Among those taking part were Artiwala Kongmalai, better known as Toon Bodyslam, Ratchawin “Koy” Wongviriya, and Thikamporn “Cheer” Ritta-apinan.

Organised by the Mahidol University’s Faculty of Medicine Siriraj Hospital, the run started on March 11 and will conclude in Bangkok on Friday.

Donations raised during this campaign will go towards construction of the Naavamitarabophit 84th Birthday Anniversary building, the name graciously given by the late King Bhumibol Adulyadej. The campaign expects to raise Bt99million. As of Wednesday, it has already received more than Bt50million.