China’s Jiayu Xu took the silver medal with a time of 52.31, and the USA’s David Plummer took the bronze at 52.40.
3. It was an Olympic record for the 21-year-old, who is at the games for the first time.
Note: Olympic video and gifs are only available in the US.
4. Victory was a dream come true: specifically, a dream he wrote down as a young child.
Ryan Murphy wrote this when he was a young boy. Ryan, this isn't the end - it's just the beginning!