Portezuelo Ocharaza is a climb of 74.6 kilometers (hors catégorie). Portezuelo Ocharaza tops out at 4,228 m above sea level. It is located in Huara, Región de Tarapacá, Chile. The average gradient is 4.2% with a maximum of 16.6%. The climb has 3147 meters of elevation gain.
Climb analysis: Extremely long HC climb (74.6 km) with 3,147m of elevation gain. The 4.2% average gradient is deceptive. The real difficulty is the cumulative fatigue over a near-marathon distance, plus very steep sections (>8%) late in the climb (km 64-65 at 10%, km 73 at 9%), coming after more than 60 km of effort.
Pacing advice:
1. Pace management: Ride at a steady, controlled effort over the first 50 km (mostly 2% to 5% gradients) to save your legs. The real work starts after km 60.
2. Prepare for the spikes: Stay alert on the steep sections (km 41, 44, 64-65, 73-74.6). Drop into an easier gear before each one so you don't blow up your legs.
3. Fuelling strategy: At this length, you need to be strict with your hydration and nutrition. Plan a feed stop every 20-25 km to keep your energy levels steady.
74.5 km • 3147 m D+
VAM: average climbing speed, based on elevation gain
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