It attracted 25 entrants in its inaugural season in 2004, which increased to 28 the following season.
The marathon race attracts approximately 500 entrants each year, of whom around two-thirds finish the course.
The cash prizes attracted so many entrants that a series of preliminary races was held during September 1881.
It attracts a diverse group of athletes and managed to attract 10,670 entrants in 2009.
The Main Event attracted 6,598 entrants, creating a prize pool of $62,021,200.
The two races that the club held this season attracted some 200 spectators and 65 entrants from all over New England.
At completion of the 2008 season, the three Triple Crown races have attracted 3,889 entrants.
Since then it has grown into an English Athletics licensed run that attracted 3,000 entrants in 2010.
It was held on November 15, 2008, and only attracted nine entrants.
It's considered to be one of the world's top 10 city marathons, and attracted 4517 entrants in 2008.