Hi, Im newbie from Wuhan, mid-China. Recently I know about 24hour cycling with Michael Secrest' record. It's amazing, and one of my friend willing to try this extreme sport. Up to date, the longest continuous cycling is 410Kms<254miles> in 15 hours in our city. Now we only know Michael Secrest equip a peeing system and not rest in his 24hrs, and we are willing to know more about the detail. Such as food and water supply, rest time, logistics, safeguard......3q