Halong Bay Heritage Marathon
Halong Bay Heritage Marathon race day weather
Mild temperatures, light rain possible
Runners will face temperatures starting at 65°F and rising slightly to 66°F by finish. With an average humidity of 84% and a light NE wind at 5 mph, conditions will feel slightly muggy. Racers should be prepared for occasional light rain and may want to adjust their pace conservatively to manage the humidity.
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About the Halong Bay Heritage Marathon
The Halong Bay Heritage Marathon is held in Ha Long, Quang Ninh Province, Vietnam, with races of 42.195 km, 21.0975 km, 10 km and 5 km. All distances start and finish at the Quang Ninh Exhibition Center on Tran Quoc Nghien Street and follow the fully closed coastal road beside Ha Long Bay; the 2026 route is new and does not cross the Bai Chay Bridge. The race holds a World Athletics Label and is the only road race in Vietnam to do so. Kennedy Kiprop Chelimo of Kenya set the course record of 2:13:57 in 2025.
