1990 Marathon Boston
| Host City |
Boston |
| Country |
 USA |
| Held |
16 April 1990 |
| Competitors |
6 |
| Countries |
6 |
Events
| Event |
Gender |
Held |
Status |
Competitors |
Countries |
| Marathon |
Men |
16 April 1990 |
Medal |
3 |
3 |
| Marathon |
Women |
16 April 1990 |
Medal |
3 |
3 |
Medal table
| Pos |
Country |
🥇 Gold |
🥈 Silver |
🥉 Bronze |
Total |
| 1 |
Italy |
 ITA |
1 |
0 |
0 |
1 |
| = |
Portugal |
 POR |
1 |
0 |
0 |
1 |
| 3 |
Germany |
 GER |
0 |
1 |
0 |
1 |
| = |
Tanzania |
 TAN |
0 |
1 |
0 |
1 |
| 5 |
Ecuador |
 ECU |
0 |
0 |
1 |
1 |
| = |
United States |
USA |
0 |
0 |
1 |
1 |
Medal winners