Found this:
http://www.wiggle.co.uk/bodyglide-skin-formula-regular-369g/ while googling for "jogger's nipple". Seems to be better than vaseline as it doesn't spoil your clothes.
Incidentally my tip for avoiding blisters on the feet is to put a bit of lipsalve on any spot that starts to complain - I started doing it wearing jelly shoes (the Vivienne Westward ones, not the beach ones!) and now use it with regular shoes - after all, you're the only person likely to be wearing them and nobody sees the inside. Works a treat, I use this lipsalve which is the best in the universe:
https://www.foreverliving.com/retai...67A6C79A133848A721DC60C7F9A.tc1-int1?code=022 (US site, soz, can be bought here).