Alto Iscayachi is a climb of 26.6 kilometers (hors catégorie). Alto Iscayachi tops out at 3,815 m above sea level. It is located in Municipio Villa San Lorenzo, Tarija, Bolivia. The average gradient is 7.0% with a maximum of 20.2%. The climb has 1868 meters of elevation gain.
Difficulty analysis: At 26.6 km averaging 7%, this HC climb is a test of endurance. The difficulty lies in its length and the relentless steep gradients, especially the kilometre at 10% (KM 2.0-3.0) and the equally steep finale (KM 25.0-26.0 at 10%). Stretches of 8-9% are frequent from KM 13.0 on, leaving little respite.
Pacing advice:
1. Ride within yourself from the start: Resist the urge to go too hard in the first kilometres, despite the modest opening gradient (4%). This climb is a marathon.
2. Anticipate the gradient changes: Pick out the short easier sections (like KM 4.0-5.0 at 2%) to recover actively without slowing down too much.
3. Save something for the finale: The last 3 kilometres average 8.5%. Pace yourself accordingly to avoid blowing up near the top.
26.6 km • 1868 m D+
VAM: average climbing speed, based on elevation gain
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