| Host City | Antananarivo |
|---|---|
| Country | |
| Held | 24 August – 2 September 1990 |
| Competitors | 133 |
| Countries | 4 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 100 m | Men | — | Medal | 3 | 2 |
| 200 m | Men | — | Medal | 3 | 2 |
| 400 m | Men | — | Medal | 3 | 2 |
| 800 m | Men | — | Medal | 3 | 2 |
| 1,500 m | Men | — | Medal | 3 | 2 |
| 5,000 m | Men | — | Medal | 3 | 2 |
| 10,000 m | Men | — | Medal | 3 | 2 |
| Marathon | Men | — | Medal | 3 | 1 |
| 110 m Hurdles | Men | — | Medal | 3 | 2 |
| 400 m Hurdles | Men | — | Medal | 3 | 2 |
| 3,000 m Steeplechase | Men | — | Medal | 3 | 2 |
| 4 x 100 m Relay | Men | — | Medal | 0 | 3 |
| 4 x 400 m Relay | Men | — | Medal | 12 | 3 |
| High Jump | Men | — | Medal | 3 | 2 |
| Pole Vault | Men | — | Medal | 3 | 2 |
| Long Jump | Men | — | Medal | 3 | 3 |
| Triple Jump | Men | — | Medal | 3 | 3 |
| Shot Put | Men | — | Medal | 3 | 2 |
| Discus Throw | Men | — | Medal | 3 | 2 |
| Hammer Throw | Men | — | Medal | 3 | 2 |
| Javelin Throw | Men | — | Medal | 3 | 2 |
| Decathlon | Men | — | Medal | 3 | 2 |
| 100 m | Women | — | Medal | 3 | 3 |
| 200 m | Women | — | Medal | 3 | 3 |
| 400 m | Women | — | Medal | 3 | 2 |
| 800 m | Women | — | Medal | 3 | 3 |
| 1,500 m | Women | — | Medal | 3 | 3 |
| 3,000 m | Women | — | Medal | 3 | 3 |
| 10,000 m | Women | — | Medal | 3 | 2 |
| Marathon | Women | — | Medal | 3 | 3 |
| 100 m Hurdles | Women | — | Medal | 3 | 2 |
| 400 m Hurdles | Women | — | Medal | 3 | 2 |
| 4 x 100 m Relay | Women | — | Medal | 3 | 2 |
| 4 x 400 m Relay | Women | — | Medal | 13 | 3 |
| High Jump | Women | — | Medal | 3 | 2 |
| Pole Vault | Women | — | Medal | 3 | 2 |
| Shot Put | Women | — | Medal | 3 | 2 |
| Discus Throw | Women | — | Medal | 3 | 3 |
| Javelin Throw | Women | — | Medal | 3 | 2 |
| Heptathlon | Women | — | Medal | 3 | 2 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| Football | Men | — | Medal | 47 | 3 |
| Pos | Country | 🥇 Gold | 🥈 Silver | 🥉 Bronze | Total | |
|---|---|---|---|---|---|---|
| 1 | Mauritius | 18 | 15 | 10 | 43 | |
| 2 | Madagascar | 17 | 19 | 14 | 50 | |
| 3 | Réunion | 10 | 8 | 12 | 30 | |
| 4 | Seychelles | 0 | 3 | 8 | 11 | |