Which is lighter, the Brooks Adrenaline GTS 21 or the Adrenaline GTS 22?

The Adrenaline GTS 22, by 0.2 oz in a men's US 9 (10.2 oz vs 10.4 oz).

Did the price change between the Brooks Adrenaline GTS 21 and the Adrenaline GTS 22?

Yes. List price went up $10, from $130 to $140. Street prices differ: the older shoe usually sells under list once its successor ships.

Do the Brooks Adrenaline GTS 21 and Adrenaline GTS 22 come in the same widths?

Yes. Both run in B, D, 2E, 4E for men's sizes, so a width that fit in the Adrenaline GTS 21 carries over to the Adrenaline GTS 22.

How do the stack heights compare?

36 mm heel and 24 mm forefoot on the Brooks Adrenaline GTS 21, against 36 mm and 24 mm on the Adrenaline GTS 22. Same platform under both.

Is the Adrenaline GTS 22 still the newest Adrenaline GTS?

No. The Adrenaline GTS 23 replaced it in 2023, so the Adrenaline GTS 22 now sells as an older model and usually below its $140 list price.

Brooks Adrenaline GTS 21 vs Adrenaline GTS 22

Updated September 10, 2026. Specs are men's US 9.

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Faithful successor

THE SHORT ANSWER

The Adrenaline GTS 22, by default. Amazon's Brooks Adrenaline GTS 21 stock is gone in both men's and women's sizes, so what follows is a record of what changed, not a choice you still have.

Brooks Adrenaline GTS 22Sizes running outWomen's

Availability last checked Sep 10, 2026. Prices and stock change without notice.

Adrenaline GTS 21 · 2020

Adrenaline GTS 22 · 2021

Every spec, side by side

Spec	Adrenaline GTS 21	Adrenaline GTS 22
FIT AND WEIGHT
Weight	10.4 oz	10.2 oz
Widths	B, D, 2E, 4E	B, D, 2E, 4E
Upper	Lighter, more breathable engineered air mesh with 3D Fit Print	Engineered mesh with 3D Fit Print overlays
CUSHIONING GEOMETRY
Heel stack	36 mm	36 mm
Forefoot stack	24 mm	24 mm
Drop	12 mm	12 mm
MATERIALS
Midsole	Full-length DNA Loft over a BioMoGo DNA base	One continuous piece of DNA Loft foam
VALUE
List price at launch	$130	$140
OTHER CHANGES
Midsole construction	DNA Loft over a BioMoGo DNA base	One continuous piece of DNA Loft
	Simpler construction, but the ride came out a touch firmer, not softer.
Outsole	Open flex grooves	More rubber through the grooves
	Better durability, stiffer and snappier transitions.

Weighing whether to switch at all, rather than which of these two to buy? What replaced the Brooks Adrenaline GTS 21 covers the verdict on the update, what loyalists made of it, and the closest alternatives from other brands.

Buy the Adrenaline GTS 21

Old stock gone

Amazon's stock of the Brooks Adrenaline GTS 21 is gone in both men's and women's sizes, and discontinued stock does not come back.

Old stock is gone. See what replaced it

Buy the Adrenaline GTS 22

Sizes running out

Discontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.

Men's stock is gone.

Women's: Check remaining stock

Availability last checked Sep 10, 2026.

Questions runners ask

Which is lighter, the Brooks Adrenaline GTS 21 or the Adrenaline GTS 22?: The Adrenaline GTS 22, by 0.2 oz in a men's US 9 (10.2 oz vs 10.4 oz).
Did the price change between the Brooks Adrenaline GTS 21 and the Adrenaline GTS 22?: Yes. List price went up $10, from $130 to $140. Street prices differ: the older shoe usually sells under list once its successor ships.
Do the Brooks Adrenaline GTS 21 and Adrenaline GTS 22 come in the same widths?: Yes. Both run in B, D, 2E, 4E for men's sizes, so a width that fit in the Adrenaline GTS 21 carries over to the Adrenaline GTS 22.
How do the stack heights compare?: 36 mm heel and 24 mm forefoot on the Brooks Adrenaline GTS 21, against 36 mm and 24 mm on the Adrenaline GTS 22. Same platform under both.
Is the Adrenaline GTS 22 still the newest Adrenaline GTS?: No. The Adrenaline GTS 23 replaced it in 2023, so the Adrenaline GTS 22 now sells as an older model and usually below its $140 list price.