Seraidi is a climb of 10.8 kilometers (hors catégorie). Seraidi tops out at 859 m above sea level. It is located in Annaba ⵄⴻⵍⵍⴰⴲⴰ عنابة, Annaba, Algérie ⵍⵣⵣⴰⵢⴻⵔ الجزائر. The average gradient is 7.6% with a maximum of 15.8%. The climb has 820 meters of elevation gain.
Difficulty breakdown: This climb has a progressive difficulty, with a steady first half at 7-8% followed by a tough core between km 5 and 7 (gradients of 10-11%). The km 8-9 section (4%) gives you a welcome breather before an uneven finish. With 820m of climbing over 10.8km, this is a genuine HC climb.
Pacing advice:
1. Settle into a steady rhythm from the bottom to save your legs for the steepest ramps (km 5-7).
2. Use the 4% breather (km 8-9) to recover while keeping a good tempo without going into the red.
3. Be ready for the uneven finish (8% then 3%) and adjust your gearing so you don't blow up at the top.
10.8 km • 820 m D+
VAM: average climbing speed, based on elevation gain
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