Cai Zelin
Cai Zelin is a Chinese male racewalker. He finished 4th at the 20 km walk during the 2012 [London Olympics], and won the silver medal at the 2016 Rio Olympics. He finished 5th at the 2015 [World Championships in Athletics|2015 World Championships] in the 20 km race walk. In 2019, he competed in the 2019 [World Athletics Championships – Men's 20 kilometres walk|men's 20 kilometres walk] at the 2019 [World Athletics Championships] held in Doha, Qatar. He did not finish his race.