Head-to-Head
Glycerin FlexvsSpeedgoat 7
The Glycerin Flex and Speedgoat 7 are both daily trainer shoes built for road running. The Glycerin Flex retails for $170 while the Speedgoat 7 comes in at $165 — a $5 difference. The Glycerin Flex is the lighter shoe at 9.1 oz versus 9.6 oz for the Speedgoat 7. In our ratings, the Speedgoat 7 edges out the Glycerin Flex — 8.5/10 versus 8.0/10.
| Rating | 8.0 / 10 | 8.5 / 10✓ | |
| Price | $170 | $165✓ | |
| Weight | 9.1 oz✓ | 9.6 oz | |
| Category | Daily Trainer | Daily Trainer | |
| Terrain | Road | Trail | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Balanced | |
| Drop | Medium | Medium | |
| Drop (mm) | 6 mm | 5 mm | |
| Stack | 36 mm | 38 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Low | Medium✓ | |
| Breathability | Medium | Medium | |
| Traction | High | High | |
| Shock Absorption | High✓ | Medium | |
| Durability | Good | Good |

