 Complete the following phrase:  At Arlts debut Olympics, the 2014 Winter Olympics in Sochi, Arlt won a gold in the luge double with Tobias Wendl, in a time of 1 minute and 38:933 seconds at the Sanki Sliding track, half a second ahead of the second placed Austrians Andreas Linger and Wolfgang Linger. This was the biggest ever winning margin in Olympic luge doubles. In Arlt and Wendls first run, they set a track record of 49.373 seconds. Arlt then won the 