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Bsibsa from Merzakallah: what you need to know

Everything about cycling up Bsibsa from Merzakallah

Bsibsa is a climb of 9.4 kilometers (hors catégorie). Bsibsa tops out at 938 m above sea level. It is located in Merzakallah, Bouira, Algérie ⵍⵣⵣⴰⵢⴻⵔ الجزائر. The average gradient is 8.5% with a maximum of 15.7%. The climb has 794 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

Hors catégorie
Difficulty score: 903 (Very hard)
Altitude
938 m
Distance
9.4 km
Avg. gradient
8.5 %
Max gradient
15.7 %
Elevation gain
794 m
Steepest section: 15.7% (km 2.3)
Tips

Difficulty breakdown: This HC climb is seriously hard, with a fairly moderate opening (KM 0-3) followed by a demanding core between KM 2.5 and 7.0. That central section strings together almost 5 kilometers of steep gradients, between 9% and 12%, with only a very brief breather. The finale, after a flat section, ends with a last steep kicker at 10% before the flat finish.

Pacing advice:

1. Managing your pace on the central section: Don't get caught out by the string of 9-12% ramps after KM 2.5. Settle into a steady, controlled rhythm from the start of this stretch to avoid blowing up.

2. Making the most of the short recoveries: The brief sections with easier gradients (KM 1.5-2.0, KM 7.0-8.5) are key to recovering a little and bringing your heart rate down before the next hard efforts.

3. Saving something for the finale: After the flat section around 8.5 km, the last kilometer averages 10%. Keep some energy in reserve so you can tackle that final ramp in a suitable gear.

Estimated times

9.4 km • 794 m D+

Leisure 2h 35min
3.6 km/h 350 m/h
Regular 1h 40min
5.6 km/h 550 m/h
Trained 1h 10min
8.0 km/h 800 m/h
Climber 50min
11.2 km/h 1100 m/h
Pro 35min
16.0 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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