The Halong Bay Heritage Marathon 2025 is scheduled to take place this November in Ha Long city, the northern province of Quang Ninh, with around 15,000 participants expected, according to the provincial Department of Culture, Sports and Tourism.

VOV.VN - The sixth annual international marathon to honour Halong Bay, a UNESCO-recognised World Heritage site, was held in Quang Ninh province, northern Vietnam, on November 22.