Perbatasan Jatim is a climb of 20.1 kilometers (hors catégorie). Perbatasan Jatim tops out at 1,918 m above sea level. It is located in Tunggulrejo, Jawa Tengah, Indonesia. The average gradient is 7.4% with a maximum of 21%. The climb has 1492 meters of elevation gain.
Breaking down the climb: This 20.1 km HC climb gets progressively harder, but the difficulty is real. The first half (KM 0-10) is relatively moderate, averaging 5.7%, and works as a warm-up. The real test starts after KM 10, with a punchy stretch of 9%, 9%, 12%, 13% and 12% between KM 11 and 16. This 6 km section, averaging 11.5%, is the heart of the effort.
How to manage the effort:
1. Pacing: Use the first 10 km to find a steady rhythm and save your legs. Know that the big effort is coming from KM 11, and don't burn matches on the easier sections.
2. Gearing on the steep ramps: Prepare mentally and mechanically (right gear ratio) for the critical KM 11 to 16 section. Keep a steady cadence to avoid blowing up your legs.
3. Stay focused to the summit: Even after the peak difficulty, the last 4 km still hold a respectable gradient (7.5% on average). Stay switched on so you don't ease off too early.
20.1 km • 1492 m D+
VAM: average climbing speed, based on elevation gain
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