Head-to-Head
Adizero Avanti XCvsChallenger 8
The Adizero Avanti XC is a xc spike shoe while the Challenger 8 is a daily trainer shoe. The Adizero Avanti XC retails for $140 while the Challenger 8 comes in at $155 — a $15 difference. The Adizero Avanti XC is the lighter shoe at 6.3 oz versus 9.7 oz for the Challenger 8. In our ratings, the Adizero Avanti XC edges out the Challenger 8 — 9.3/10 versus 9.0/10.
| Rating | 9.3 / 10✓ | 9.0 / 10 | |
| Price | $140✓ | $155 | |
| Weight | 6.3 oz✓ | 9.7 oz | |
| Category | XC Spike | Daily Trainer | |
| Terrain | Trail | Trail | |
| Cushion | Low | High | |
| Softness | Balanced | Soft | |
| Drop | Low | Medium | |
| Drop (mm) | — | 8 mm | |
| Stack | — | 42 mm | |
| Stability | Neutral | Neutral | |
| Fit | Medium | Medium | |
| Energy Return | High✓ | Low | |
| Breathability | — | Breathable✓ | |
| Traction | — | Medium✓ | |
| Shock Absorption | — | High✓ | |
| Durability | — | Very Good✓ |
