| Competition: | 7th Chicago Marathon |
| Venue: | Chicago, United States |
| Dates: | October 16 |
| Men: | Joseph Nzau |
| Men Win Value: | 2:09:44.3 |
| Women: | Rosa Mota |
| Women Win Value: | 2:31:12 |
| Prev: | 1982 |
| Next: | 1984 |
The 1983 Chicago Marathon was the seventh running of the annual marathon race in Chicago, United States and was held on October 16. The elite men's race was won by Kenya's Joseph Nzau in a time of 2:09:44.3 hours and the women's race was won by Portugal's Rosa Mota in 2:31:12. Nzau edged Britain's Hugh Jones by half a second in a tight finish. A total of 5237 runners finished the race, an increase of nearly 600 from the previous year.[1]
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 2:09:44.3 | ||||
| 2:09:44.8 | ||||
| 2:10:51 | ||||
| 4 | 2:11:57 | |||
| 5 | 2:12:15 | |||
| 6 | 2:12:34 | |||
| 7 | 2:12:55 | |||
| 8 | 2:14:20 | |||
| 9 | 2:15:45 | |||
| 10 | 2:15:59 | |||
| 11 | 2:16:24 | |||
| 12 | 2:17:10 | |||
| 13 | 2:17:23 | |||
| 14 | 2:17:34 | |||
| 15 | 2:17:46 | |||
| 16 | 2:17:51 | |||
| 17 | 2:18:03 | |||
| 18 | 2:18:24 | |||
| 19 | 2:18:29 | |||
| 20 | 2:18:49 | |||
| — |
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 2:31:12 | ||||
| 2:31:36 | ||||
| 2:31:45 | ||||
| 4 | 2:32:15 | |||
| 5 | 2:34:24 | |||
| 6 | 2:34:55 | |||
| 7 | 2:36:23 | |||
| 8 | 2:36:44 | |||
| 9 | 2:37:29 | |||
| 10 | 2:37:57 | |||
| 11 | 2:39:21 | |||
| 12 | 2:39:43 | |||
| 13 | 2:41:36 | |||
| 14 | 2:42:22 | |||
| 15 | 2:44:34 | |||
| 16 | 2:44:57 | |||
| 17 | 2:45:29 | |||
| 18 | 2:48:01 | |||
| 19 | 2:48:01 | |||
| 20 | 2:49:52 | |||
| — |