Group 1 - The 2025 World Athletics Championships commenced in Tokyo, Japan, featuring top athletes from around the world, with China sending 73 athletes to compete in 33 of the 49 events [1][2] - In the men's and women's 35km race walk, Chinese athletes Zhou Yingcheng and Peng Li finished fourth, while the men's and women's 100m heats saw Chinese athletes fail to advance [1][2] - The weather conditions in Tokyo prompted the organizers to adjust the start time of the 35km race walk from 8:00 AM to 7:30 AM [1] Group 2 - In the men's 100m heats, veteran Xie Zhenye and newcomer Deng Xinrui both finished fifth in their respective heats, failing to qualify for the next round [2] - The Chinese mixed 4x400m relay team made its debut at the championships but finished sixth in their heat, ranking 14th overall and not advancing to the finals [2] - In the women's discus qualification, 2022 world champion Feng Bin qualified for the finals with a throw of 65.52m, surpassing the qualifying standard [2]