Riders compete in the 15-kilometer cross-country race, on May 4. [Photo/Xinhua]

The 2nd Xinghai Cup Celebrity Horse Race, in Qingdao, opened on May 4, with more than 100 riders from 30 professional clubs taking part. The competition includes a women’s 5-kilometercross-country race, 15-kilometer cross-country race, and a 30-kilometer cross-country race.