Comparison Overview
The Saucony Endorphin Speed 5 is the latest evolution of the Endorphin Speed 4 line. We recommend the Endorphin Speed 4 for most runners.
How the Saucony Endorphin Speed 4 and Saucony Endorphin Speed 5 differ
The Saucony Endorphin Speed 4 and the Saucony Endorphin Speed 5 are both speed training shoes from Saucony, which makes this a classic same-line comparison: same design language, similar fit philosophy, but meaningful changes in feel and intended use.
Where they actually differ: the Saucony Endorphin Speed 4 comes in roughly 0.5 oz lighter (7.8 oz vs 8.3 oz), which becomes noticeable on faster turnover and longer efforts; the Saucony Endorphin Speed 4 rides on the taller stack (38mm/30mm vs 32mm/24mm), giving it more under-foot cushioning at the cost of a slightly less stable platform; and the Saucony Endorphin Speed 4 is $5 cheaper at MSRP ($170 vs $175).
Head-to-Head Comparison
| Feature | Saucony Endorphin Speed 4 | Saucony Endorphin Speed 5 |
|---|---|---|
| Brand | Saucony | Saucony |
| Model | Endorphin Speed 4 | Endorphin Speed 5 |
| Category | speed training | speed training |
| Weight | 7.8 oz | 8.3 oz |
| Drop | 8mm | 8mm |
| Price | $170 | $175 |
Frequently Asked Questions
- Which is lighter, the Saucony Endorphin Speed 4 or the Saucony Endorphin Speed 5?
- The Saucony Endorphin Speed 4 is the lighter shoe at 7.8 oz versus 8.3 oz.
- Which costs less?
- The Saucony Endorphin Speed 4 is the more affordable option at $170 compared to $175.
- Can I rotate both shoes in the same training block?
- Yes — many runners pair complementary shoes like these to spread load across different muscles and tendons. Use our rotation planner to build a mileage split that fits your schedule.
Read the full reviews
- Saucony Endorphin Speed 4 — full specs, AI insights, and verdict.
- Saucony Endorphin Speed 5 — full specs, AI insights, and verdict.
- Browse the full running shoe database
- See more shoe comparisons
Not sure which is right for you?
Use our AI-powered shoe finder for personalized recommendations, or build a smart shoe rotation with the rotation planner.