Khanh Hoa contestants finished first in all the races at the 2010 Nha Trang International Half Marathon event, on Sunday.
Nguyen Dang Duc Bao finished first in the men's 21km category while Nguyen Thi My Chi won the women's 21km race.
Le Canh Minh grabbed the gold in the men's 10km event while the women's 10km championship was won by Nguyen Thi My Thoa.
The women's 5km title went to Nguyen Thi Bich Tram while Pham Ngoc Hoang took the men's 5km championship.
The second edition of the international contest was co-organized by Khanh Hoa Province's Department of Culture, Sports and Tourism and Japan's General Consulate in Ho Chi Minh City.
The event, which aims to strengthen the Vietnam-Japan ties drew 230 locals participants and 134 runners.