New Balance Fresh Foam X Hierro v9: specs and the races it suits

297 g · 4 mm drop · 33 mm heel stack · 3.3 mm lugs. We scored it against 50 shoes in our catalog for each of our 249 trail races.

New Balance Fresh Foam X Hierro v9
New BalanceNew Balance Fresh Foam X Hierro v9

The model breaking into Spain's best-seller charts. Fresh Foam X midsole with a solid balance between cushioning and ground feel, a Vibram Megagrip outsole, and a comfortable last suited to wide feet. A reliable all-rounder for training runs and mountain races of any distance.

297 g · 4 mm drop · 33 mm heel stack · 3.3 mm lugs

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What terrain is it for?

Based on its verified specs, this is how it handles each type of race.

  • Likely mud Not its terrain

    3.3 mm lugs: little grip in mud

  • Rock and technical ground Not its terrain

    Not precise on technical rock

  • Ultra: cushioning Copes

    Medium cushioning for an ultra (33 mm at the heel)

  • Mixed trail Built for it

    Built for fire roads and mixed trail

Which races does it suit? Checked against 249 races

For each race we score all 50 shoes in the catalog on its terrain, distance and recent weather, and see where this one ranks. Versions of the same model (women's, GTX) count as one.

Does the job in 140 · not its terrain in 109.

Does the job, but there are more specialised options (140)

Show 132 more races

Not its terrain (109)

Show 101 more races

Criteria: mud when it often rains around race day on soft ground; rock for skyrunning and vertical kilometres; ultra from 50 km; mixed otherwise.

Specs

Weight (per shoe)297 g
Drop4 mm
Heel stack33 mm
Forefoot stack29 mm
Lug depth3.3 mm
FitMedium
Stable platform–
Waterproof–
Carbon plate–
Terrainmixed

Brand-stated specs or values measured by independent sources. Green marks the better value when one is clearly better.

Head-to-head comparisons

The New Balance Fresh Foam X Hierro v9 is a versatile shoe: it does the job in many races, though each one has a more specialised option.

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