CHKO Jizerské hory, Unknown
7.7 miles (12.5 km) · 1,250 ft elevation gain · Point to Point · trail · Route
Tři Iseriny covers 7.7 miles across CHKO Jizerské hory, Unknown. Runners face 1,250 feet of climbing with 882 feet of loss. The longest climb spans 0.9 miles with 214 feet of gain. Elevation gain averages 165 feet per mile. The course is 77% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. The course features very hilly terrain. The course difficulty of 9.8 puts it in the top 36.69% of challenging routes at this distance. Popular among trail runners and hikers seeking Unknown adventures.
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