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Tested using Methodology v0.12
Updated Aug 21, 2026 09:11 PM
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Tested using Methodology v0.15
Updated Jul 24, 2026 02:39 PM
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Heel Stack Height
39.9 mm
Weight
299.4 g (10.56 oz)
Heel-To-Toe Drop
9.6 mm
Plate
None
Heel Stack Height
46.8 mm
Weight
290.2 g (10.23 oz)
Heel-To-Toe Drop
8.6 mm
Plate
Plastic
Our Verdict
Brooks Glycerin 23
Brooks Hyperion Max 4
The Brooks Glycerin 23 and Brooks Hyperion Max 4 serve different purposes within a running shoe rotation. The Glycerin 23 is the much more stable, relaxed shoe, which makes it good for daily training and casual wear. The Hyperion Max 4 is a speedy shoe that makes sense for faster workouts, but is too unstable for more relaxed runs.
Variants
- Glycerin 23 (Atlantic Deep/Greymist/Coconut - (Men - US 9))
- Glycerin 23 (Black/Black/Ebony - (Men - US 9))
- Hyperion Max 4 (Coconut/Raisin/Pink - (Women - US 7))
- Hyperion Max 4 (Grey/Black/Purple Hebe - (Men - US 9))
Main Differences for
Half/Full Marathon Racing
Half/Full Marathon Racing
Threshold
Half/Full Marathon Racing
6.3
7.2
Forefoot Compression Energy Return
4.9
7.8
Forefoot Long Run Cushioning
6.3
8.5
Forefoot Bending Energy Return
6.3
8.1
Outsole Arch Width
77 mm (3.0")
56 mm (2.2")
Weight
4.4
4.8
Full Comparison
Design
Weight
4.4
4.8
Right Shoe Weight Photo
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Left Shoe Weight Photo
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Weight
299.4 g (10.56 oz)
290.2 g (10.23 oz)
Stack Heights
Stack Height Photo
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Heel Stack Height
39.9 mm
46.8 mm
Forefoot Stack Height
30.3 mm
38.2 mm
Heel-To-Toe Drop
9.6 mm
8.6 mm
Advertised Heel-To-Toe Drop
8.0 mm
6.0 mm
External Shape
3D Model Full Shoe
Preview 3D
Preview 3D
Outsole Heel Width
93 mm (3.7")
88 mm (3.5")
Outsole Arch Width
77 mm (3.0")
56 mm (2.2")
Outsole Forefoot Width
113 mm (4.5")
114 mm (4.5")
Heel Width-To-Stack Ratio
2.33
1.88
Forefoot Width-To-Stack Ratio
3.72
2.98
Internal Shape
3D Model Internal
Preview 3D
Preview 3D
Internal Length
280 mm (11.0")
276 mm (10.9")
Internal Heel Width
65 mm (2.6")
68 mm (2.7")
Internal Forefoot Width
93 mm (3.7")
87 mm (3.4")
Wide Sizing Available
Yes
No
Forefoot Fit: Width
8.2
9.2
Forefoot Width Photo
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Ball-Of-Foot TTS Deviation
5.2 mm (0.206")
-1.5 mm (-0.060")
Toe TTS Deviation
6.9 mm (0.271")
-2.3 mm (-0.091")
Forefoot Fit: Height
10
5.0
Forefoot Height Photo
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Toe TTS Deviation
-0.1 mm (-0.004")
-5.9 mm (-0.231")
Arch Fit: Width
7.6
6.4
Arch Fit Photo
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Arch Width TTS Deviation
-3.9 mm (-0.154")
-5.3 mm (-0.210")
Length Fit
10
10
Toe Clearance Photo
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Heel Rocker Geometry
6.3
7.4
Heel Rocker Photo
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Heel Spring
20 mm (0.8")
22 mm (0.9")
Heel Apex Position
12.1%
15.0%
Heel Rocker Angle
29.1°
27.1°
Forefoot Rocker Geometry
6.3
7.9
Forefoot Rocker Photo
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Toe Spring
44 mm (1.7")
56 mm (2.2")
Toe Apex Position
66.3%
63.3%
Forefoot Rocker Angle
23.7°
28.1°
Foam
Primary Foam Picture
Secondary Foam Picture
Primary Foam Name
DNA GOLD
Primary Foam Type
PEBA
Secondary Foam Name
DNA FLASH v2
Secondary Foam Type
EVA
Laces
Laces Picture
Lace Type
Flat
Width
6.0 mm (0.2")
Thickness
1.7 mm (0.1")
Stretch
21.9%
Other Features
Other Features Photo
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Tongue Gusset Type
Non-gusseted
Semi-gusseted
Plate
None
Plastic
Performance
Heel Compression Energy Return
2.2
6.9
Heel Compression Video
Heel Energy Return
Preview Graph
Preview Graph
Heel Energy Return
68.3%
75.7%
Forefoot Compression Energy Return
4.9
7.8
Forefoot Compression Video
Forefoot Energy Return
Preview Graph
Preview Graph
Forefoot Energy Return
71.7%
79.7%
Heel Cushioning
7.7
8.9
Heel Cushioning Picture
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Heel Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 550N
3.08 J
4.04 J
Energy Absorbed At 1100N
9.86 J
11.15 J
Energy Absorbed At 1900N
17.27 J
19.25 J
Forefoot Cushioning
7.1
9.1
Forefoot Cushioning Picture
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Forefoot Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 800N
4.36 J
5.82 J
Energy Absorbed At 1300N
7.60 J
10.37 J
Energy Absorbed At 2050N
11.21 J
15.55 J
Heel Firmness
8.5
6.5
Heel Firmness Graph
Preview Graph
Preview Graph
Firmness At 550N
53.2 N/mm
39.8 N/mm
Firmness At 1100N
58.0 N/mm
48.2 N/mm
Firmness At 1900N
78.9 N/mm
66.9 N/mm
Forefoot Firmness
8.9
5.4
Forefoot Firmness Graph
Preview Graph
Preview Graph
Firmness At 800N
64.3 N/mm
48.1 N/mm
Firmness At 1300N
83.3 N/mm
61.6 N/mm
Firmness At 2050N
115 N/mm
84 N/mm
Forefoot Long Run Cushioning
6.3
8.5
Forefoot Long Run Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 10km
6.88 J
9.60 J
Energy Absorbed At 20km
6.73 J
9.37 J
Energy Absorbed At 30km
6.66 J
9.23 J
Energy Absorbed At 40km
6.61 J
9.12 J
Rocker Stiffness
5.8
8.2
Forefoot Rocker Stiffness Video
Forefoot Rocker Stiffness Graph
Preview Graph
Preview Graph
Force To Flatten The Rocker
57 N
128 N
Forefoot Bending Energy Return
6.3
8.1
Forefoot Bending Video
Forefoot Bending Energy Return
Preview Graph
Preview Graph
Forefoot Bending Energy Return
61.4%
72.5%
Forefoot Bending Stiffness
6.5
7.4
Forefoot Bending Resistance Picture
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Forefoot Bending Resistance
Preview Graph
Preview Graph
Forefoot Bending Stiffness
11.0 N/mm
13.8 N/mm
Forefoot Bending Force
240 N
289 N
Heel Compression Depth
6.7
Heel Compression Graph
Preview Graph
Heel Compression At 550N
13.8 mm
Heel Compression At 1100N
22.8 mm
Heel Compression At 1900N
28.4 mm
Forefoot Compression Depth
7.2
Forefoot Compression Graph
Preview Graph
Forefoot Compression At 800N
16.6 mm
Forefoot Compression At 1300N
21.1 mm
Forefoot Compression At 2050N
24.3 mm
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Brooks Glycerin 23
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Brooks Glycerin 23 vs Brooks Hyperion Max 4: Main Discussion
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