张水华，再签约

Core Viewpoint - Zhang Shuihua has officially become a signed athlete for the Xtep brand and has also entered into an endorsement partnership with the renovation industry company LinYinDaDao, indicating her growing commercial value in the sports and endorsement market [1][3]. Group 1 - On February 15, Zhang Shuihua announced her signing as an athlete for the Xtep brand through her personal Douyin account [1]. - On February 16, she revealed her endorsement collaboration with LinYinDaDao, a company in the renovation industry [3]. Group 2 - Zhang Shuihua achieved her personal best time of 2 hours 35 minutes and 27 seconds at the Harbin Marathon on August 31, 2025, securing the first place among domestic female competitors [6]. - Despite facing criticism for her marathon participation, Zhang Shuihua continued to excel, winning the women's group championship at the Yichang Marathon on November 2, 2025, with a time of 2 hours 35 minutes and 41 seconds, earning a prize of $15,000 [6]. - After resigning from her hospital job on January 2, Zhang Shuihua competed in the Chongqing Marathon, finishing sixth internationally and fourth domestically in the women's group [6].