Pol e Zanguleh Pass is a climb of 74.4 kilometers (hors catégorie). Pol e Zanguleh Pass tops out at 2,770 m above sea level. It is located in دهستان کلارستاق شرقی, استان مازندران, ایران. The average gradient is 5.1% with a maximum of 16.8%. The climb has 3791 meters of elevation gain.
Difficulty analysis: With 3791 m of elevation gain over 74.4 km, this hors catégorie climb is extremely demanding. The average gradient of 5.1% is misleading: the profile shows a first half (0-40 km) that is moderate (sections at 0-4%), followed by a much steeper second half, with many kilometers between 7% and 10%, notably at KM 52 (10%). The length and the accumulated climbing make this the main test.
Pacing advice:
1. Ride within yourself from the start. The first 40 km (gradients mostly under 5%) are your chance to save energy without losing time. Resist the temptation to push.
2. Anticipate the hard sections. Identify the critical kilometers (e.g. KM 41 to 45, KM 52, KM 60-70) and ease off slightly before reaching them so you tackle them with fresher legs.
3. Manage your effort with power. On a climb this long, use a power meter or your perceived exertion to hold a steady output, especially on the variable gradients, to avoid surges that burn you out early.
74.4 km • 3791 m D+
VAM: average climbing speed, based on elevation gain
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