Guo Zhongze (born 7 August 1996 in Fushun, Liaoning) is a Chinese sprinter specialising in the 400 metres. He competed at the 2015 World Championships in Beijing without advancing from the first round. Guo holds the Chinese national record for the 400 metres. His personal bests in the event are 45.14 seconds outdoors (Tianjin 2017) and 47.95 seconds indoors (Doha 2016).
Guo received a one-year ban for an anti-doping rule violation after failing to submit to a doping control in November 2018.
International competitions Representing 2015World ChampionshipsBeijing, China42nd (h)400 m46.422016Asian Indoor ChampionshipsDoha, Qatar5th400 m47.95
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