Kostitsio is a climb of 6.7 kilometers (hors catégorie). Kostitsio tops out at 854 m above sea level. It is located in Πάτερο, Αποκεντρωμένη Διοίκηση Ηπείρου - Δυτικής Μακεδονίας, Ελλάς. The average gradient is 10.1% with a maximum of 18.9%. The climb has 679 meters of elevation gain.
Difficulty breakdown: At 6.7 km with an average gradient of 10.1%, this climb is a serious test and rates as beyond category (HC). The real difficulty is the extremely steep central section (KM 1.0 to 4.0), where the gradient consistently sits between 10 and 13%, gaining nearly 400m of elevation in just 3 km. The final part is more manageable, with the gradient easing progressively after KM 4.0.
Pacing advice:
1. Managing the start: The first kilometres (8%) are deceptive. Don't go too hard here, or you'll arrive at the toughest part (KM 1.5-4.0) with nothing left in the tank.
2. Surviving the central wall: On the 11-13% stretches, find a sustainable rhythm (low cadence, steady power) and don't try to attack. The gradient drops to 2% at KM 1.5, so use that to recover.
3. Enjoying the finale: After KM 4.0, the gradients become more reasonable (6-9%). If you've paced yourself well, you can pick up the tempo slightly over the last few kilometres.
6.7 km • 679 m D+
VAM: average climbing speed, based on elevation gain
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