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Kozakov from okres Jablonec nad Nisou: what you need to know

Everything about cycling up Kozakov from okres Jablonec nad Nisou

Kozakov is a climb of 8.4 kilometers (category 1). Kozakov tops out at 742 m above sea level. It is located in okres Jablonec nad Nisou, Severovýchod, Česko. The average gradient is 5.5% with a maximum of 13.4%. The climb has 459 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

category 1
Difficulty score: 306 (Hard)
Altitude
742 m
Distance
8.4 km
Avg. gradient
5.5 %
Max gradient
13.4 %
Elevation gain
459 m
Steepest section: 13.4% (km 8.0)
Tips

Difficulty analysis: The Pelechov climb has a two-part profile. The first section (KM 0-4) is uneven, with a stretch of moderate gradients (4-7%) followed by a short flat and a slight descent. The real difficulty lies in the second half (KM 4-8.4), where the gradient settles in between 5% and 9% for good, with a particularly punishing finish (8-9% over the final 2.4 km). The distance and that steep finale make it a Category 1 climb.

Tips for managing the effort:

1. Pacing the first section: Resist the urge to go too hard in the opening kilometres. Use the flat and the slight descent around KM 4 to recover and prepare for the sustained effort ahead.

2. Preparing for the finale: Tackle the last 4 kilometres with something left in the tank. The gradient ramps up progressively to peak at 9%, so you'll need a steady cadence and disciplined power output.

Estimated times

8.4 km • 459 m D+

Leisure 1h 25min
5.9 km/h 350 m/h
Regular 55min
9.2 km/h 550 m/h
Trained 35min
14.4 km/h 800 m/h
Climber 25min
20.2 km/h 1100 m/h
Pro 20min
25.2 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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