Wow dude nice, 8km beach run is great going! Keep it up. I know what you mean about Thailand, whenever I go there for Muay Thai I am dying the first week or so. I’m sweating like crazy on the walk to the gym and then as soon as I start my run I’m bucketing. Literally was drinking about 6+ litres of water a day, probably more like 8 actually, especially when I train 2 times a day. I do miss Thailand, I think I’ll go back soon.