Austrian Matthias Mayer became the first male alpine skier to win gold at three straight Olympics when he topped the men’s super-g at the Beijing Games on Tuesday. The day after securing a downhill bronze, Mayer moved to the top of the podium when he beat America’s Ryan Cochran-Siegle and Norwegian star Aleksander Aamodt Kilde in Yanqing. Meyer also won super-g gold 2018 in Pyeongchang, and downhill gold 2014 in Sochi. “That’s such a big success, I can’t imagine right now,” he said, looking at the record of getting gold at three Games in a row. “I tried to push hard, really hard. I saw Kilde’s…