On June 14th, 15 year old Mark Flournoy set off from Havre de Grace, MD on a 3700 mile bicycle trip across the U.S.  Mark is the son of Entex CEO, Wayne Flournoy, and a member of Boy Scout troop 845 from Chapel Hill, NC. He and 14 other young men have embarked on this epic journey as a fundraiser for the Lineberger Cancer Center at UNC, and so far they have raised over $7,000.  The group consists of 10 high school students, 3 UNC students and two adult leaders.  Many of the guys on this ride are leaving home for the first time, pushing themselves to their physical and emotional limit on a daily basis. They are traveling without vehicular support, carrying everything they need for the 70 day journey in 4 panniers on their front and rear wheels. You can follow their progress across the country with live GPS tracking on their website www.cycle20ten.com, along with a daily blog and photos. You can also donate in their honor on the website.  Check out this video montage of the day they set off.