Two decades ago my mother died of bowel cancer, so it's an illness that's much in my mind. But in order to get me to think less about bowel cancer and more about saddle sores, my friend Al Myers wants me to cycle from Windsor to Oxford. The first twenty miles should be fun. Donations would be very gratefully received!

(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.)