Ain nsour is a climb of 21.7 kilometers (hors catégorie). Ain nsour tops out at 1,509 m above sea level. It is located in Khemis Milana, Aïn Defla, Algérie ⵍⵣⵣⴰⵢⴻⵔ الجزائر. The average gradient is 6.4% with a maximum of 19.3%. The climb has 1376 meters of elevation gain.
Difficulty analysis: This HC climb is genuinely hard because of its irregular profile. The first section (km 0-5) is relatively gentle, but a brutal stretch of 13% and 11% comes early, at km 4-6. After a recovery section (km 6-11), the gradient ramps up steadily to peak in a demanding finale, with 10-13% pitches between km 17 and 21.
Pacing tips:
1. Start controlled: Resist the temptation to go out too hard over the first kilometres at 2-3%, so you have something left for the steep ramps at km 4.
2. Plan for the changes of rhythm: Use the two kilometres of slight descent (km 9-11) to recover actively before the second half, which is more consistent and harder.
3. Save something for the final: The last third (km 15-21.7) is the steepest on average. Settle into a steady, controlled rhythm from km 15 so you hit the final in the best possible shape.
21.7 km • 1376 m D+
VAM: average climbing speed, based on elevation gain
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