Head-to-Head
Adizero Adios 9vsEndorphin Pro 5
The Adizero Adios 9 is a speed trainer shoe while the Endorphin Pro 5 is a race shoe. The Adizero Adios 9 retails for $140 while the Endorphin Pro 5 comes in at $240 — a $100 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 7.3 oz for the Endorphin Pro 5. In our ratings, the Adizero Adios 9 edges out the Endorphin Pro 5 — 9.4/10 versus 8.5/10.
| Rating | 9.4 / 10✓ | 8.5 / 10 | |
| Price | $140✓ | $240 | |
| Weight | 6.2 oz✓ | 7.3 oz | |
| Category | Speed Trainer | Race Shoe | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 8 mm | |
| Stack | 28 mm | 39.5 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | High✓ | High✓ | |
| Breathability | Warm | Medium✓ | |
| Traction | Medium | High✓ | |
| Shock Absorption | Medium | Medium | |
| Durability | Good✓ | Decent |

