The Altra King MT 2 and Altra Lone Peak 9 are both neutral trail running shoes. The King MT 2 is 0.9 oz lighter (10.3 oz vs 11.2 oz) and is rated higher by buyers (4.4 vs 4.2 out of 5). The Lone Peak 9 has more cushioning and sits higher off the ground (25 mm vs 19 mm heel stack).
Specs side by side
| Spec | King MT 2 | Lone Peak 9 |
|---|---|---|
| Price | $150 | $145 |
| Rating | 4.4 / 5 (110 reviews) | 4.2 / 5 (304 reviews) |
| Weight | 10.3 oz | 11.2 oz |
| Heel-to-toe drop | 0 mm | 0 mm |
| Heel stack height | 19 mm | 25 mm |
| Cushioning | Firm / responsive | Balanced |
| 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 King MT 2 if…
- you want the lighter shoe
- you prefer a firmer, more responsive feel
- you like feeling closer to the ground
Get the Lone Peak 9 if…
- you want a softer, more cushioned ride
More comparisons
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- Altra Lone Peak 9 vs Hoka Speedgoat 7
- Altra Lone Peak 9 vs Saucony Peregrine 16
- Altra Lone Peak 9 vs Nike ACG Pegasus Trail
- Altra Lone Peak 9 vs Brooks Cascadia 20
- Altra Lone Peak 9 vs ASICS TRABUCO 14