Head-to-Head
Endorphin Speed 5vsAdrenaline GTS 25
The Endorphin Speed 5 is a speed trainer shoe while the Adrenaline GTS 25 is a daily trainer shoe. The Endorphin Speed 5 retails for $175 while the Adrenaline GTS 25 comes in at $155 — a $20 difference. The Endorphin Speed 5 is the lighter shoe at 8.4 oz versus 10.6 oz for the Adrenaline GTS 25. In our ratings, the Endorphin Speed 5 edges out the Adrenaline GTS 25 — 8.8/10 versus 8.2/10.
| Rating | 8.8 / 10✓ | 8.2 / 10 | |
| Price | $175 | $155✓ | |
| Weight | 8.4 oz✓ | 10.6 oz | |
| Category | Speed Trainer | Daily Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | High | |
| Drop (mm) | 8 mm | 10 mm | |
| Stack | 36 mm | 37 mm | |
| Stability | Neutral | Stability | |
| Fit | Medium | Medium | |
| Energy Return | High✓ | Low | |
| Breathability | Breathable✓ | Warm | |
| Traction | Medium | Medium | |
| Shock Absorption | Medium | Medium | |
| Durability | Good | Very Good✓ |
