ShoeGeometry

New Balance Fresh Foam X Hierro v9

TrailTrailNo plate2025Men'sCurrent

Specifications

Heel-to-toe drop
Manufacturer stated
4mm
Mediumregex_specs_v2source
Heel stack
Manufacturer stated
42mm
Mediumregex_specs_v2source
Forefoot stack
Manufacturer stated
38mm
Mediumregex_specs_v2source
Weight
No approved value yet.
Plate
No plate
Primary foam
Fresh Foam X
List price
$160

Plate, foam and price from New Balance Hierro v9 Review: Hoppin' Trail Hero | Believe in the Run.

Geometry

Catalogue average: heel 39 mm, forefoot 32 mm, rocker apex 65 %New Balance Fresh Foam X Hierro v9: heel 42 mm, forefoot 38 mm (drop 4 mm); rocker apex 61 % of length, radius 50 % of length.42 mm38 mmRocker apex at 61 % of length from the heelrocker apex 61 %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. New Balance Fresh Foam X Hierro v9: heel 42 mm, forefoot 38 mm (drop 4 mm); rocker apex 61 % of length, radius 50 % 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
60.7%
Lowvision_rocker · 0.3-bc1source
Rocker radius
AI estimated
50%
Lowvision_rocker · 0.3-bc1source
Rocker rise angle
AI estimated
26deg
Lowvision_rocker · 0.3-bc1source
Rocker angle at toe
AI estimated
62deg
Lowvision_rocker · 0.3-bc1source
Toe tip over ground
AI estimated
44mm

Average of two photos 0.1 mm apart.

Lowvision_rocker · 0.3-bc1source
Visible rocker lift onset
AI estimated
71.6%
Lowvision_rocker · 0.3-bc1source
Toe spring (relative)
AI estimated
20%
Lowvision_rocker · 0.3-bc1source
Midsole width (forefoot)
Externally measured
116.9mm
Mediumlab_table_widths · 1source
Midsole width (heel)
Externally measured
94.1mm
Mediumlab_table_widths · 1source
Interior forefoot width
Externally measured
94.7mm
Mediumlab_table_widths · 1source
Toebox width
Externally measured
73.4mm
Mediumlab_table_widths · 1source

Stiffness

Longitudinal stiffness
Derived
54/ 100
Mediumlab_bending_force_score · 1source
Midsole firmness
Derived
35/ 100
Mediumlab_midsole_firmness_score · 1source

How it compares

  • New Balance Fresh Foam X Hierro v9's heel-to-toe drop is 4 mm, lower than the catalogue median of 7 mm (4% of the 91 other current shoes are lower).
  • New Balance Fresh Foam X Hierro v9's heel stack is 42 mm, thicker than the catalogue median of 39 mm (74% of the 91 other current shoes are thinner).
  • New Balance Fresh Foam X Hierro v9's forefoot stack is 38 mm, thicker than the catalogue median of 32 mm (90% of the 91 other current shoes are thinner).

Appears in:Low dropHigh stackEarlier rocker

Compare:New Balance Fresh Foam X Hierro v9 vs ASICS METAFUJI Trail 2New Balance Fresh Foam X Hierro v9 vs Nike ACG Zegama

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

Sources

  • New Balance Hierro v9 Review: Hoppin' Trail Hero | Believe in the Runreviewbelieveintherun.comaccessed 2026-10-03open ↗
  • New Balance Fresh Foam X Hierro v9 Men's Shoes Angora | Running Warehouseretailerrunningwarehouse.comaccessed 2026-10-03open ↗
  • new-balance-fresh-foam-x-hierro-v9 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=82a6d33e3f4df39b9587b1845650f9675b6840dfe359ecdd575bab76f210cb85; 0.3
  • new-balance-fresh-foam-x-hierro-v9 lateral product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=214101aef8731caafdd70d758ee6b74ee369995232aa762ff2642d03338a6ea6; 0.3
  • new-balance-fresh-foam-x-hierro-v9 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=95e33d3a5a957cadf80276bfee29efccb4ef450889414295e94d84e94f93e4ce; 0.3
  • new-balance-fresh-foam-x-hierro-v9 medial product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=bf1d9fe57f66d301c643869079f45114f305b38b80bf4d157ce1d4be9daf465b; 0.3
  • new-balance-fresh-foam-x-hierro-v9 lateral product photoimageRunning Warehouseaccessed 2026-10-03open ↗sha256=04d17477300b7aa3f4b6120b371285beb6284e6273a29f7ffe286d46625603dc; 0.3
  • Cut in half: New Balance Fresh Foam X Hierro v9 Review (2025) | 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. 84 further observations awaiting review.

MetricValueClassConfidenceMethodSourceRecorded
Heel-to-toe drop4 mmStatedMediumregex_specs_v2believeintherun.com2026-10-03
Heel stack42 mmStatedMediumregex_specs_v2runningwarehouse.com2026-10-03
Heel stack42 mmStatedMediumregex_specs_v2believeintherun.com2026-10-03
Forefoot stack38 mmStatedMediumregex_specs_v2believeintherun.com2026-10-03
Forefoot stack38 mmStatedMediumregex_specs_v2runningwarehouse.com2026-10-03
Rocker apex60.5 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker apex60.7 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker radius51 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker radius50 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker rise angle26 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker rise angle26 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe tip over ground44 mmest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker angle at toe62 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe tip over ground44 mmest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Rocker angle at toe62 degest.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Visible rocker lift onset71.7 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Visible rocker lift onset71.6 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe spring (relative)20 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Toe spring (relative)20.1 %est.Lowvision_rocker 0.3-bc1Running Warehouse2026-10-03
Midsole width (forefoot)116.9 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Midsole width (heel)94.1 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Interior forefoot width94.7 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Toebox width73.4 mmMeasuredMediumlab_table_widths 1RunRepeat - Athletic shoe reviews2026-10-03
Longitudinal stiffness54 DerivedMediumlab_bending_force_score 1RunRepeat - Athletic shoe reviews2026-10-03
Midsole firmness35 DerivedMediumlab_midsole_firmness_score 1RunRepeat - Athletic shoe reviews2026-10-03

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

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 Salomon Ultra Glide 4
Salomon
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Drop
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Heel
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Apex
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Side profile illustration of the Hoka Tecton X 4
Hoka
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Drop
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Heel
38 mm
Apex
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vs this shoe: 4 mm lower heel

Side profile illustration of the Saucony Xodus Ultra 4
Saucony
Xodus Ultra 4
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Drop
6 mm
Heel
38 mm
Apex
63%

vs this shoe: firmer foam · 4 mm lower heel · later rocker

Side profile illustration of the Hoka Challenger 8
Hoka
Challenger 8
Road/trail hybrid · No plate
Drop
7 mm
Heel
44 mm
Apex
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vs this shoe: more flexible · 3 mm more drop