Annie Mole's, webmaster of Going Underground, daily web log (blog).
If you like this you'll LURVE One Stop Short of Barking, THE fun and informative BOOK about travelling on the London Underground.
Congratulations to everyone who took part - particularly those running for charity. If you've got a few quid to spare why not sponsor The Guardian's London blogger Dave Hill who ran his first marathon yesterday.
"The magic, mystery & sometimes maddening shortcomings of London's Tube are documented with love, enthusiasm & sometimes despair by its unofficial social historian." The Guardian