The first gold medal of the 20th Asian Games was won on Sunday by host nation Japan as a 13-year-old swimmer from China started in blistering form on the opening day of the multisports extravaganza.
Japan's Takumi Hojo won the men's individual triathlon in Gamagori city near Nagoya with China's Zhang Xirui second and Kazakhstan's Arlan Zhanabay taking bronze.