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China's top sprinter Su Bingtian renewed the men's 100m world leading time of the season to 10.05 seconds on March 20 at a competition organized by Chinese Athletics Association in southern China's city Shenzhen.

The women's competition saw Liang Xiaojing's dominance. She set the winning mark of 11.45s in 100m.

In the afternoon, Su Bingtian and Xie Zhenye joined hands and ruled in men's 4x100m relay, finishing first in 38.29s with teammates Wu Zhiqiang and Wang Zhihong. (Xinhua)