Men's masters champions
Here are the Boston Marathon men's masters champions through the years. The masters division is for runners over 40, and has been officially recognized since 1975.
| Year | Name | Age | Home | Time |
| 1975 | Robert Frankum | 41 | New York | 2:30:00 |
| 1976 | Jack Foster | 43 | New Zealand | 2:22:30 |
| 1977 | Fritz Mueller | 40 | New York | 2:32:13 |
| 1978 | Fritz Mueller | 41 | New York | 2:20:47 |
| 1979 | Herbert Lorenz | 40 | New Jersey | 2:24:41 |
| 1980 | Bernd Heinrich | 40 | California | 2:25:25 |
| 1981 | William C. Hall | 40 | North Carolina | 2:21:19 |
| 1982 | William C. Hall | 41 | North Carolina | 2:24:20 |
| 1983 | William C. Hall | 42 | North Carolina | 2:23:19 |
| 1984 | Roger Robinson | 45 | New Zealand | 2:20:15 |
| 1985 | Joseph H. McGuire | 41 | Canada | 2:29:34 |
| 1986 | Michael Hurd | 40 | Great Britain | 2:19:04 |
| 1987 | David Clark | 43 | Great Britain | 2:21:37 |
| 1988 | Ryszard Marczak | 43 | Poland | 2:17:53 |
| 1989 | John Campbell | 40 | New Zealand | 2:14:19 |
| 1990 | John Campbell | 41 | New Zealand | 2:11:04 |
| 1991 | Kenneth Judson | 40 | Pennsylvania | 2:18:11 |
| 1992 | Pierre Levisse | 40 | France | 2:16:46 |
| 1993 | Jean-Michel Charbonnel | 40 | France | 2:17:44 |
| 1994 | Doug Kurtis | 42 | Michigan | 2:15:48 |
| 1995 | Martin Mondragon | 41 | Mexico | 2:16:29 |
| 1996 | Herbert Steffny | 42 | Germany | 2:19:33 |
| 1997 | Dominique Chauvelier | 40 | France | 2:19:10 |
| 1998 | Andrey Kuznetsov | 40 | Russia | 2:15:27 |
| 1999 | Andrey Kuznetsov | 41 | Russia | 2:14:20 |
| 2000 | Joshua Kipkemboi | 41 | Kenya | 2:17:11 |
| 2001 | Fedor V. Ryzhov | 41 | Russia | 2:13:54 |
| 2002 | Joshua Kipkemboi | 43 | Kenya | 2:12:48 |
| 2003 | Fedor V. Ryzhov | 43 | Russia | 2:15:29 |
| 2004 | Joshua Kipkemboi | 45 | Kenya | 2:18:23 |
| 2005 | Joshua Kipkemboi | 46 | Kenya | 2:19:28 |
| 2006 | Sammy Nyangincha | 43 | Kenya | 2:26:37 |
| 2007 | Oleg Strijakov | 43 | Russia | 2:28:55 |
| 2008 | Gino S. Van Geyte | 41 | Belgium | 2:23:36 |