Products
Brooks Glycerin 22
Brooks Adrenaline GTS 25
Tested using Methodology v0.9
Updated Dec 05, 2025 04:46 PM
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Brooks
Tested using Methodology v0.9
Updated Dec 05, 2025 04:15 PM
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Brooks
Weight
292.9 g (10.33 oz)
Heel-To-Toe Drop
10.2 mm
Plate
None
Weight
289.1 g (10.20 oz)
Heel-To-Toe Drop
13.6 mm
Plate
None
Our Verdict
Brooks Glycerin 22
Brooks Adrenaline GTS 25
The Brooks Glycerin 22 and the Brooks Adrenaline GTS 25 are two of the brand's best-selling shoes, each targeting slightly different runners. The Adrenaline GTS 25 is a dedicated stability shoe with multiple support features, including a medial post and guide rails, to combat over-pronation. Its firmer midsole further reduces any unsteadiness. The Glycerin 22, meanwhile, is a neutral daily trainer with better cushioning and an overall livelier midsole. The Adrenaline GTS 25 remains a solid choice for beginner runners who feel unsteady in their stride, while the Glycerin 22 is a more comfortable shoe, especially for heel strikers.
Variants
- Glycerin 22 (Almond Peach/London-fog/Almond - (Women - US 7))
- Glycerin 22 (Amparo Blue/Hyper Iris/Yellow - (Women - US 7))
- Glycerin 22 (Antique/Turbulence/Pearl - (Women - US 7))
- Glycerin 22 (Aurora Black/Ebony - (Men - US 9))
- Glycerin 22 (Beetle/Celadon/Ivory - (Men - US 9))
- Glycerin 22 (Berry/Burgundy/Rose - (Women - US 7))
- Glycerin 22 (Black/Atomizer/Blazing Orange - (Men - US 9))
- Glycerin 22 (Black/Black/Ebony - (Men - US 9))
- Glycerin 22 (Black/Black/Ebony - (Women - US 7))
- Glycerin 22 (Black/Blue Heron/Orange - (Women - US 7))
- Glycerin 22 (Black/Cobalt/Neo Yellow - (Men - US 9))
- Glycerin 22 (Black/Country Blue/Orange Pop - (Men - US 9))
- Glycerin 22 (Black/Grey/White - (Men - US 9))
- Glycerin 22 (Black/Grey/White - (Women - US 7))
- Glycerin 22 (Black/Orchid Ice/White - (Women - US 7))
- Glycerin 22 (Black/Primer Gray/Biscuit - (Men - US 9))
- Glycerin 22 (Blue Ribbon/Peacoat/Dianthus - (Women - US 7))
- Glycerin 22 (Bright White/Winter Sky/Black - (Men - US 9))
- Glycerin 22 (Burnt Sienna/Ebony/Orange - (Men - US 9))
- Glycerin 22 (Coconut/Chateau/Rose - (Women - US 7))
- Glycerin 22 (Coconut/Tea/Blazing Yellow - (Men - US 9))
- Glycerin 22 (Coconut/White Sand/Black - (Men - US 9))
- Glycerin 22 (Coconut/White Sand/Black - (Women - US 7))
- Glycerin 22 (Desert Flower/Hot Coral/Milk - (Women - US 7))
- Glycerin 22 (Dusty Olive/Tea/Orange - (Men - US 9))
- Glycerin 22 (Gray/Navy Peony/Fiery Red - (Men - US 9))
- Glycerin 22 (Lilac/Whisper/Lupine - (Women - US 7))
- Glycerin 22 (London-fog/Almond Oil/Falcon - (Men - US 9))
- Glycerin 22 (Multicoloured - (Men - US 9))
- Glycerin 22 (Orange/Black - (Men - US 9))
- Glycerin 22 (Orange/Black - (Women - US 7))
- Glycerin 22 (Orange/Nightlife/White - (Men - US 9))
- Glycerin 22 (Peacoat/Blue Ribbon/Orange - (Men - US 9))
- Glycerin 22 (Primer Gray/Ebony/Bluewash - (Men - US 9))
- Glycerin 22 (Primer Gray/Gray/Honey Ginger - (Men - US 9))
- Glycerin 22 (Sherbert/Apricot/Pink - (Women - US 7))
- Glycerin 22 (Tint/Tobacco/Indigo - (Men - US 9))
- Glycerin 22 (White/Blue Heron/Apricot - (Women - US 7))
- Glycerin 22 (White/Cobalt/Orange - (Men - US 9))
- Glycerin 22 (White/Grey/Black - (Men - US 9))
- Glycerin 22 (White/Grey/Black - (Women - US 7))
- Glycerin 22 (White/Limpet Shell/Amparo Blue - (Women - US 7))
- Glycerin 22 (White/White/Grey - (Women - US 7))
- Adrenaline GTS 25 (Black/Biscuit - (Men - US 9))
- Adrenaline GTS 25 (Black/Black/Ebony - (Men - US 9))
- Adrenaline GTS 25 (Black/Black/Ebony - (Women - US 7))
- Adrenaline GTS 25 (Black/Cyber Pink/Iced Aqua - (Women - US 7))
- Adrenaline GTS 25 (Black/Grey/White - (Men - US 9))
- Adrenaline GTS 25 (Black/Grey/White - (Women - US 7))
- Adrenaline GTS 25 (Black/Ipanema/Mint - (Men - US 9))
- Adrenaline GTS 25 (Coconut/Argyle - (Women - US 7))
- Adrenaline GTS 25 (Green/Moonlight/Phantom - (Men - US 9))
- Adrenaline GTS 25 (Grey/Blackened Pearl/Coral - (Women - US 7))
- Adrenaline GTS 25 (Oyster/Green Gecko/Blue - (Men - US 9))
- Adrenaline GTS 25 (Oyster/Pink/Green - (Women - US 7))
- Adrenaline GTS 25 (Primer Grey/Ebony/Jasmin - (Men - US 9))
- Adrenaline GTS 25 (Silver Anniversary Edition - (Men - US 9))
- Adrenaline GTS 25 (Silver Anniversary Edition - (Women - US 7))
- Adrenaline GTS 25 (Spellbound/Moonlight/Ipanema - (Men - US 9))
- Adrenaline GTS 25 (White/Black/White - (Men - US 9))
- Adrenaline GTS 25 (White/Black/White - (Women - US 7))
- Adrenaline GTS 25 (White/Spellbound/Orange - (Men - US 9))
- Adrenaline GTS 25 (White/White/Silver - (Women - US 7))
Main Differences for
Marathon Racing
Marathon Racing
Threshold
Marathon Racing
5.7
5.1
Forefoot Energy Return
5.8
2.6
Full Comparison
Design
Weight
4.7
4.8
Right Shoe Weight Photo
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Left Shoe Weight Photo
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Weight
292.9 g (10.33 oz)
289.1 g (10.20 oz)
Stack Heights
Stack Height Photo
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Heel Stack Height
37.6 mm
40.9 mm
Forefoot Stack Height
27.4 mm
27.3 mm
Heel-To-Toe Drop
10.2 mm
13.6 mm
Advertised Heel-To-Toe Drop
10.0 mm
12.0 mm
External Shape
3D Model Full Shoe
Preview 3D
Preview 3D
Outsole Heel Width
93 mm (3.7")
93 mm (3.7")
Outsole Arch Width
76 mm (3.0")
77 mm (3.0")
Outsole Forefoot Width
117 mm (4.6")
110 mm (4.3")
Heel Width-To-Stack Ratio
2.47
2.27
Forefoot Width-To-Stack Ratio
4.27
4.03
Internal Shape
3D Model Internal
Preview 3D
Preview 3D
Internal Length
279 mm (11.0")
280 mm (11.0")
Internal Heel Width
66 mm (2.6")
65 mm (2.6")
Internal Forefoot Width
92 mm (3.6")
90 mm (3.5")
Wide Sizing Available
Yes
Yes
Other Features
Other Features Photo
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Tongue Gusset Type
Non-gusseted
Non-gusseted
Plate
None
None
Performance
Heel Energy Return
2.4
1.8
Heel Compression Video
Heel Energy Return
Heel Energy Return
68.5%
67.4%
Forefoot Energy Return
5.8
2.6
Forefoot Compression Video
Forefoot Energy Return
Forefoot Energy Return
73.1%
69.0%
Heel Cushioning
7.6
7.2
Heel Cushioning Picture
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Heel Cushioning
Energy Absorbed At 550N
2.98 J
3.05 J
Energy Absorbed At 1100N
9.68 J
8.96 J
Energy Absorbed At 1900N
17.13 J
16.00 J
Forefoot Cushioning
6.2
5.2
Forefoot Cushioning Picture
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Forefoot Cushioning
Energy Absorbed At 800N
3.79 J
3.21 J
Energy Absorbed At 1300N
6.60 J
5.60 J
Energy Absorbed At 2050N
9.81 J
8.34 J
Heel Firmness
5.0
5.6
Heel Firmness
Firmness At 550N
50.9 N/mm
56.4 N/mm
Firmness At 1100N
100.3 N/mm
110.8 N/mm
Firmness At 1900N
207.9 N/mm
215.1 N/mm
Forefoot Firmness
8.7
9.1
Forefoot Firmness
Firmness At 800N
132.1 N/mm
152.9 N/mm
Firmness At 1300N
256.3 N/mm
312.8 N/mm
Firmness At 2050N
491.4 N/mm
545.7 N/mm
Forefoot Long Run Cushioning
5.6
4.7
Forefoot Long Run Cushioning
Energy Absorbed At 10km
6.18 J
5.24 J
Energy Absorbed At 20km
6.05 J
5.11 J
Energy Absorbed At 30km
6.00 J
5.05 J
Energy Absorbed At 40km
5.96 J
4.99 J
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Brooks Glycerin 22
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Brooks Glycerin 22 vs Brooks Adrenaline GTS 25: Main Discussion
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