Saucony Endorphin Speed 4
Nylon-plated tempo trainer built around Saucony's SPEEDROLL rocker geometry.
This entry is development sample data. Its figures were entered manually from memory of published specs and have not been verified against a source yet.
Specifications
- Heel-to-toe drop Manufacturer stated
- 8mm
- Heel stack Manufacturer stated
- 36mm
- Forefoot stack Manufacturer stated
- 28mm
- Weight Manufacturer stated
- 232g
- Plate
- Nylon plateWinged nylon plate
- Primary foam
- PWRRUN PB
- List price
- $170
Plate, foam and price from Development seed data (unverified).
Geometry
Normalised to shoe length so values are comparable across images and sizes. See how rocker onset is defined.
No approved geometry measurements yet for this shoe. Rocker onset, toe spring and heel bevel are added as side-profile images are analysed and reviewed.
Sources
- Development seed data (unverified)otherShoeGeometry seed fileaccessed 2026-10-02Placeholder source for values entered manually during development. Not a real publication.
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Every recorded value, including superseded ones.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. 3 further observations awaiting review.
| Metric | Value | Class | Confidence | Method | Source | Recorded |
|---|---|---|---|---|---|---|
| Heel-to-toe drop | 8 mm | Stated | Medium | seed_manual | ShoeGeometry seed file | 2026-10-02 |
| Heel stack | 36 mm | Stated | Medium | seed_manual | ShoeGeometry seed file | 2026-10-02 |
| Forefoot stack | 28 mm | Stated | Medium | seed_manual | ShoeGeometry seed file | 2026-10-02 |
| Weight | 232 g (US M 9) | Stated | Low | seed_manual | ShoeGeometry seed file | 2026-10-02 |
Classes: Manufacturer stated · Externally measured · AI estimated · Derived · User reported.