I did a 48 mile ride to attend my nephew's 3rd birthday party. The party was at 3:00 pm, and I left at 11:15, intending to arrive early enough to shower and be presentable for the party. The ride was delightful for the first 35 miles, then I had trouble following the route - having to check the map frequently and occassionally backtrack. Arrived at the party at 2:50 and never got to shower, but did change into normal shorts. After a 30 minutes rest, I was playing tag wth the kids, having water fights, playing soccer. By 6:00 pm I was ready for a nap. I put the bike in the car to come home (my SO drove up), so none of it counted for green miles. I'll have to work on perfecting this biking route - it should be under 40 miles without the intentional and unintentional deviations, and then maybe I can ride the round trip.