<prompt> Feleletša polelo ye e latelago: Cai Zelin yo a belegwego ka 11 April 1991, kua Huize, Yunnan ke monna wa mo-China yo a sepelago ka maoto. O feditše 4th ka 20 km go sepela nakong ya 2012 London Olympics, gomme a thopa sefoka sa silibera ka 2016 Rio Olympics. O feditše 5th ka 2015 World Championships ka 20 km lebelo go sepela. Ka 2019, o ile a phadišana ka  <response>: Go sepela dikhilomithara tše 20 ga banna go Dipapadi tša Lefase tša Athletics tša 2019 tšeo di bego di swaretšwe Doha, Qatar. Ga se a ka a fetša lebelo la gagwe. 