Head-to-Head
Mach 6vsFast-R Nitro Elite 3
The Mach 6 is a daily trainer shoe while the Fast-R Nitro Elite 3 is a race shoe. The Mach 6 retails for $140 while the Fast-R Nitro Elite 3 comes in at $300 — a $160 difference. The Fast-R Nitro Elite 3 is the lighter shoe at 6.0 oz versus 8.2 oz for the Mach 6. In our ratings, the Mach 6 edges out the Fast-R Nitro Elite 3 — 9.0/10 versus 8.8/10.
| Rating | 9.0 / 10✓ | 8.8 / 10 | |
| Price | $140✓ | $300 | |
| Weight | 8.2 oz | 6.0 oz✓ | |
| Category | Daily Trainer | Race Shoe | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 5 mm | 8 mm | |
| Stack | 37 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Medium | Very High✓ | |
| Breathability | Breathable✓ | Medium | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | High✓ | |
| Durability | Decent✓ | Bad |

