Time Out says
Trail races through the countryside in south-west Karlovac County
Trail races through the countryside in south-west Karlovac County. You can choose from one of two races; Kosjenka is 13.5 km long, with a gradient of 600m, which runs over the Stošac, or a more challenging race across the Klek named Regoč, which is 33 km long and has a gradient of 1600m. There's a 1.5 km Tintilinić race to welcome the youngest participants too.
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