ShoeGeometry

Brooks Cascadia 20

TrailTrailRock plate2026Men'sCurrent

Specifications

Heel-to-toe drop
Derived
6mm
Mediumderived_from_stack_v1source
Heel stack
Manufacturer stated
38mm
Mediumregex_specs_v2source
Forefoot stack
Manufacturer stated
33mm
Mediumregex_specs_v2source
Weight
Manufacturer stated
306g
Mediumregex_specs_v2size 9source
Plate
Rock plate
Primary foam
DNA Flash v2
List price
$160

Plate, foam and price from The Brooks Cascadia 20 doesn’t have to be elite to be fun | Believe in the Run.

Geometry

Catalogue average: heel 39 mm, forefoot 32 mm, rocker apex 65 %Brooks Cascadia 20: heel 38 mm, forefoot 33 mm (drop 5 mm); rocker apex 63 % of length, radius 44 % of length.38 mm33 mmRocker apex at 63 % of length from the heelrocker apex 63 %toeheel
Forefoot: rocker apex later earlierRear: heel stack lower higher not measured
Dashed: average of the catalogue
Drawn from the measured values, to scale for a 290 mm shoe; the grey upper is a generic outline, not this shoe’s. Brooks Cascadia 20: heel 38 mm, forefoot 33 mm (drop 5 mm); rocker apex 63 % of length, radius 44 % of length.

Percent values are relative to shoe length so they compare across images and sizes; millimetre values are lab measurements from the cited source. See how rocker geometry is defined.

Rocker apex
AI estimated
63.3%
Lowvision_rocker · 0.3-bc1source
Rocker radius
AI estimated
44%
Lowvision_rocker · 0.3-bc1source
Rocker rise angle
AI estimated
28deg
Lowvision_rocker · 0.3-bc1source
Rocker angle at toe
AI estimated
60deg
Lowvision_rocker · 0.3-bc1source
Toe tip over ground
AI estimated
43mm

Average of two photos 0.1 mm apart.

Lowvision_rocker · 0.3-bc1source
Visible rocker lift onset
AI estimated
76.3%
Lowvision_rocker · 0.3-bc1source
Toe spring (relative)
AI estimated
18.9%
Lowvision_rocker · 0.3-bc1source
Midsole width (forefoot)
Externally measured
117.7mm
Mediumlab_table_widths · 1source
Midsole width (heel)
Externally measured
98.5mm
Mediumlab_table_widths · 1source
Interior forefoot width
Externally measured
93.7mm
Mediumlab_table_widths · 1source
Toebox width
Externally measured
70.6mm
Mediumlab_table_widths · 1source

Stiffness

Longitudinal stiffness
Derived
53/ 100
Mediumlab_bending_force_score · 1source
Midsole firmness
Derived
74/ 100
Mediumlab_midsole_firmness_score · 1source

How it compares

  • Brooks Cascadia 20's heel-to-toe drop is 6 mm, lower than the catalogue median of 7 mm (25% of the 91 other current shoes are lower).
  • Brooks Cascadia 20's heel stack is 38 mm, thinner than the catalogue median of 39 mm (34% of the 91 other current shoes are thinner).
  • Brooks Cascadia 20's forefoot stack is 33 mm, thicker than the catalogue median of 32 mm (52% of the 91 other current shoes are thinner).
  • Brooks Cascadia 20's weight is 306 g, heavier than the catalogue median of 268 g (87% of the 82 other current shoes are lighter).

Appears in:Earlier rocker

Compare:Brooks Cascadia 20 vs Brooks Cascadia 19Brooks Cascadia 20 vs Adidas Terrex Agravic Speed Ultra 2Brooks Cascadia 20 vs Saucony Xodus Ultra 4Previous version: Brooks Cascadia 19

What changed from the Brooks Cascadia 19

Stack higher, toe tip over ground higher, rocker apex starts earlier. Compared with the previous version in this catalogue; differences within measurement noise are shown as about the same.

Brooks 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 lengthBrooks Cascadia 19: heel 35 mm, forefoot 28 mm (drop 7 mm); rocker apex 71 % of length, radius 38 % of length.Brooks Cascadia 19: rocker apex at 71 % of length
  • Brooks Cascadia 2038/33 mm · apex 63 %
  • Brooks Cascadia 1935/28 mm · apex 71 %
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.
MeasureBrooks Cascadia 19Brooks Cascadia 20Change
Heel stack35 mm38 mmhigher (+3 mm)
Forefoot stack28 mm33 mmhigher (+5 mm)
Drop6 mm6 mmabout the same
Weight298 g306 gheavier (+8 g)
Rocker apex71% of length63.3% of lengthstarts earlier (−7.7 %)
Toe tip over ground27.7 mm42.7 mmhigher (+14.9 mm)
Rocker rise angle26.8°28.4°about the same
Stiffness40/10053/100stiffer (+13)
Firmness66/10074/100about the same
Forefoot base width121.5 mm117.7 mmnarrower (−3.8 mm)
FoamDNA Loft v3DNA Flash v2changed

Full side-by-side comparison →

Wrong value? Missing data? Tell me
Stored only to improve the site; see privacy.

Sources

  • The Brooks Cascadia 20 doesn’t have to be elite to be fun | Believe in the Runreviewbelieveintherun.comaccessed 2026-10-03open ↗
  • Brooks Cascadia 20 Review: Quick Evaluation (2026) - Doctors of RunningreviewBlueprintaccessed 2026-10-03open ↗
  • brooks-cascadia-20 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=c142ca6edcc659d9973a51dd98de9a176e5897f96858859b972723fbf471a55c; 0.3
  • brooks-cascadia-20 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=998557efea0abc548dc695a13993ce1af57a1f5adb45a9b6d21afd1d244bb1fe; 0.3
  • brooks-cascadia-20 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=4176cf22a173245184c155b38e91a08352039f21b16a89a97c6d2d81fae0ab00; 0.3
  • brooks-cascadia-20 lateral product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=48a4596b4dc17a64a267584f3c4faab9cc186442e95a35f8fb56faf1e9d2538f; 0.3
  • brooks-cascadia-20 lateral product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=f93ed64142d15ecc8bfd9ec551b494d6d7f6da0ff126f1be1dc0a6f5a33cd4b3; 0.3
  • brooks-cascadia-20 lateral product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=ecc9393f0984065ef93f2a01138a5bde25132236cb4d8199986552f6a0e951f2; 0.3
  • Cut in half: Brooks Cascadia 20 Review (2026) | RunRepeatlabRunRepeat - Athletic shoe reviewsaccessed 2026-10-03open ↗

All approved observations

Every recorded value, including superseded ones. The displayed value per metric is chosen by precedence (measured › stated › derived › AI estimated), then confidence, then recency. 85 further observations awaiting review.

MetricValueClassConfidenceMethodSourceRecorded
Heel-to-toe drop6 mmDerivedMediumderived_from_stack_v1believeintherun.com2026-10-03
Heel stack38 mmStatedMediumregex_specs_v2believeintherun.com2026-10-03
Heel stack39 mmStatedMediumregex_specs_v2Blueprint2026-10-03
Forefoot stack32 mmStatedMediumregex_specs_v2believeintherun.com2026-10-03
Forefoot stack33 mmStatedMediumregex_specs_v2Blueprint2026-10-03
Weight306 g (US M9)StatedMediumregex_specs_v2believeintherun.com2026-10-03
Weight306 g (size 9)StatedMediumregex_specs_v2Blueprint2026-10-03
Rocker apex63.3 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker apex63.3 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker radius44 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker radius44 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker rise angle28 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker rise angle28 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe tip over ground43 mmest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker angle at toe60 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe tip over ground43 mmest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker angle at toe60 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Visible rocker lift onset76.3 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Visible rocker lift onset76.3 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe spring (relative)18.9 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe spring (relative)18.8 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Midsole width (forefoot)117.7 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Midsole width (heel)98.5 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Interior forefoot width93.7 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Toebox width70.6 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Longitudinal stiffness53 DerivedMediumlab_bending_force_score 1RunRepeat - Athletic shoe reviews2026-10-03
Midsole firmness74 DerivedMediumlab_midsole_firmness_score 1RunRepeat - Athletic shoe reviews2026-10-03

Classes: Manufacturer stated · Externally measured · AI estimated · Derived · User reported.

Shoes with similar geometry

Compare these →

Closest current models from other lines by stack, drop, rocker, toe height, stiffness, firmness, weight and width, whichever both shoes have.

Side profile illustration of the Saucony Xodus Ultra 4
Saucony
Xodus Ultra 4
Trail · No plate
Drop
6 mm
Heel
38 mm
Apex
63%

vs this shoe: softer foam

Side profile illustration of the Hoka Mafate 5
Hoka
Mafate 5
Trail · TPU plate
Drop
8 mm
Heel
44 mm
Apex
62%

vs this shoe: 6 mm higher heel · 2 mm more drop

Side profile illustration of the Salomon Genesis 2
Salomon
Genesis 2
Trail · No plate
Drop
8 mm
Heel
34 mm
Apex
62%

vs this shoe: 4 mm lower heel · 2 mm more drop

Side profile illustration of the Hoka Speedgoat 7
Hoka
Speedgoat 7
Trail · No plate
Drop
4 mm
Heel
37 mm
Apex
59%

vs this shoe: earlier rocker · 31 g lighter · more flexible