British Association of Road Races A non-profit making organisation, ensuring that high standards and safety are maintained for Road Running and associated events in the United Kingdom. http://www.barr-online.org.uk/

USATF Road Running Technical Council Oversees course measurement and certification in the United States. Features online manual, application form and searchable course database. http://www.rrtc.net/

Island Runner Provides an international listing of runs that take place on islands. Races are organized by country. Also provides a message board. http://www.islandrunner.org