Bangsaen42 Chonburi Marathon
Race Day Weather
Warm and humid, rain possible
Runners will face a warm start at 78°F, dropping slightly to 77°F by the finish. With high humidity at 84% and a chance of light rain, pacing adjustments will be essential, especially in the early miles. The race includes headwinds from miles 3-5 and 7-13, while a tailwind from miles 14-23 could provide relief; hydration will be crucial throughout.
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Race Info
Bangsaen42 Chonburi Marathon is an annual marathon in Bang Saen, Chon Buri, Thailand, first held in 2017. The single-distance race covers 42.195 km along the Gulf of Thailand coast, starting and finishing in front of the Bangsaen Heritage Hotel. It carries a World Athletics Elite Label and draws more than 12,000 runners, with an early morning start before sunrise to beat the tropical heat. MICE & Communication Co., Ltd. organizes the race, along with the companion Bangsaen21 half marathon held separately in December.
