The amount you sweat seems to be a very individual thing a I'm not getting any better now matter how fit I get (it might be getting worse). I have mega-fit friends and slob friends and I sweat bucket loads more than all of them. Running shorts in nothing other than black or navy for me - trendy grey looks like I've done a Fergie (out of Black Eyed Peas) - nice! And as for my chest and back - yuk. The only salt/sugar replacement that stops me feeling giddy later is High 5, or 'pinky-drink' as we call it at home.