Searle Pass

Searle Pass Cycling Climb Profile

Searle Pass is a Category 2 cycling climb in the US, and the key number is not just its 11.8 km length. It starts at 2993 m and rises to 3666 m, which means the entire effort happens high enough that pacing mistakes are likely to cost more than they would on a lower climb.

On paper, the gradient is controlled rather than savage: 5.69% average, with a maximum gradient of 8.28%. That combination usually rewards riders who can settle into a repeatable climbing rhythm instead of those waiting to attack one decisive wall. The climb gains 673 m from start to summit, so the work is sustained, but the max gradient suggests the steepest sections are ramps to manage rather than sections that should force a complete change of plan.

How the gradient rides

The bottom-to-summit story is one of steady accumulation. At 11.8 km, a 5.69% average is long enough to expose over-pacing, especially because the road begins already high at 2993 m. The climb does not need double-digit gradients to become selective. The altitude, duration, and consistent rise do that work on their own.

The practical reading is simple: treat the opening as the first part of a long aerobic effort, not as free speed. If the early gradient feels moderate, that is exactly where riders tend to ride too close to threshold and quietly spend the legs they need higher up. With a maximum of 8.28%, the harder ramps are likely to feel more like pressure points than stand-alone cruxes. They are where cadence can drop, breathing can spike, and a steady ride can become ragged if the gearing is too ambitious.

Pacing and gearing notes

Use a gear that lets you stay smooth on the average gradient while still leaving room for the 8.28% maximum sections. This is not a climb where grinding a big gear makes much sense. The cost of low-cadence surges is amplified by the elevation and by the length of the effort.

A sensible pacing model is:

• Start slightly under your target effort for the first part of the climb.
• Hold a controlled rhythm through the middle, where the cumulative gain begins to matter.
• Use the steeper ramps as places to protect cadence, not prove strength.
• Only lift the pace late if breathing and leg tension are still stable.

For riders using power, this is a climb to anchor around sustainable climbing output rather than chasing speed changes. If you are estimating effort from feel, keep the first half below the point where breathing becomes forced. Once that line is crossed at this elevation, it is hard to recover without giving away significant time.

If you are setting targets, connect this climb to your current /glossary/ftp and choose gearing that keeps the steepest ramps manageable. Searle Pass is not defined by one brutal pitch. It is defined by a long, steady rise to 3666 m, where disciplined pacing is the difference between finishing strong and slowly bleeding speed before the summit.