ShoeGeometry

Adidas Terrex Agravic Speed Ultra 2 vs Brooks Cascadia 20

Two current shoes in the same category with similar stack height and drop, compared on the values in the database. Each cell carries a provenance badge; open a shoe for sources.

Adidas Terrex Agravic Speed Ultra 2: heel 38 mm, forefoot 30 mm (drop 8 mm); rocker apex 59 % of length, radius 54 % of length.Adidas Terrex Agravic Speed Ultra 2: rocker apex at 59 % of lengthBrooks Cascadia 20: heel 38 mm, forefoot 33 mm (drop 5 mm); rocker apex 63 % of length, radius 44 % of length.Brooks Cascadia 20: rocker apex at 63 % of length
  • Adidas Terrex Agravic Speed Ultra 238/30 mm · apex 59 %
  • Brooks Cascadia 2038/33 mm · apex 63 %
Midsoles drawn from measured values on a common length (290 mm), heels aligned, toe to the left; dots mark the rocker apex. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.
MetricAdidas Terrex Agravic Speed Ultra 2
Trail · Trail
Brooks Cascadia 20
Trail · Trail
Heel-to-toe drop8 mmStated6 mmDerived
Heel stack38 mmStated38 mmStated
Forefoot stack30 mmStated33 mmStated
Weight269 gStated306 gStated
Rocker apex58.5 %est.63.3 %est.
Rocker radius54 %est.44 %est.
Rocker rise angle26 degest.28 degest.
Toe tip over ground56 mmest.43 mmest.
Rocker angle at toe58 degest.60 degest.
Visible rocker lift onset73 %est.76.3 %est.
Toe spring (relative)22 %est.18.8 %est.
Midsole width (forefoot)122.9 mmMeasured117.7 mmMeasured
Midsole width (heel)87.6 mmMeasured98.5 mmMeasured
Interior forefoot width94.4 mmMeasured93.7 mmMeasured
Toebox width69.6 mmMeasured70.6 mmMeasured
Longitudinal stiffness33Derived53Derived
Midsole firmness51Derived74Derived
PlateTPU plateRock plate
Primary foamLightstrike ProDNA Flash v2
List price$225$160

Key differences

  • Adidas Terrex Agravic Speed Ultra 2's heel-to-toe drop is 8 mm, 2 mm higher than Brooks Cascadia 20's 6 mm.
  • Heel stack is about the same: 38 mm for Adidas Terrex Agravic Speed Ultra 2, 38 mm for Brooks Cascadia 20.
  • Adidas Terrex Agravic Speed Ultra 2's forefoot stack is 30 mm, 3 mm thinner than Brooks Cascadia 20's 33 mm.
  • Adidas Terrex Agravic Speed Ultra 2's weight is 269 g, 37 g lighter than Brooks Cascadia 20's 306 g.
  • Adidas Terrex Agravic Speed Ultra 2's rocker onset is 73 % of length, 3 % of length earlier than Brooks Cascadia 20's 76 % of length.

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