2020 Tour of Qinghai Lake Marathon held in Qinghai

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Athletes compete during the one-day full marathon competition at the 2020 Tour of Qinghai Lake Marathon, northwest China's Qinghai Province, Aug. 18, 2020. (Xinhua/Zhang Hongxiang)

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Zhao Hao from Chongqing competes during the one-day full marathon competition at the 2020 Tour of Qinghai Lake Marathon, northwest China's Qinghai Province, Aug. 18, 2020. (Xinhua/Zhang Hongxiang)

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Li Bin from Shaanxi Province competes during the one-day full marathon competition at the 2020 Tour of Qinghai Lake Marathon, northwest China's Qinghai Province, Aug. 18, 2020. (Xinhua/Zhang Hongxiang)

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Athletes run from the start line during the one-day full marathon competition at the 2020 Tour of Qinghai Lake Marathon, northwest China's Qinghai Province, Aug. 18, 2020. (Xinhua/Zhang Hongxiang)

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Athletes compete during the one-day full marathon competition at the 2020 Tour of Qinghai Lake Marathon, northwest China's Qinghai Province, Aug. 18, 2020. (Xinhua/Zhang Hongxiang)