Is the Altra Lone Peak or the Brooks Cascadia lighter?

The Lone Peak 9, by 0.4 oz in a men's US 9 (10.4 oz against 10.8 oz).

Can I switch from the Altra Lone Peak to the Brooks Cascadia?

Yes, but ease into it. The drop moves 6 mm (0 mm on the Lone Peak 9, 6 mm on the Cascadia 20), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.

Which is more cushioned, the Altra Lone Peak or the Brooks Cascadia?

The Cascadia 20, on stack height: 38 mm under the heel against 25 mm. Stack is not the whole story, though; the foams differ too.

Which comes in more widths?

The Lone Peak 9. The Lone Peak 9 runs in D, 2E for men's sizes; the Cascadia 20 runs in D.

Which costs more, the Altra Lone Peak or the Brooks Cascadia?

The Cascadia 20, by $20 at list ($140 against $160). That gap narrows once either one gets a successor.

Altra Lone Peak vs Brooks Cascadia

Comparing the current Lone Peak 9 and Cascadia 20. Specs are men's US 9.

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THE SHORT ANSWER

Drop is the real difference: 0 mm on the Lone Peak 9 against 6 mm on the Cascadia 20. Coming off the Cascadia 20, the Lone Peak 9 loads your calves and Achilles harder for the first couple of weeks. Both sit in the same role (trail). The Lone Peak 9 lists $20 lower.

Altra Lone Peak 9Men's at Amazon Women's
Brooks Cascadia 20Sizes running outMen's at Amazon Women's

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

Lone Peak 9 · 2025

Cascadia 20 · 2026

Every spec, side by side

Spec	Lone Peak 9	Cascadia 20
FIT AND WEIGHT
Weight	10.4 oz	10.8 oz
Widths	D, 2E	D
Upper	Recycled ripstop mesh with no-sew overlays	Engineered mesh
CUSHIONING GEOMETRY
Heel stack	25 mm	38 mm
Forefoot stack	25 mm	32 mm
Drop	0 mm	6 mm
MATERIALS
Midsole	Updated Altra EGO	DNA Flash v2, nitrogen-infused
Plate	Embedded full-length TPU StoneGuard	None
VALUE
List price at launch	$140	$160

Which line changes its ride more often?

The Lone Peak has done it once in 5 versions, most recently with the Lone Peak 7 in 2023, and the Cascadia has done it 2 times in 6 versions, most recently with the Cascadia 20 in 2026. If you want a shoe you can rebuy without reading a review first, the Lone Peak has the steadier record.

Buy the Lone Peak 9

Stocked at Amazon

Men's: Check price at Amazon Women's: Check price at Amazon

Availability last checked Aug 5, 2026.

Buy the Cascadia 20

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: Check remaining stock Women's: Check remaining stock

Availability last checked Sep 10, 2026.

Chasing a specific older version rather than choosing between the current two? The Altra Lone Peak lineage and the Brooks Cascadia lineage track every version and what changed in each update.

Questions runners ask

Is the Altra Lone Peak or the Brooks Cascadia lighter?: The Lone Peak 9, by 0.4 oz in a men's US 9 (10.4 oz against 10.8 oz).
Can I switch from the Altra Lone Peak to the Brooks Cascadia?: Yes, but ease into it. The drop moves 6 mm (0 mm on the Lone Peak 9, 6 mm on the Cascadia 20), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.
Which is more cushioned, the Altra Lone Peak or the Brooks Cascadia?: The Cascadia 20, on stack height: 38 mm under the heel against 25 mm. Stack is not the whole story, though; the foams differ too.
Which comes in more widths?: The Lone Peak 9. The Lone Peak 9 runs in D, 2E for men's sizes; the Cascadia 20 runs in D.
Which costs more, the Altra Lone Peak or the Brooks Cascadia?: The Cascadia 20, by $20 at list ($140 against $160). That gap narrows once either one gets a successor.

Updated September 10, 2026.