Hoang Nguyen Thanh is the first Vietnamese ever to win the men’s marathon at SEA Games (Photo: Hoang Trieu)

The Vietnamese delegation won 28 more gold medals on Thursday, including the medal won by Hoang Nguyen Thanh - the first Vietnamese ever to win the men’s marathon at SEA Games - and golds in the men’s and women’s 20km walk won by Vo Xuan Vinh and Nguyen Thi Thanh Phuc.