ShoeGeometry

ASICS GT-1000 15 vs Saucony Guide 19

Two popular shoes in the same category, compared on measured geometry. Each cell carries a provenance badge; open a shoe for sources.

heel boneASICS GT-1000 15: heel 36 mm, forefoot 28 mm (drop 8 mm); toe rocker 31 % of length, radius 41 % of length; heel bevel 10 % of length, 17 mm high at the back, ending about under the heel bone.ASICS GT-1000 15: toe rocker 31 % of lengthSaucony Guide 19: heel 35 mm, forefoot 29 mm (drop 6 mm); toe rocker 33 % of length, radius 45 % of length; heel bevel 13 % of length, 27 mm high at the back, ending about under the heel bone.Saucony Guide 19: toe rocker 33 % of length
  • ASICS GT-1000 1536/28 mm · toe rocker 31 % · heel bevel 10 %
  • Saucony Guide 1935/29 mm · toe rocker 33 % · 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-offAbout the same31.4 vs 33.4 % toe rocker
More cushioning under the heelAbout the same36 vs 35 mm heel stack
More under the forefootAbout the same28 vs 29 mm forefoot stack
A lower dropSaucony Guide 198 vs 6 mm drop
A stiffer, snappier forefootAbout the same24 vs 16 /100 stiffness
A firmer, more stable feelASICS GT-1000 1550 vs 38 /100 firmness
A wider base under the forefootAbout the same119.4 vs 120 mm forefoot base

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.

MetricASICS GT-1000 15
Stability · Road
Saucony Guide 19
Stability · Road
Heel-to-toe drop8 mmDerived6 mmStated
Heel stack36 mmStated35 mmStated
Forefoot stack28 mmStated29 mmStated
Weight269 gStated275 gStated
Toe rocker31 %est.33 %est.
Rocker radius41 %est.45 %est.
Rocker rise angle30 degest.29 degest.
Rocker angle at toe55 degest.65 degest.
Toe tip over ground38 mmest.35 mmest.
Visible rocker lift onset78.3 %est.77.8 %est.
Toe spring (relative)17.8 %est.18.4 %est.
Heel bevel length10 %est.13 %*est.
Heel bevel height17 mmest.27 mm*est.
Midsole width (forefoot)119.4 mmMeasured120 mmMeasured
Midsole width (heel)99.8 mmMeasured104.2 mmMeasured
Toe box shape—77 %*est.
Interior forefoot width96.9 mmMeasured96.2 mmMeasured
Toebox width73.3 mmMeasured72.8 mmMeasured
Longitudinal stiffness24Derived16Derived
Midsole firmness50Derived38Derived
PlateNo plateNo plate
Primary foamFF Blast + PureGEL heelPWRRUN
List price$115$150

Key differences

  • ASICS GT-1000 15's heel-to-toe drop is 8 mm, 2 mm higher than Saucony Guide 19's 6 mm.
  • ASICS GT-1000 15's heel stack is 36 mm, 1 mm thicker than Saucony Guide 19's 35 mm.
  • ASICS GT-1000 15's forefoot stack is 28 mm, 1 mm thinner than Saucony Guide 19's 29 mm.
  • Weight is about the same: 269 g for ASICS GT-1000 15, 275 g for Saucony Guide 19.
  • Toe rocker is about the same: 31 % of length for ASICS GT-1000 15, 33 % of length for Saucony Guide 19.

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:

ASICS GT-1000 15

Saucony Guide 19

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ASICS GT-1000 15 details · Saucony Guide 19 details · Add more shoes