Update: I made my target sometime last night - thanks so much to everyone who sponsored me. You're all beautiful people. Of course, this now means I actually have to go through with this (gulp)...

I get vertigo. Not "ooh, aren't we high up?!" vertigo, but proper throw-yourself-off-the-edge vertigo, so this will be something of a challenge.

Too many friends and family have suffered from cancer, and I'm impressed with Cancer Research UK's work, so do please give what you can to help!

Donating through JustGiving is simple, fast and totally secure. Your details are safe with JustGiving – they’ll never sell them on or send unwanted emails. Once you donate, they’ll send your money directly to the charity. So it’s the most efficient way to donate – saving time and cutting costs for the charity.