Oštrelj is a climb of 8.1 kilometers (category 1). The climb finishes at 1,036 m above sea level. It is located in Kolunić, Federacija Bosne i Hercegovine, Bosna i Hercegovina / Босна и Херцеговина. The average gradient is 4.9% with a maximum of 10.8%. The climb has 400 meters of elevation gain.
Difficulty breakdown: At 8.1 km, with 400 m of elevation gain and an average gradient of 4.9%, the Oštrelj is a Cat 1 climb whose difficulty is concentrated in its first half. Between km 0.0 and km 5.0, the gradient varies between 5% and 8%, with a peak at 8% between km 0.5 and km 1.0. The section from km 5.0 to km 7.0 is more rolling, at 3%, but another 8% ramp awaits between km 5.5 and km 6.0.
Pacing tips:
1. Set your pace from the start. Don't go out too hard on the first kilometres at 6%: the km 0.5 to km 1.0 section, at 8%, will burn through your reserves too quickly.
2. Prepare for the 8% ramp between km 5.5 and km 6.0. Shift into an easier gear before the kick, then use the km 6.0 to km 7.0 stretch, at 3%, to recover and get some food and water in.
3. Don't ease off in the final. After the short descent from km 7.5 to km 8.0 (-1%), the last 100 metres ramp back up to 6%: save something for that final dig.
8.1 km • 400 m D+
VAM: average climbing speed, based on elevation gain
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