Head-to-Head
Mach 6vsEndorphin Speed 5
The Mach 6 is a daily trainer shoe while the Endorphin Speed 5 is a speed trainer shoe. The Mach 6 retails for $140 while the Endorphin Speed 5 comes in at $175 — a $35 difference. The Mach 6 is the lighter shoe at 8.2 oz versus 8.4 oz for the Endorphin Speed 5. In our ratings, the Mach 6 edges out the Endorphin Speed 5 — 9.0/10 versus 8.8/10.
| Rating | 9.0 / 10✓ | 8.8 / 10 | |
| Price | $140✓ | $175 | |
| Weight | 8.2 oz✓ | 8.4 oz | |
| Category | Daily Trainer | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 5 mm | 8 mm | |
| Stack | 37 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Medium | High✓ | |
| Breathability | Breathable | Breathable | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | Medium | |
| Durability | Decent | Good✓ |
