
Mittelallalin
A practical profile of the Mittelallalin cycling climb, a 12.6 km HC ascent averaging 14.32% with a brutal 30.51% maximum gradient.
- Length
- 12.6km
- Avg
- 14.3%
- Max
- 30.5%
- Summit
- 2,838m
- Ascent
- 1,765m
The climb
Gradient profile
Mittelallalin cycling climb profile
Mittelallalin is a climb where the headline number tells you almost everything you need to know, but not quite enough to survive it well. At 12.6 km with an average gradient of 14.32%, this is not a climb that rewards optimistic pacing. It is listed as HC, and that classification makes sense because the difficulty is not just the altitude gain, but the sustained steepness required to get there.
The climb starts at 1031 m and reaches 2838 m, with a listed net elevation gain of 1807 m. That means the road is asking for serious vertical speed almost immediately and then keeps asking. There is no need to invent a complex tactical profile here. With an average this high and a maximum gradient of 30.51%, the central problem is simple: keeping the effort below the point where muscular fatigue takes over before the upper slopes.
How the gradient rides
The available profile data does not break the climb into intermediate sections, so the safest way to read Mittelallalin is as a persistently steep ascent with at least one extreme ramp. An average gradient of 14.32% across 12.6 km means the climb cannot be made up of long, forgiving recovery sections. Even if the road briefly eases, the overall arithmetic says those moments are not the defining feature.
That changes how the climb feels. On a more moderate ascent, a rider can float slightly above threshold on steeper bends and recover when the gradient settles. Here, the baseline is already hard enough that every surge carries a cost. The 30.51% maximum gradient is the danger point. It is not just a short spike in gradient, it is a pacing trap. If you treat it as a place to prove strength rather than preserve momentum, the rest of the climb becomes damage control.
Pacing and gearing notes
This is a climb to ride from restraint, not emotion. Start below the effort you think you can hold, especially if using FTP as the reference point. On gradients this steep, the limiter is often not just aerobic power. Torque demand rises, cadence drops, and the legs can load up well before the cardiovascular system feels fully maxed.
Practical approach:
- Use the easiest gearing you have available and avoid bringing a setup that only works on normal Alpine gradients.
- Keep the first part deliberately controlled, because the average gradient leaves little room to recover from early overpacing.
- Stay seated when possible to manage traction and torque, but accept that the steepest ramps may force short standing sections.
- Do not chase speed. On a climb averaging 14.32%, steady forward motion is the performance target.
- Treat the 30.51% maximum gradient as a section to survive efficiently, not attack.
What defines the climb
Mittelallalin is not subtle. Its difficulty comes from the combination of 12.6 km of climbing, an HC rating, and an average gradient that would be considered severe even over a much shorter ascent. The listed summit elevation of 2838 m adds another layer, because the upper portion comes after a large vertical gain rather than as an isolated steep ramp.
The right mindset is to remove every unnecessary acceleration. Ride the climb like a long strength-endurance test, keep the pedals turning, and protect the legs from repeated low-cadence spikes. If you finish with something left, that means you paced it correctly. If you go too deep early, Mittelallalin has more than enough gradient to make that mistake permanent.