Athletes first swim 1.5 kilometers during the Triathlon World Cup. [Photo provided to chinadaily.com.cn]

The 2018 Triathlon World Cup and the Weihai Extreme Triathlon Series were held in Weihai, East China's Shandong province from Sept 22 to 23.

A total of 1,040 athletes from 41 countries and regions attended the two competitions.

Here is a pick of some of the best photos showing the wonderful performances of the athletes taking part in.

Participants cycle 40 km after the 1.5-kilometer swimming event. [Photo/runnerbar.com]

A foreign athlete  competes in the running event during the 2018 Triathlon World Cup in Weihai. [Photo/runnerbar.com]