Distance: 111km, 934m.

https://ridewithgps.com/routes/29156526
This route is the reverse (how did you guess) of Chilterns 110. I wanted to ride the original route in the winter, but as my winter bike (CX bike with road tyres) didn’t have the gearing to do steep climbs, I decided to go the other way round. I refer to this alternative as “the easy way round”.