v0.15

Updated Aug 17, 2026 03:39 PM

This review is in Early access

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Amazon

Tested using Methodology v0.12

Updated Jul 23, 2026 06:01 PM

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Amazon
Brooks Glycerin GTS 23 Picture

Track

ASICS GEL-KAYANO 33 Picture

Track

Heel Stack Height
38.2 mm
Weight
303.4 g (10.70 oz)
Heel-To-Toe Drop
8.5 mm
Plate
None
Heel Stack Height
41.5 mm
Weight
295.9 g (10.44 oz)
Heel-To-Toe Drop
11.1 mm
Plate
None
  1. Recommended in 2 articles:
  2. ASICS
  3. Heavy Runners

Our Verdict

Brooks Glycerin GTS 23

ASICS GEL-KAYANO 33

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

GIFT THIS COMPARISON

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Variants

  • Glycerin GTS 23 (Black/Black/Ebony - (Men - US 9))
  • Glycerin GTS 23 (Black/Cyber Yellow/Nightlife - (Men - US 9))
  • GEL-KAYANO 33 (Black/Black - (Men - US 9))
  • GEL-KAYANO 33 (Black/Black - (Women - US 7))

Review

See Brooks Glycerin GTS 23 Review
See ASICS GEL-KAYANO 33 Review
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Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

0.0
6.4
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Full Comparison

Design

Weight  

N/A
4.5

Right Shoe Weight Photo  

Brooks Glycerin GTS 23 Right Shoe Weight Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Right Shoe Weight Photo

Left Shoe Weight Photo  

Brooks Glycerin GTS 23 Left Shoe Weight Photo Sample

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ASICS GEL-KAYANO 33 Left Shoe Weight Photo

Weight 
 

Lock g (Lock oz)
295.9 g (10.44 oz)

Stack Heights 
 

Stack Height Photo  

Brooks Glycerin GTS 23 Stack Height Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Stack Height Photo

Heel Stack Height 
 

Lock mm
41.5 mm

Forefoot Stack Height 
 

Lock mm
30.4 mm

Heel-To-Toe Drop 
 

Lock mm
11.1 mm

Advertised Heel-To-Toe Drop 
 

Lock mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Brooks Glycerin GTS 23 3D Model Full Shoe Sample

SAMPLE

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Preview 3D
ASICS GEL-KAYANO 33 3D Model Full Shoe

Outsole Heel Width 
 

Lock mm (Lock")
95 mm (3.7")

Outsole Arch Width 
 

Lock mm (Lock")
82 mm (3.2")

Outsole Forefoot Width 
 

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

Heel Width-To-Stack Ratio 
 

Lock
2.29

Forefoot Width-To-Stack Ratio 
 

Lock
3.91

Internal Shape 
 

3D Model Internal  

Brooks Glycerin GTS 23 3D Model Internal Sample

SAMPLE

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Preview 3D
ASICS GEL-KAYANO 33 3D Model Internal

Internal Length 
 

Lock mm (Lock")
278 mm (10.9")

Internal Heel Width 
 

Lock mm (Lock")
69 mm (2.7")

Internal Forefoot Width 
 

Lock mm (Lock")
96 mm (3.8")

Wide Sizing Available 
 

Locked
Yes

Forefoot Fit: Width 
 

N/A
9.3

Forefoot Width Photo  

Brooks Glycerin GTS 23 Forefoot Width Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

Lock mm (Lock")
3.7 mm (0.145")

Toe TTS Deviation 
 

Lock mm (Lock")
0.7 mm (0.027")

Forefoot Fit: Height 
 

N/A
6.6

Forefoot Height Photo  

Brooks Glycerin GTS 23 Forefoot Height Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Forefoot Height Photo

Toe TTS Deviation 
 

Lock mm (Lock")
-4.1 mm (-0.162")

Arch Fit: Width 
 

N/A
9.8

Arch Fit Photo  

Brooks Glycerin GTS 23 Arch Fit Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Arch Fit Photo

Arch Width TTS Deviation 
 

Lock mm (Lock")
-0.7 mm (-0.026")

Length Fit 
 

N/A
10

Toe Clearance Photo  

Brooks Glycerin GTS 23 Toe Clearance Photo Sample

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ASICS GEL-KAYANO 33 Toe Clearance Photo

Heel Rocker Geometry 
 

N/A
6.1

Heel Rocker Photo  

Brooks Glycerin GTS 23 Heel Rocker Photo Sample

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ASICS GEL-KAYANO 33 Heel Rocker Photo

Heel Spring 
 

Lock mm (Lock")
15 mm (0.6")

Heel Apex Position 
 

Lock%
15.3%

Heel Rocker Angle 
 

Lock°
18.4°

Forefoot Rocker Geometry 
 

N/A
7.8

Forefoot Rocker Photo  

Brooks Glycerin GTS 23 Forefoot Rocker Photo Sample

SAMPLE

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ASICS GEL-KAYANO 33 Forefoot Rocker Photo

Toe Spring 
 

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

Toe Apex Position 
 

Lock%
62.7%

Forefoot Rocker Angle 
 

Lock°
26.6°

Foam 
 

Primary Foam Picture  

Brooks Glycerin GTS 23 Primary Foam Picture Sample

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Secondary Foam Picture  

Brooks Glycerin GTS 23 Secondary Foam Picture Sample

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Primary Foam Name 
 

Locked

Primary Foam Type 
 

Locked

Secondary Foam Name 
 

N/A

Secondary Foam Type 
 

N/A

Laces 
 

Laces Picture  

Brooks Glycerin GTS 23 Laces Picture Sample

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Lace Type 
 

Locked

Width 
 

Lock mm (Lock")

Thickness 
 

Lock mm (Lock")

Stretch 
 

Lock%

Other Features  

Other Features Photo  

Brooks Glycerin GTS 23 Other Features Photo Sample

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ASICS GEL-KAYANO 33 Other Features Photo

Tongue Gusset Type 
 

Locked
Semi-gusseted

Plate 
 

Locked
None
Performance

Heel Compression Energy Return 
 

N/A
2.3

Heel Compression Video  

Brooks Glycerin GTS 23 Heel Compression Video Sample

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Heel Energy Return  

Brooks Glycerin GTS 23 Heel Energy Return Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Heel Energy Return

Heel Energy Return 
 

Lock%
68.3%

Forefoot Compression Energy Return 
 

N/A
4.4

Forefoot Compression Video  

Brooks Glycerin GTS 23 Forefoot Compression Video Sample

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Forefoot Energy Return  

Brooks Glycerin GTS 23 Forefoot Energy Return Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Energy Return

Forefoot Energy Return 
 

Lock%
71.1%

Heel Cushioning 
 

N/A
7.8

Heel Cushioning Picture  

Brooks Glycerin GTS 23 Heel Cushioning Picture Sample

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ASICS GEL-KAYANO 33 Heel Cushioning Picture

Heel Cushioning  

Brooks Glycerin GTS 23 Heel Cushioning Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Heel Cushioning

Energy Absorbed At 550N 
 

Lock J
3.42 J

Energy Absorbed At 1100N 
 

Lock J
9.51 J

Energy Absorbed At 1900N 
 

Lock J
16.87 J

Forefoot Cushioning 
 

N/A
7.6

Forefoot Cushioning Picture  

Brooks Glycerin GTS 23 Forefoot Cushioning Picture Sample

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ASICS GEL-KAYANO 33 Forefoot Cushioning Picture

Forefoot Cushioning  

Brooks Glycerin GTS 23 Forefoot Cushioning Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Cushioning

Energy Absorbed At 800N 
 

Lock J
4.58 J

Energy Absorbed At 1300N 
 

Lock J
8.13 J

Energy Absorbed At 2050N 
 

Lock J
12.07 J

Heel Firmness 
 

N/A
8.1

Heel Firmness Graph  

Brooks Glycerin GTS 23 Heel Firmness Graph Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Heel Firmness Graph

Firmness At 550N 
 

Lock N/mm
45.7 N/mm

Firmness At 1100N 
 

Lock N/mm
55.8 N/mm

Firmness At 1900N 
 

Lock N/mm
76.6 N/mm

Forefoot Firmness 
 

N/A
8.6

Forefoot Firmness Graph  

Brooks Glycerin GTS 23 Forefoot Firmness Graph Sample

SAMPLE

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Firmness Graph

Firmness At 800N 
 

Lock N/mm
62.1 N/mm

Firmness At 1300N 
 

Lock N/mm
79.4 N/mm

Firmness At 2050N 
 

Lock N/mm
109 N/mm

Forefoot Long Run Cushioning 
 

N/A
7.1

Forefoot Long Run Cushioning  

Brooks Glycerin GTS 23 Forefoot Long Run Cushioning Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Long Run Cushioning

Energy Absorbed At 10km 
 

Lock J
7.64 J

Energy Absorbed At 20km 
 

Lock J
7.49 J

Energy Absorbed At 30km 
 

Lock J
7.41 J

Energy Absorbed At 40km 
 

Lock J
7.36 J

Rocker Stiffness 
 

N/A
6.5

Forefoot Rocker Stiffness Video  

Brooks Glycerin GTS 23 Forefoot Rocker Stiffness Video Sample

SAMPLE

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Forefoot Rocker Stiffness Graph  

Brooks Glycerin GTS 23 Forefoot Rocker Stiffness Graph Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Rocker Stiffness Graph

Force To Flatten The Rocker 
 

Lock N
71 N

Forefoot Bending Energy Return 
 

N/A
5.1

Forefoot Bending Video  

Brooks Glycerin GTS 23 Forefoot Bending Video Sample

SAMPLE

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Forefoot Bending Energy Return  

Brooks Glycerin GTS 23 Forefoot Bending Energy Return Sample

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Bending Energy Return

Forefoot Bending Energy Return 
 

Lock%
57.2%

Forefoot Bending Stiffness 
 

N/A
6.8

Forefoot Bending Resistance Picture  

Brooks Glycerin GTS 23 Forefoot Bending Resistance Picture Sample

SAMPLE

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ASICS GEL-KAYANO 33 Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

Brooks Glycerin GTS 23 Forefoot Bending Resistance Sample

SAMPLE

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 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Bending Resistance

Forefoot Bending Stiffness 
 

Lock N/mm
10.4 N/mm

Forefoot Bending Force 
 

Lock N
275 N

Heel Compression Depth 
 

N/A

Heel Compression Graph  

Brooks Glycerin GTS 23 Heel Compression Graph Sample

SAMPLE

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Heel Compression At 550N 
 

Lock mm

Heel Compression At 1100N 
 

Lock mm

Heel Compression At 1900N 
 

Lock mm

Forefoot Compression Depth 
 

N/A

Forefoot Compression Graph  

Brooks Glycerin GTS 23 Forefoot Compression Graph Sample

SAMPLE

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Forefoot Compression At 800N 
 

Lock mm

Forefoot Compression At 1300N 
 

Lock mm

Forefoot Compression At 2050N 
 

Lock mm

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Brooks Glycerin GTS 23

ASICS GEL-KAYANO 33

Comments

  1. Comparison
 • Posted 1 hour ago

Brooks Glycerin GTS 23 vs ASICS GEL-KAYANO 33: Main Discussion

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