Check out our Strava map above showing cycling activity during the night of the Dunwich Dynamo, 20-21 July 2013, when a thousand or so people cycled from London to the Norfolk coast.
A snake of light shows the riders gliding through the night, while the bright lights appearing all over the UK and Europe are the rest of us getting up the next morning.
Local Group News: March 2017
Will Norman starts as first full time Walking and Cycling Commissioner
Women's Tour comes to London