Chuquicamata is a climb of 45.9 kilometers (hors catégorie). Chuquicamata tops out at 3,000 m above sea level. It is located in n/a, Región de Antofagasta, Chile. The average gradient is 3.7% with a maximum of 11%. The climb has 1689 meters of elevation gain.
Difficulty breakdown: This 45.9 km climb builds gradually. The first third is fairly flat (0-3%), the middle third (roughly km 15-30) mixes sections at 2-3% with short but steep ramps (up to 11%). The real difficulty is concentrated in the final third (from KM 30), where the gradient holds steadily between 5% and 8%, making the effort sustained and demanding.
How to manage the effort:
1. Pacing: Start very easy over the first flat kilometers to save your legs. The goal is to reach the steepest final third with something left in the tank.
2. Anticipate gradient changes: Spot the short, very steep sections (like at KM 18 and KM 21) so you're not caught off guard and can shift gears smoothly before they hit.
3. Keep a steady cadence: On the long final section at a constant 5-8%, find a gear that lets you hold a stable cadence and avoid muscle fatigue.
45.9 km • 1689 m D+
VAM: average climbing speed, based on elevation gain
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