The Altra Mont Blanc Speed and Altra Olympus 275 HiLo are both neutral trail running shoes with maximum cushioning. The Mont Blanc Speed is 0.4 oz lighter (10.1 oz vs 10.5 oz). The Olympus 275 HiLo sits higher off the ground (33 mm vs 29 mm heel stack) and is rated higher by buyers (3.9 vs 3.5 out of 5).
Specs side by side
| Spec | Mont Blanc Speed | Olympus 275 HiLo |
|---|---|---|
| Price | $195 | $200 |
| Rating | 3.5 / 5 (35 reviews) | 3.9 / 5 (21 reviews) |
| Weight | 10.1 oz | 10.5 oz |
| Heel-to-toe drop | 0 mm | 0 mm |
| Heel stack height | 29 mm | 33 mm |
| Cushioning | Max | Max |
| Support | Neutral | Neutral |
| Surface | Trail | Trail |
| Available for | Men & Women | Men & Women |
Specs and prices from Altra, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Mont Blanc Speed if…
- you want the lighter shoe
- you like feeling closer to the ground
Get the Olympus 275 HiLo if…
- you want more foam under your heel
More comparisons
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- Altra Olympus 275 HiLo vs New Balance Fresh Foam X Hierro v9
- Altra Olympus 275 HiLo vs Altra Mont Blanc Carbon
- Altra Olympus 275 HiLo vs Altra Timp 5 BOA
- Altra Olympus 275 HiLo vs Altra Olympus 7