Vršič Pass

Overview

Vršič Pass is a Category 1 climb in Slovenia (SI), running 9.3 km from a start elevation of 805 m to a summit at 1,607 m. Over that distance it delivers a net elevation gain of 802 m at an average gradient of 8.6%, placing it firmly among the hard, sustained efforts rather than the short and punchy ones. This is a climb you settle into, not one you sprint over.

The average is only half the story. While the net gain is 802 m, the total ascent is 949 m — a gap of 147 m of extra climbing hidden in the profile. That mismatch means the road undulates: it gives back altitude in places and forces you to reclaim it. Every metre you coast down has to be re-earned, and those repeated re-accelerations tax your legs more than a single steady grade of the same average would.

How the Gradient Unfolds

An 8.6% average masks real variation. The 147 m of undulation implies short descents and flatter breaks stitched between the hard pitches, and the pain is concentrated where the road ramps up to its maximum of 24.96% — a wall that will empty your gears if you arrive at it already redlined.

• Recovery sections where the gradient eases and the road briefly gives back elevation
• Repeated short climbs as you reclaim the 147 m of descent baked into the total ascent
• The steepest ramp at 24.96%, the single hardest pitch — approach it with something in reserve

Pacing Notes

On an undulating climb like this, chase even effort, not even speed. Hold a steady sustainable power output through the flatter and descending sections rather than surging to keep your speed up — those surges cost far more than they return. Let your speed rise on the eases and fall on the ramps while your power stays flat. Save headroom for the 24.96% pitch, where holding pace is impossible and holding effort is all that matters. If you do not know your ceiling, run the numbers through the FTP estimator before you commit to a target.

Gearing

The 24.96% maximum gradient governs your setup. A compact or sub-compact chainset paired with a wide-range cassette — think 34×32 or 34×34 — gives you a low enough bailout gear to spin through the steepest ramp without grinding to a crawl. On a 9.3 km climb at 8.6% average, running out of gears early turns a hard day into a walking one. Check your chainset and cassette before the ride; do not discover your lowest gear halfway up the wall.

Summary

• Length: 9.3 km
• Average gradient: 8.6%
• Maximum gradient: 24.96%
• Net elevation gain: 802 m
• Total ascent: 949 m
• Category: 1

Vršič Pass rewards riders who respect its undulation and gear conservatively. Pace by effort, protect your legs for the 24.96% ramp, and let the 147 m of hidden climbing be a challenge you planned for rather than one that surprises you.