Drivers are urged to steer clear of certain roads in Central and Wan Chai because of an upcoming triathlon test event.

A total of around 110 athletes from Hong Kong, Macau and the mainland will compete in the men's individual, women's individual and mixed relay events at the Central Harbourfront and Victoria Harbour this weekend, as a part of a test event for the National Games in November.

The women's and men's individual races are set for 8am and 10:30am on Saturday respectively, while the mixed relay is scheduled for 2pm on Sunday.

Officials said from 10am on Wednesday to 6pm on Sunday, the section of Expo Drive between Legislative Council Road and Expo Drive Central will be temporarily closed.

Intermittent road closures will be implemented in the Central Harbourfront and Wan Chai North areas from 5am to 8am on Friday, affecting roads such as Lung Wo Road, Yiu Sing Street and Expo Drive.

Further road closures will take place from 2am to 2pm on Saturday and from 8am to 6pm on Sunday in the same areas.

Athletes will begin with a swim, followed by cycling before finishing with a run.

All races will start at the Wan Chai Temporary Promenade. The cycling route will pass Golden Bauhinia Square, while the running course will loop around the Central Harbourfront Promenade, finishing at the Central Harbourfront Event Space.