Head-to-Head
Adizero Boston 13vsEndorphin Azura
The Adizero Boston 13 is a speed trainer shoe while the Endorphin Azura is a daily trainer shoe. The Adizero Boston 13 retails for $160 while the Endorphin Azura comes in at $150 — a $10 difference. The Endorphin Azura is the lighter shoe at 8.5 oz versus 9.0 oz for the Adizero Boston 13. In our ratings, the Adizero Boston 13 edges out the Endorphin Azura — 9.2/10 versus 8.6/10.
| Rating | 9.2 / 10✓ | 8.6 / 10 | |
| Price | $160 | $150✓ | |
| Weight | 9.0 oz | 8.5 oz✓ | |
| Category | Speed Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 8 mm | |
| Stack | 36 mm | 40 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Medium | |
| Energy Return | Medium | High✓ | |
| Breathability | Medium | Medium | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | Medium | |
| Durability | Very Good | Very Good |
