Contestants take part in the 2018 Zhangjiajie Mountain Marathon in Wulingyuan District of Zhangjiajie, Hunan, Nov. 18, 2018. (Photos: Xinhua)

Various outdoor sports events are held across China in early winter for the public to join and get fit.

Contestants take part in the 2018 Shanghai International Marathon in east China's Shanghai, Nov. 18, 2018.

Various outdoor sports events are held across China in early winter for the public to join and get fit.

Contestants take part in the 2018 Zhangjiajie Mountain Marathon in Wulingyuan District of Zhangjiajie, central China's Hunan Province, Nov. 18, 2018.

Various outdoor sports events are held across China in early winter for the public to join and get fit.

Contestants take part in the 2018 Zhangjiajie Mountain Marathon in Wulingyuan District of Zhangjiajie, central China's Hunan Province, Nov. 18, 2018.