Number of runners in the New York City Marathon over the study period
| Year | Runners per year | |||
|---|---|---|---|---|
| Men | Women | Total | M/F ratio | |
| 1983 | 12341 | 2205 | 14546 | 5.60 |
| 1984 | 12198 | 2395 | 14593 | 5.09 |
| 1985 | 13417 | 2481 | 15898 | 5.41 |
| 1986 | 16394 | 3339 | 19733 | 4.91 |
| 1987 | 17557 | 3688 | 21245 | 4.76 |
| 1988 | 18379 | 3958 | 22337 | 4.64 |
| 1989 | 19966 | 4688 | 24654 | 4.26 |
| 1990 | 19278 | 4500 | 23778 | 4.28 |
| 1991 | 20596 | 5202 | 25798 | 3.96 |
| 1992 | 22370 | 5448 | 27818 | 4.11 |
| 1993 | 20785 | 5813 | 26598 | 3.58 |
| 1994 | 22757 | 6975 | 29732 | 3.26 |
| 1995 | 20285 | 6467 | 26752 | 3.14 |
| 1996 | 20750 | 7431 | 28181 | 2.79 |
| 1997 | 22022 | 8412 | 30434 | 2.62 |
| 1998 | 22587 | 8952 | 31539 | 2.52 |
| 1999 | 22629 | 9162 | 31791 | 2.47 |