{"tracks": [{"distance": "4.070", "elevation_down": 0, "distance_miles": "2.529", "name": "4 trening", "wt_id": 107646, "laps": 1, "elevation_up": 0, "fixed_distance": false, "max_h": 142, "heights": ["136", "136", "137", "138", "138", "138", "139", "139", "139", "139", "139", "139", "139", "139", "139", "139", "138", "137", "137", "138", "138", "139", "139", "140", "140", "139", "139", "139", "140", "140", "140", "140", "141", "141", "141", "142", "142", "142", "142", "141", "140", "140", "140", "139", "138", "138", "137", "137", "136", "136", "134", "133", "132", "131", "130", "129", "129", "129", "129", "129", "129", "129", "129", "128", "127", "127", "127", "128", "130", "131", "132", "134", "135", "136", "135", "136", "136", "137", "137", "138", "138", "139", "139", "140", "141", "141", "142", "142", "142", "142", "142", "141", "140", "139", "137", "136", "135", "135", "136", "136"], "min_h": 127, "total_distance": "4.070", "line": [[16.2053060532, 51.3896629056], [16.2059873343, 51.3896997282], [16.2067490816, 51.3897198132], [16.2071621418, 51.3896762956], [16.207510829, 51.3896093454], [16.2078756094, 51.3894988774], [16.2085086107, 51.3892879832], [16.2089914083, 51.3890770881], [16.2100213766, 51.3883372735], [16.2106382847, 51.3878953876], [16.2126606703, 51.3864391425], [16.2147206068, 51.3849493726], [16.2113946676, 51.3831649326], [16.2079882622, 51.3813134608], [16.2066417933, 51.382304493], [16.2059551477, 51.3828133931], [16.2055742741, 51.383084581], [16.2052738667, 51.3832921558], [16.2046247721, 51.3835767326], [16.2037503719, 51.3838512639], [16.2028437853, 51.3841224456], [16.200799942, 51.3847049787], [16.1997377872, 51.3850029382], [16.1987668276, 51.3853042435], [16.1982947588, 51.3862114954], [16.1983752251, 51.3863454056], [16.1984503269, 51.3864994019], [16.1991477013, 51.3870551231], [16.1997914314, 51.38760749], [16.199914813, 51.3878418254], [16.1998718977, 51.3882067168], [16.19985044, 51.3884109207], [16.1999094486, 51.3885983859], [16.2002581358, 51.3888628444], [16.2006765604, 51.3891775145], [16.2011539936, 51.3894386221], [16.2031388283, 51.3895591328], [16.2051075697, 51.3896562106], [16.2066257, 51.3897265082], [16.2076878548, 51.3895490902], [16.208358407, 51.3893214586], [16.2083262205, 51.388581648], [16.2081867456, 51.3882971022], [16.207934618, 51.3880761596], [16.2075215578, 51.3879355592], [16.2068617344, 51.3878116966], [16.2061697245, 51.3876978766], [16.2055742741, 51.3877079196], [16.2052202225, 51.3877447437], [16.2049305439, 51.3878317825], [16.2046355009, 51.3880326405], [16.2043887377, 51.3883941827], [16.2043136358, 51.3887925454], [16.2042653561, 51.3891674718], [16.204238534, 51.3894888349], [16.2042224407, 51.3896093454], [16.204892993, 51.3896361255], [16.2053757906, 51.3896629056], [16.2056922913, 51.3896896856], [16.2060731649, 51.3897097707], [16.2058210373, 51.3896930332], [16.2059283257, 51.3896997282]], "total_distance_miles": "2.529", "has_map": true, "back_and_forth": false}], "elevation_up": 0, "has_map": true, "elevation_down": 0}