Running-shoe geometry, documented
Drop, stack, rocker and toe spring — with a source behind every number.
ShoeGeometry is a structured database of running-shoe geometry. Each value is labelled as manufacturer stated, externally measured, AI estimated or derived, carries a confidence score, and links to where it came from.
Where did this number come from?
Every datapoint keeps its source URL, publisher, access date, extraction method and algorithm version. Nothing is overwritten when a better method arrives — it is appended.
Four kinds of value, always labelled
Plus a confidence indicator, so you can tell a published spec from an estimate at a glance.
Geometry beyond drop
Rocker onset as a percentage of shoe length, toe spring, heel bevel and (where available) longitudinal and torsional stiffness — normalised so shoes can be compared without lab equipment.
Recently added
All shoes →- Drop
- — mm
- Heel
- — mm
- Rocker
- —
- Drop
- 0 mm
- Heel
- 24 mm
- Rocker
- —
- Drop
- 6.5 mm
- Heel
- 39.5 mm
- Rocker
- —
- Drop
- 4 mm
- Heel
- 40 mm
- Rocker
- —
- Drop
- 12 mm
- Heel
- 35.5 mm
- Rocker
- —
- Drop
- 8 mm
- Heel
- 39.5 mm
- Rocker
- —
What “shoe geometry” means here
Running shoes differ in far more than cushioning. The heel-to-toe drop sets the slope the foot rests on; the stack heights set how far it sits from the ground; the rocker describes where and how strongly the sole curves up toward the toe; toe spring is how high the toe sits off the ground; and a plate changes how much the forefoot bends. These are product characteristics with biomechanical consequences — for example, an earlier, stiffer rocker shifts bending away from the toes. We describe geometry; we do not diagnose or prescribe. Read the methodology for definitions and conventions.