Chris Ratay and Erin Doherty-Ratay are American long-distance motorcyclists. Their , four year circumnavigation of the Earth on BMW F650 and BMW R100PD motorcycles between May 1999 and August 2003 set a new Guinness World Record for distance ridden by a pair of motorcyclists on two motorcycles. The couple have appeared on U.S. national live television on NBC News, and the 2012 documentary DVD Achievable Dream: The Motorcycle Adventure Guide. Erin Ratay is one of the subjects of the 2013 PBS documentary film Driven to Ride. Erin Ratay also was a speaker at the American Motorcyclist Association's 2009 Women & Motorcycling Conference in Keystone, Colorado. Notes and references Notes References Further reading External links Living people Long-distance motorcycle riders People from Boulder, Colorado Year of birth missing (living people)