Girl of 17 swims Baltic Sea. Jenny Kammersgaard, 17-year-old Danish girl, has swung from Gedser, the most southerly point in Denmark, to Warnemunde, German. She started her son across the Baltic at 6:51 AM on Wednesday came ashore at 9:50 AM today (Friday), a time of 50 hours and 59 minutes. The distance between the two points 27 miles. At times during her attempt . She had been carried far off her course by currents. Photo shows, Jenny Kammersgaard with a bouquet after her arrival in Warnemunde. 1 August 1938