Paso Onzaga is a climb of 23.4 kilometers (hors catégorie). Paso Onzaga tops out at 3,359 m above sea level. It is located in n/a, Santander, Colombia. The average gradient is 7.1% with a maximum of 17.4%. The climb has 1668 meters of elevation gain.
Difficulty analysis: This hors catégorie climb of 23.4 km has real difficulty because of its uneven profile. The first section (KM 0-10) is moderate, with an average gradient of 4.8%, and serves as a warm-up. The difficulty peaks between KM 10 and 12 with a brutal stretch at 8% and 10%, followed by several kilometres between 7% and 9%. The finale stays demanding (KM 22-23.4 at 6-8%), so there's no let-up until the summit.
Pacing advice:
1. Manage your pace in the first half: Use the first 10 km (gradient under 7%) to settle into a steady rhythm without going too deep, saving your legs for the hard sections ahead.
2. Prepare for the peak (KM 10-12): Ease off slightly before the 10 km mark so you hit the 10% ramps with something in the tank, and avoid blowing up your legs.
3. Stay smooth after the peak: The gradient stays high (often above 7%) until KM 21. Find a gear that lets you keep a steady cadence and avoid surging and stomping on the pedals.
23.4 km • 1668 m D+
VAM: average climbing speed, based on elevation gain
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