Alto do Petropolis is a climb of 18.8 kilometers (hors catégorie). Alto do Petropolis tops out at 886 m above sea level. It is located in Duque de Caxias, Rio de Janeiro, Brasil. The average gradient is 6.8% with a maximum of 13.1%. The climb has 1278 meters of elevation gain.
Difficulty breakdown: This 18.8 km beyond-category climb is genuinely hard because of its uneven profile. The 6.8% average gradient is misleading: the climb alternates easier sections (KM 3-5, 13, and 17 at 2%) with some very punchy stretches, notably KM 16-17 at 9% and KM 12-13 at 8%. The effort is therefore broken up, which makes pacing tricky.
Tips for the effort:
1. Pacing on the hard sections: Don't get carried away on the 7-9% ramps. Holding a steady power output is crucial to avoid blowing up early.
2. Make the most of the breathers: The 2-3% sections (KM 3-5, 13, 17.0-18.0) are your chance to recover actively by keeping a steady rhythm without forcing it.
3. Save something for the finish: The final segment (KM 18-18.8 at 6%) requires you to hold back some energy for a strong finish after the breather at KM 17.
18.8 km • 1278 m D+
VAM: average climbing speed, based on elevation gain
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