ShoeGeometry

Nike ACG Pegasus Trail vs VJ FZN Tempo

Two shoes compared on measured geometry. Each cell carries a provenance badge; open a shoe for sources.

heel boneNike ACG Pegasus Trail: heel 35 mm, forefoot 31 mm (drop 4 mm); toe rocker 35 % of length, radius 49 % of length; heel bevel 16 % of length, 16 mm high at the back, reaching in front of the heel bone (the sole still curves up under it: a heel rocker).Nike ACG Pegasus Trail: toe rocker 35 % of lengthVJ FZN Tempo: heel 34 mm, forefoot 28 mm (drop 6 mm); toe rocker 39 % of length, radius 47 % of length; heel bevel 13 % of length (height not measured), ending about under the heel bone.VJ FZN Tempo: toe rocker 39 % of length
  • Nike ACG Pegasus Trail35/31 mm · toe rocker 35 % · heel bevel 16 %
  • VJ FZN Tempo34/28 mm · toe rocker 39 % · heel bevel 13 %
Illustrative profiles, not photographs: drawn from published stack heights and photo estimates of the unloaded shoes on a common length (300 mm), heels aligned, toe to the left; dots mark where each toe rocker starts; the dotted vertical line is under the heel bone (12 % of length), so a heel curve reaching past it is a bevel in front of the heel bone. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.

Which suits you

If you wantPickBecause
A smoother roll at toe-offVJ FZN Tempo34.8 vs 38.8 % toe rocker
More cushioning under the heelAbout the same35 vs 34 mm heel stack
More under the forefootNike ACG Pegasus Trail31 vs 28 mm forefoot stack
A lower dropNike ACG Pegasus Trail4 vs 6 mm drop

From the values below, with differences inside measurement noise shown as about the same. This describes the shoes, not what is right for your feet; comfort in the first few runs decides.

MetricNike ACG Pegasus Trail
Road/trail hybrid · Mixed
VJ FZN Tempo
Road/trail hybrid · Mixed
Heel-to-toe drop4 mmDerived6 mmStated
Heel stack35 mmStated34 mmStated
Forefoot stack31 mmStated28 mmStated
Weight—240 gStated
Toe rocker35 %est.39 %est.
Rocker radius49 %est.47 %est.
Rocker rise angle25 degest.—
Rocker angle at toe53 degest.60 degest.
Toe tip over ground35 mm*est.46 mm*est.
Visible rocker lift onset77.3 %est.73.3 %est.
Toe spring (relative)16 %est.—
Heel bevel length15.5 %*est.13 %est.
Heel bevel height16 mm*est.—
Midsole width (forefoot)114 mmMeasured—
Midsole width (heel)90.3 mmMeasured—
Interior forefoot width96.8 mmMeasured—
Toebox width76 mmMeasured—
Longitudinal stiffness41Derived—
Midsole firmness46Derived—
PlateNo plateRock plate
Primary foamReactXSuperFOAMance+ (nitrogen-infused supercritical foam)
List price$155$197

Key differences

  • Nike ACG Pegasus Trail's heel-to-toe drop is 4 mm, 2 mm lower than VJ FZN Tempo's 6 mm.
  • Nike ACG Pegasus Trail's heel stack is 35 mm, 1 mm thicker than VJ FZN Tempo's 34 mm.
  • Nike ACG Pegasus Trail's forefoot stack is 31 mm, 3 mm thicker than VJ FZN Tempo's 28 mm.
  • Nike ACG Pegasus Trail's toe rocker is 35 % of length, 4 % of length shorter than VJ FZN Tempo's 39 % of length.

Read more about both shoes

We measure the shape. For how they feel over many miles, and for lab tests of cushioning, grip and fit:

Nike ACG Pegasus Trail

VJ FZN Tempo

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