Surely the 10 miles of 3% steady descending the other way makes you feel superhuman-quick though? :)
Well, yeah. Some days. When I haven't knackered myself trying to get over the Chilterns from the other side! It's not even 1% for most of those 10 miles.
Here's my route, generally takes about an hour and a half: [ame]http://ridewithgps.com/routes/32916[/ame
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