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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
ASICS GEL-KAYANO 33

Tested using Methodology v0.15

Updated Sep 17, 2026 04:16 PM

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Amazon

Tested using Methodology v0.13

Updated Sep 22, 2026 07:50 PM

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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

The ASICS GEL-KAYANO 33 is a better support shoe than the Brooks Glycerin GTS 23. Though both use sidewalls to offer impressive stability for overpronators, the ASICS is lighter and much more protective across runner weights, strike patterns, and distances, with a plusher feel underfoot. It also retails for less. The Brooks only makes sense if you prefer the classic, firmer Brooks ride.

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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 
 

6.0
6.4
No major differences between these running shoes for half/full marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

4.2
4.5

Right Shoe Weight Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Right Shoe Weight Photo
Compare High-Res
ASICS GEL-KAYANO 33 Right Shoe Weight Photo

Left Shoe Weight Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Left Shoe Weight Photo
Compare High-Res
ASICS GEL-KAYANO 33 Left Shoe Weight Photo

Weight 
 

303.4 g (10.70 oz)
295.9 g (10.44 oz)

Stack Heights 
 

Stack Height Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Stack Height Photo
Compare High-Res
ASICS GEL-KAYANO 33 Stack Height Photo

Heel Stack Height 
 

38.2 mm
41.5 mm

Forefoot Stack Height 
 

29.7 mm
30.4 mm

Heel-To-Toe Drop 
 

8.5 mm
11.1 mm

Advertised Heel-To-Toe Drop 
 

8.0 mm
8.0 mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
Brooks Glycerin GTS 23 3D Model Full Shoe
Preview 3D
ASICS GEL-KAYANO 33 3D Model Full Shoe

Outsole Heel Width 
 

94 mm (3.7")
95 mm (3.7")

Outsole Arch Width 
 

83 mm (3.3")
82 mm (3.2")

Outsole Forefoot Width 
 

114 mm (4.5")
119 mm (4.7")

Heel Width-To-Stack Ratio 
 

2.46
2.29

Forefoot Width-To-Stack Ratio 
 

3.84
3.91

Internal Shape 
 

3D Model Internal  

Preview 3D
Brooks Glycerin GTS 23 3D Model Internal
Preview 3D
ASICS GEL-KAYANO 33 3D Model Internal

Internal Length 
 

280 mm (11.0")
278 mm (10.9")

Internal Heel Width 
 

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

Internal Forefoot Width 
 

94 mm (3.7")
96 mm (3.8")

Wide Sizing Available 
 

Yes
Yes

Forefoot Fit: Width 
 

9.3
9.3

Forefoot Width Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Forefoot Width Photo
Compare High-Res
ASICS GEL-KAYANO 33 Forefoot Width Photo

Ball-Of-Foot TTS Deviation 
 

2.8 mm (0.111")
3.7 mm (0.145")

Toe TTS Deviation 
 

-1.3 mm (-0.052")
0.7 mm (0.027")

Forefoot Fit: Height 
 

7.0
6.6

Forefoot Height Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Forefoot Height Photo
Compare High-Res
ASICS GEL-KAYANO 33 Forefoot Height Photo

Toe TTS Deviation 
 

-3.6 mm (-0.142")
-4.1 mm (-0.162")

Arch Fit: Width 
 

8.5
9.8

Arch Fit Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Arch Fit Photo
Compare High-Res
ASICS GEL-KAYANO 33 Arch Fit Photo

Arch Width TTS Deviation 
 

-2.6 mm (-0.101")
-0.7 mm (-0.026")

Length Fit 
 

10
10

Toe Clearance Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Toe Clearance Photo
Compare High-Res
ASICS GEL-KAYANO 33 Toe Clearance Photo

Heel Rocker Geometry 
 

4.5
6.1

Heel Rocker Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Heel Rocker Photo
Compare High-Res
ASICS GEL-KAYANO 33 Heel Rocker Photo

Heel Spring 
 

11 mm (0.4")
15 mm (0.6")

Heel Apex Position 
 

6.8%
15.3%

Heel Rocker Angle 
 

28.8°
18.4°

Forefoot Rocker Geometry 
 

6.2
7.8

Forefoot Rocker Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Forefoot Rocker Photo
Compare High-Res
ASICS GEL-KAYANO 33 Forefoot Rocker Photo

Toe Spring 
 

44 mm (1.7")
55 mm (2.2")

Toe Apex Position 
 

69.4%
62.7%

Forefoot Rocker Angle 
 

26.1°
26.6°

Foam 
 

Primary Foam Picture 
 

Compare High-Res
Brooks Glycerin GTS 23 Primary Foam Picture
Compare High-Res
ASICS GEL-KAYANO 33 Primary Foam Picture

Secondary Foam Picture 
 

Compare High-Res
Brooks Glycerin GTS 23 Secondary Foam Picture
Compare High-Res
ASICS GEL-KAYANO 33 Secondary Foam Picture

Primary Foam Name 
 

DNA TUNED
FF BLAST MAX

Primary Foam Type 
 

Unknown
POE

Secondary Foam Name 
 

No Secondary Foam
FF BLAST PLUS

Secondary Foam Type 
 

No Secondary Foam
Unknown

Laces 
 

Laces Picture  

Brooks Glycerin GTS 23 Laces Picture

Lace Type 
 

Round

Width 
 

5.0 mm (0.2")

Thickness 
 

3.3 mm (0.1")

Stretch 
 

4.0%

Other Features  

Other Features Photo 
 

Compare High-Res
Brooks Glycerin GTS 23 Other Features Photo
Compare High-Res
ASICS GEL-KAYANO 33 Other Features Photo

Tongue Gusset Type 
 

Non-gusseted
Semi-gusseted

Plate 
 

None
None
Performance

Heel Compression Energy Return 
 

1.7
2.3

Heel Compression Video  

Heel Energy Return  

 Preview Graph
Brooks Glycerin GTS 23 Heel Energy Return
 Preview Graph
ASICS GEL-KAYANO 33 Heel Energy Return
 Compare in Graph Tool

Heel Energy Return 
 

67.2%
68.3%

Forefoot Compression Energy Return 
 

4.2
4.4

Forefoot Compression Video  

Forefoot Energy Return  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Energy Return
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Energy Return
 Compare in Graph Tool

Forefoot Energy Return 
 

70.9%
71.1%

Heel Cushioning 
 

7.3
7.8

Heel Cushioning Picture 
 

Compare High-Res
Brooks Glycerin GTS 23 Heel Cushioning Picture
Compare High-Res
ASICS GEL-KAYANO 33 Heel Cushioning Picture

Heel Cushioning  

 Preview Graph
Brooks Glycerin GTS 23 Heel Cushioning
 Preview Graph
ASICS GEL-KAYANO 33 Heel Cushioning
 Compare in Graph Tool

Energy Absorbed At 550N 
 

2.83 J
3.42 J

Energy Absorbed At 1100N 
 

9.21 J
9.51 J

Energy Absorbed At 1900N 
 

16.99 J
16.87 J

Forefoot Cushioning 
 

7.3
7.6

Forefoot Cushioning Picture 
 

Compare High-Res
Brooks Glycerin GTS 23 Forefoot Cushioning Picture
Compare High-Res
ASICS GEL-KAYANO 33 Forefoot Cushioning Picture

Forefoot Cushioning  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Cushioning
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Cushioning
 Compare in Graph Tool

Energy Absorbed At 800N 
 

4.28 J
4.58 J

Energy Absorbed At 1300N 
 

7.78 J
8.13 J

Energy Absorbed At 2050N 
 

11.71 J
12.07 J

Heel Firmness 
 

8.9
8.1

Heel Firmness Graph  

 Preview Graph
Brooks Glycerin GTS 23 Heel Firmness Graph
 Preview Graph
ASICS GEL-KAYANO 33 Heel Firmness Graph
 Compare in Graph Tool

Firmness At 550N 
 

58.5 N/mm
45.7 N/mm

Firmness At 1100N 
 

63.0 N/mm
55.8 N/mm

Firmness At 1900N 
 

83.2 N/mm
76.6 N/mm

Forefoot Firmness 
 

9.1
8.6

Forefoot Firmness Graph  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Firmness Graph
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Firmness Graph
 Compare in Graph Tool

Firmness At 800N 
 

68.8 N/mm
62.1 N/mm

Firmness At 1300N 
 

86.3 N/mm
79.4 N/mm

Firmness At 2050N 
 

117 N/mm
109 N/mm

Forefoot Long Run Cushioning 
 

6.5
7.1

Forefoot Long Run Cushioning  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Long Run Cushioning
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Long Run Cushioning
 Compare in Graph Tool

Energy Absorbed At 10km 
 

7.13 J
7.64 J

Energy Absorbed At 20km 
 

6.94 J
7.49 J

Energy Absorbed At 30km 
 

6.84 J
7.41 J

Energy Absorbed At 40km 
 

6.76 J
7.36 J

Rocker Stiffness 
 

5.5
6.5

Forefoot Rocker Stiffness Video  

Forefoot Rocker Stiffness Graph  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Rocker Stiffness Graph
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Rocker Stiffness Graph
 Compare in Graph Tool

Force To Flatten The Rocker 
 

51 N
71 N

Forefoot Bending Energy Return 
 

4.5
5.1

Forefoot Bending Video  

Forefoot Bending Energy Return  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Bending Energy Return
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Bending Energy Return
 Compare in Graph Tool

Forefoot Bending Energy Return 
 

55.2%
57.2%

Forefoot Bending Stiffness 
 

6.3
6.8

Forefoot Bending Resistance Picture 
 

Compare High-Res
Brooks Glycerin GTS 23 Forefoot Bending Resistance Picture
Compare High-Res
ASICS GEL-KAYANO 33 Forefoot Bending Resistance Picture

Forefoot Bending Resistance  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Bending Resistance
 Preview Graph
ASICS GEL-KAYANO 33 Forefoot Bending Resistance
 Compare in Graph Tool

Forefoot Bending Stiffness 
 

5.9 N/mm
10.4 N/mm

Forefoot Bending Force 
 

324 N
275 N

Heel Compression Depth 
 

5.0

Heel Compression Graph  

 Preview Graph
Brooks Glycerin GTS 23 Heel Compression Graph

Heel Compression At 550N 
 

9.4 mm

Heel Compression At 1100N 
 

17.5 mm

Heel Compression At 1900N 
 

22.8 mm

Forefoot Compression Depth 
 

5.1

Forefoot Compression Graph  

 Preview Graph
Brooks Glycerin GTS 23 Forefoot Compression Graph

Forefoot Compression At 800N 
 

11.6 mm

Forefoot Compression At 1300N 
 

15.1 mm

Forefoot Compression At 2050N 
 

17.5 mm

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Brooks Glycerin GTS 23

ASICS GEL-KAYANO 33

Comments

  1. Comparison
 • Posted 1 month ago

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

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