2 hours ish of biking. About 30mins of that was with Lance Armstrong and a few other bikers.
There were at least two crashes (one of the crashes involved an orienteer). There were alot of experienced bikers who shot up through risky gaps, and there were normies like me who have no clue how to ride in a peloton and would likely cause a crash. Those two groups were a recipe for disaster and i'm surprised there weren't more crashes because everyone was killing it to get up the front and stay there. Good fun though at intensity '3', then i rode steady up to Donabate at '4' where i visited a friend, stopped riding and got a lift home afterwards.
Some pics of me here with the man up the front showing him the way -
http://www.sportsfile.com/more-images/S0908109/1/