Brooks · Glycerin

Glycerin 23

Released February 2026

The Glycerin 23 is Brooks's plushest neutral road-running daily trainer, with dual-cell, nitrogen-infused DNA TUNED foam and an 8 mm drop, suited to everyday and long runs.

Made for: Road running
Weight: 301 g
Heel height: 39 mm
Drop: 8 mm

What reviewers say

Reviewers agree it is a comfortable, smooth and durable premium daily trainer with a more accommodating upper and a softer forefoot than before. The common criticisms are its weight and a ride with little bounce or versatility; Believe in the Run thought the lighter, cheaper Glycerin Flex the better buy.

From runrepeat.com, doctorsofrunning.com and believeintherun.com

Specifications

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Fit and feel

Made for: Road running
Weight: 301 g
Heel height: 39 mm
Forefoot height: 31 mm
Drop: 8 mm
Carbon plate: No
Midsole foam: Dual-cell, nitrogen-infused DNA TUNED supercritical EVA
Upper: Engineered triple jacquard knit; 58.1% recycled materials in the upper
Outsole: Full-length rubber

Use

Best for: Road running, everyday runs, long runs (Brooks)
Measured figures: Brooks gives 300.5 g (10.6 oz). Running Warehouse, men's US 9: 309 g, 39 mm heel, 31 mm forefoot. RunRepeat lab: 303 g, 37.2 mm heel, 29.0 mm forefoot, 8.2 mm drop

Design

Widths: Medium (1D) and wide (2E)

Pros and cons

Pros

2 mm more DNA TUNED foam in the forefoot than the Glycerin 22
Dual-cell foam, larger cells in the heel and smaller in the forefoot
Wide fitting available

Cons

301 g by Brooks's figure (300.5 g), heavy for a daily trainer

Closest rivals

Model	Made for	Weight	Heel height	Drop	Released
ASICSGEL-KAYANO 33	Road running	295 g	41 mm	8 mm	Jun 2026
NikePegasus 42	Road running	300 g	36 mm	10 mm	Apr 2026
NikeStructure Plus	Road running	309 g	42 mm	10 mm	Jan 2026

Sources

Photo: brooksrunning.com

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