Glaubenbielen

Overview

Glaubenbielen is an HC climb in Switzerland, and the numbers explain the category instantly. Over 10.6 km the road averages 10.6% — a figure that would be a steep pitch on most climbs but here is sustained for the entire ascent. You begin at 493 m and finish at 1617 m, a net gain of 1124 m, with 1091 m of that logged as total ascent. There is nowhere to hide: an average this high means the flatter-than-average sections barely exist, and the climb demands respect from the first pedal stroke.

How the Gradient Unfolds

Read the shape from the data. With a 10.6% average and a 15.35% maximum, the spread between typical and hardest is only about 4.75 percentage points. That tightness matters: it tells you this is not a climb of dramatic ramps and recovery flats but a relentlessly steep wall that hovers near double-digit gradients almost throughout. The steepest 15.35% pitches sting, but they are not wildly harder than the baseline you are already grinding. The net gain of 1124 m against 1091 m of total ascent confirms an overwhelmingly upward road with negligible descending — you climb, and you keep climbing, for the full 10.6 km.

Pacing Notes

On a climb this steep and this long, pacing is everything. A 10.6% average sustained for 10.6 km means most riders will be on it for a long, continuous effort with no coasting to recover. Anchor your pace to your FTP: riding the lower slopes above threshold will cost you dearly before the summit. Aim to settle just below or right at your sustainable power and hold it, letting the 15.35% pinches nudge you briefly into the red rather than living there. If you are not sure what your threshold is, run the numbers through the FTP estimator before you commit to a target — misjudging by even a little over 1124 m of climbing compounds quickly. Start conservatively; the top half will feel exactly as hard as the bottom.

Gearing

Gear for survival, not ego. At a 10.6% average with ramps to 15.35%, you want the lowest gearing you can reasonably fit. A compact 34-tooth chainring paired with a wide cassette is the sensible baseline: a 34×32 gives most fit riders a fighting chance on the sustained 10.6% grades, but on a climb this long many will be grateful for the extra relief of 34×34, which keeps your cadence viable when the road tips toward its 15.35% maximum. If your bike allows an even easier ratio, there is no shame in using it here — spinning a low gear over 1124 m of gain beats grinding yourself to a stop.

Summary

Glaubenbielen is a pure HC test: 10.6 km that never relents from its 10.6% average, topping out at 1617 m after 1124 m of climbing. Pace to your threshold, gear low, and treat every kilometre with respect.

Length: 10.6 km
Average gradient: 10.6%
Max gradient: 15.35%
Start: 493 m
Summit: 1617 m
Net gain: 1124 m
Total ascent: 1091 m
Category: HC