My employer, CGI, is celebrating its own 40th birthday by doing 40 crazy things in support of The Prince's Trust. My challenge is to ascend 40km vertically on foot and by bike before 30th September. In just over six months, that's about four and a half Everests or 30 Ben Nevises. Or 253 times the height of Blackpool Tower, or 1,333 times the height of Kings Place, our office building in London. I am keeping a record, and will update this page with the latest from time to time.

Thanks for taking the time to visit my JustGiving page. I promise that none of the proceeds will go towards any knee surgery I may need as a result of this challenge!

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