Daily NewsletterNewsPattayaSportsUpdate COVID-19 Pattaya Marathon 2021 cancelled By Pattaya Mail June 5, 2021 0 2719 Share on Facebook Tweet on Twitter tweet Mayor Sonthaya Kunplome announces the cancellation. Mayor Sonthaya Kunplome issued a letter on May 27 stating that due to the ongoing threat of the Covid-19 pandemic and risk of spreading the virus in Chonburi and Pattaya, the Pattaya International Marathon scheduled for 17-18 July 2021 is cancelled. The mayor’s official announcement.