In production · trail · Trail / Long run / Race day · $210
The Mont Blanc ultra racer with dual-BOA micro-adjustable fit.
Built for trail, long run, race day, at a target pace of 8:00–11:00 /mi on trail.
Altra tuned this midsole soft (4/5 on our cushioning scale). Energy return is above average: the midsole rebounds well without feeling unstable. 30 mm of heel stack keeps you low and connected, with more ground feel than most current trainers. Combined, the ride reads as lively at 3/5 responsiveness.
A rock plate sits between the foam and the outsole to spread the load of sharp stones and roots. It is protection, not propulsion — it does not add pop, but it keeps the underfoot bruising out of long days on technical ground.
A 0 mm drop is close to level. That loads the calf and Achilles more than most runners are used to, so ease into it. The rocker is moderate — enough curve to smooth the roll-through without dictating your footstrike. Forefoot flex is middle of the road. Support is light — neutral, with a mildly steady platform.
The toe-box is unusually roomy — foot-shaped rather than tapered, which suits splayed or bunion-prone feet. It fits true to size. Expect roughly 350 miles from the outsole, about $0.60 per mile at $210.
For the foams and plates Altra uses across its line, read the Altra brand guide.
Measured against the 542 currently-available shoes in the catalog. The bar shows where this shoe sits in that range.
Weight
270 g / 9.5 oz
5 g lighter than the catalog median of 275 g
Heel stack
30 mm
6 mm lower than the catalog median of 36 mm
Drop
0 mm
6 mm lower than the catalog median of 6 mm
Price
$210
50 pricier than the catalog median of 160
Responsiveness
3 / 5
Catalog median 3 / 5
Cushioning
4 / 5
Catalog median 4 / 5
Energy return
4 / 5
Catalog median 3 / 5
Durability
~350 mi
Catalog median ~400 mi
Within the Altra line it is lighter than the brand's median (294 g / 10.4 oz) and sits taller than its median stack (30 mm).
Current shoes with the nearest combination of weight, stack, drop, foam feel and plate.
Altra Mont Blanc
265 g / 9.3 oz · 30 mm · 0 mm drop · Rock · $195
Altra's long-distance trail racer: light, roomy and quick over ultras.
Altra Mont Blanc Speed
245 g / 8.6 oz · 30 mm · 0 mm drop · Rock · $230
Leaner, faster Mont Blanc built for trail race day.
Altra Timp 6
289 g / 10.2 oz · 30 mm · 0 mm drop · Rock · $165
More cushion than Lone Peak, same foot-shaped zero-drop platform.
Altra Mont Blanc Carbon(2024)
264 g / 9.3 oz · 29 mm · 0 mm drop · Carbon · $260
Carbon-plated zero-drop mountain racer for runners who won't give up toe room.