January to February 2007 Me, Pilar, Fred occasionally and several hundred others When: Every Friday from 10pm to 1am Location: All around Paris! Average distance: 30km Average elevation gain: 100 m Cruising the tunnels on the peripherique. Regrouping in front of Notre Dame. Nice dork pads! Oh yeeeeah! These boys progressively close the streets off for us.  Unbelievably organized!