On February 23, Beijing time, the men's 4x400 meters relay final of the 2025 National Indoor Athletics Grand Prix (4th Leg) and the World Athletics Indoor Championships Nanjing 25 Test Event kicked off at the "Nanjing's Cube". Teams from Guangxi, Jiangsu, Guangdong, Zhejiang, and Shandong Zhongtai Securities competed fiercely for the top spot. The Zhejiang team, consisting of Ye An'an, Zhong Hanzhe, Ding Wenhao, and Feng Mingkun, defeated their strong rivals and clinched the championship with a time of 3:13.00! For more information, please visit the official website of the World Athletics Indoor Championships Nanjing 25 (www.worldathleticsnanjing25.cn).

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