Endorphin Speed 5 FAQs
1. What is the Endorphin Speed 5 and who is it for?
The Endorphin Speed 5 is Saucony’s up‑tempo running shoe designed to go fast and feel smooth—whether you’re pushing the pace on track night or chasing a PR. It’s built for runners who want a lightweight, responsive shoe for speed day and race day.
2. What’s new in the Endorphin Speed 5 compared to the Speed 4?
Speed 5 introduces three key upgrades:
- More outsole coverage in the heel for improved durability
- A full‑length longitudinal groove for smoother transitions
- Localized rigidity trussing in the nylon plate for better medial‑to‑lateral stability
3. What is the plate made of?
The Speed 5 uses a full‑length semi‑rigid nylon plate positioned between two layers of responsive PWRRUN PB foam, delivering propulsion and cushioning with every stride.
4. What cushioning does the Endorphin Speed 5 use?
The shoe uses PWRRUN PB, Saucony’s lightweight, responsive superfoam engineered for fast transitions and a snappy ride.
5. What is “Snappy Ride”?
Snappy Ride refers to the combination of the nylon plate and PWRRUN PB foam, creating a balance of propulsion and cushioning that feels fast and energetic.
6. What is “Natural Flow”?
A full‑length groove enhances your gait cycle, giving you smoother transitions from foot strike to push‑off.
7. How has the outsole been improved?
The outsole has expanded heel coverage for greater durability during your quickest strides.
8. What is the weight and offset?
Weight: 8.3oz (237g)
Offset: 8mm (36/28mm)
9. What sizes does the Endorphin Speed 5 come in?
Men’s UK sizes: 6–14, Women's UK Sizes 3-10
10. Is the Endorphin Speed 5 vegan?
Yes — the Endorphin Speed 5 is vegan and contains recycled materials.
11. What is the shoe best for?
Speed Day and Race Day — ideal for intervals, tempo runs, and fast efforts.
12. What makes the Endorphin Speed 5 feel fast?
A combination of PWRRUN PB foam, a redesigned nylon plate, optimized outsole, and full‑length groove creates snappy transitions and a smooth, fast ride.
13. How does the Endorphin Speed 5 compare to other Endorphin models?
Speed 5 is the versatile fast trainer with a nylon plate. Pro uses a carbon plate for race‑day efficiency, while Elite is the top‑tier racing shoe.
14. Is the Endorphin Speed 5 comfortable for longer runs?
Yes — although designed for speed, it’s proven capable during long, moderate training sessions thanks to its smooth ride and responsive cushioning.
15. What’s the key message behind the shoe?
“Make Fast Friends” — Speed 5 is built to help you run faster with ease, whether during intervals or long up‑tempo runs.
