"In 1903 a young gentleman from San Francisco by the Name of George A. Wyman rode, pushed, pulled, carried, and crawled his 1902 "California" brand motor bicycle from San Francisco to New York City. He achieved this monumental undertaking before the first automobile crossing by Dr. Horatio Nelson Jackson (in his Winton Automobile) and made better time, finishing his adventure in New York City at the "New York Motorcycle Club" rooms, 1904 Broadway, a mere 50 days after departing San Francisco. Amazingly, over half of Mr. Wyman's journey was accomplished by pounding over the ties of the trans-continental railroad as there were no "real" roads in the sense that we, in the modern age, have come to think of for Mr. Wyman to travel upon..."

You can read about the rest of Wyman's journey here. Via: Motored Bikes.com