Annual Leesburg Bakers Dozen - A 13 hour Mountain Bike Extravaganza. Event description: The Fourth Annual Leesburg Bakers Dozen is a 13+ hour Mountain Bike Race starting at 9:00am April 17, 2008. The event will be held on a private farm overlooking the Potomac River 3.5 miles north of Leesburg Virginia. This event has been designed to be fun for all racers, family and spectators. Timing will be provided by Go Time Racing using the most current chip timing technology.

http://www.bikereg.com/events/register.asp?eventid=9705