CHONBURI — 8 June 2026, Her Majesty the Queen will graciously participate in the International Triathlon Tourism Festival 2026, to be held on 13-14 June at Dong Tan Bay within the Royal Thai Fleet headquarters in Sattahip district, Chonburi province. Competitors will vie for royal trophies bestowed by His Majesty the King and Her Majesty the Queen.
The event, Thailand Open Water Swimming Championships 2026 – Series 2, is being organised by Thailand Tri-League in cooperation with the Thailand Aquatics Association and local authorities in Chonburi province.
According to a statement posted by the official page of the Thailand Aquatics Association, Her Majesty Queen Suthida Bajrasudhabimalalakshana has graciously accepted an invitation to take part in the competition, titled the Amazing Race Festival Toyota Sattahip Triathlon 2026 Presented by MAMA.
Members of the public are cordially invited to welcome and offer their support to Her Majesty the Queen on Sunday, 14 June, between 06:00 and 10:00 at the Royal Thai Fleet, Dong Tan Bay, Sattahip district, Chonburi province.
Capt. Thamanat Prompow, President of Thailand Aquatics Association, expressed profound and boundless gratitude for Her Majesty’s gracious participation in the event on behalf of the organising committee, together with the Tourism Authority of Thailand, the Ministry of Tourism and Sports, Chonburi provincial authorities, the Royal Thai Navy, the Royal Thai Fleet, the Thailand Aquatics Association, and Thailand Tri-League.
The 2026 Thailand Open Water Swimming Championships, Series 2 features four race distances: 1 kilometre, 3 kilometres, 5 kilometres and 10 kilometres. The prestigious Royal Trophies will be awarded to the winners of the 10 kilometres race; the Men’s Overall Champion in the 10-kilometre race will receive a royal trophy from His Majesty the King, while the Women’s Overall Champion will be honored with a royal trophy from Her Majesty the Queen.
