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VS Versus

Altra Paradigm 8vsAltra Rivera 4

The Altra Paradigm 8 and Altra Rivera 4 score 53% on spec similarity. Going from the Altra Paradigm 8 to the Altra Rivera 4: 2 mm less heel stack, with the same drop.

Side by side

The Δ column is the Altra Rivera 4 minus the Altra Paradigm 8. A dash means we don't have a sourced value.

Altra Paradigm 8 vs Altra Rivera 4 specifications
SpecAltra Paradigm 8Altra Rivera 4Δ
Heel stack30 mm28 mm−2mm
Forefoot stack30 mm28 mm−2mm
Drop0 mm0 mm±0mm
Weight307.6 g——
RRP (GBP)———
CategoryDaily trainerDaily trainersame
SupportStabilityNeutraldiffers
SurfaceRoadRoadsame
StatusCurrentCurrentsame

Who should pick which

Based only on the numbers above. Fit and feel aren't in this comparison.

Pick the
Altra Paradigm 8

if you want:

  • more heel stack (30 vs 28 mm)
Pick the
Altra Rivera 4

if you want:

  • a lower heel stack (28 vs 30 mm)
FAQ FAQ

Altra Paradigm 8 vs Altra Rivera 4: questions

Answers are generated from the published specs on this page. Missing values are left out, never estimated.

Which has more cushioning stack, the Altra Paradigm 8 or the Altra Rivera 4?

The Altra Paradigm 8, with 30 mm of heel stack vs 28 mm, 2 mm more. Forefoot stack: 30 mm for the Altra Paradigm 8 and 28 mm for the Altra Rivera 4.

What's the drop difference between the Altra Paradigm 8 and the Altra Rivera 4?

None: both have a 0 mm heel-to-toe drop.

How similar are the Altra Paradigm 8 and the Altra Rivera 4?

They score 53% on Trova's spec similarity, which compares published heel stack, drop, weight, category and support. Both are in our daily trainer category.