TIANJIN, Sept. 6 -- The 24-year-old Xie Zhenye clocked 20.20 seconds to take home the men's 200m title at the 13th Chinese National Games on Tuesday, breaking his own national record and personal best.

"20.20 seconds! An incredible number. Watch out for my Tokyo 2020 hopes," China's new 100m and 200m champion wrote on his twitter-like weibo account late that night.

Xie's winning time trimmed 0.2 seconds off his own national record in May, when he finished in 20.40 seconds for a PB as well as a national record at the IAAF Shanghai Diamond League.

At the post-match press conference, Xie disclosed that he was confident to improve on his score of 200m, but the personal best was beyond his expectations.

"I did not expect to run so fast, because I've contested 100m with the best sprinters in China, and I feel really exhausted both in body and mind," said Xie, who then extended his gratitude to his coaching staff.

In the 100m race a few days earlier, Xie stunned fellow Beijing Worlds relay runners-up Su Bingtian and Zhang Peimeng to win in a personal best of 10.04 seconds, which also broke the meet record of the quadrennial multi-sport competition.

Su was the first Chinese to qualify for the 100m final at the World Championships. Zhang was the last sprinter to complete the sprint double at the 12th Games in Shenyang.

"It feels like realizing my dream," Xie said. "I was so amazed with Zhang and his feat of 100m and 200m gold medals in Shenyang."

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