Head-to-Head
Adizero Adios 9vsEndorphin Elite 2
The Adizero Adios 9 is a speed trainer shoe while the Endorphin Elite 2 is a race shoe. The Adizero Adios 9 retails for $140 while the Endorphin Elite 2 comes in at $290 — a $150 difference. The Adizero Adios 9 is the lighter shoe at 6.2 oz versus 7.0 oz for the Endorphin Elite 2. In our ratings, the Adizero Adios 9 edges out the Endorphin Elite 2 — 9.4/10 versus 8.8/10.
| Rating | 9.4 / 10✓ | 8.8 / 10 | |
| Price | $140✓ | $290 | |
| Weight | 6.2 oz✓ | 7.0 oz | |
| Category | Speed Trainer | Race Shoe | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Soft | |
| Drop | Medium | Medium | |
| Drop (mm) | 7 mm | 8 mm | |
| Stack | 28 mm | 39.5 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | High | Very High✓ | |
| Breathability | Warm | Breathable✓ | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | High✓ | |
| Durability | Good | Very Good✓ |

