By Raymond Britt
Each dot on the maps represents a city being represented by one or more runners at the Boston Marathon. About 30,000 entrants come from 7,579 global cities. Red dots mark each city; click on the dot to see total runners and runners by age group from that city. (also see data table showing all runners by age group by city)
United States and Lower Canada
Europe
Eastern Asia
For more see www.RaceBoston.com
