He was headed for a third straight gold medal entering his fourth and final run in the men's singles luge after scores that ranked him second, first, and second (respectively) on his first three runs.
With a final time of 3:10.728, Mazdzer won silver thanks to a strong closing run over the last two rounds. He ended a 54-year drought for Team USA. He finished just.026 behind gold medalist David Gleirscher from Austria.
Mazdzer put together two phenomenal runs to climb from fourth to third in runs 3 and 4 to win the silver medal in men's singles luge - the first men's singles luge medal in USA history.
His time of 47.534 was the fastest of the third run and left him second overall going into the final run behind reigning two-time Olympic champion Felix Loch of Germany.
After the event Sunday, Mazdzer said his silver capped years of struggle.
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Chris Mazdzer slides in a training session for the men's singles luge at the Olympic Winter Games PyeongChang 2018 on February 8, 2018 in PyeongChang, South Korea.
Chris Mazdzer celebrates winning the silver medal in the luge men's singles at the Olympic Winter Games PyeongChnang 2018 on February 11, 2018 in PyeongChang, South Korea. It was on his third run that Mazdzer really clinched his medal. It's a huge jump in performance for Mazdzer though, who finished 13th at the 2010 Vancouver Games and the 2014 Sochi Games. But it was only with his second and third runs - which he finished second and first, respectively - that Mazdzer climbed the leader board.
Heading into the fourth and final run, he was in the right state of mind.
Chris Mazdzer reacts following his track-record run during the luge men's singles at the Olympic Winter Games PyeongChnag 2018 on February 11, 2018 in PyeongChang, South Korea.