| Host City | Hamilton |
|---|---|
| Country | |
| Held | 16 – 23 August 1930 |
| Competitors | 185 |
| Countries | 9 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 100 y | Men | — | Medal | 3 | 2 |
| 220 y | Men | — | Medal | 3 | 3 |
| 440 y | Men | — | Medal | 3 | 3 |
| 880 y | Men | — | Medal | 3 | 2 |
| 1 mile | Men | — | Medal | 3 | 2 |
| 3 miles | Men | — | Medal | 3 | 2 |
| 6 miles | Men | — | Medal | 3 | 2 |
| Marathon | Men | — | Medal | 3 | 3 |
| 120 y Hurdles | Men | — | Medal | 3 | 2 |
| 440 y Hurdles | Men | — | Medal | 3 | 1 |
| 2,000 y Stepplechase | Men | — | Medal | 3 | 2 |
| 4 x 110 y Relay | Men | — | Medal | 12 | 3 |
| 4 x 440 y Relay | Men | — | Medal | 12 | 3 |
| High Jump | Men | — | Medal | 3 | 3 |
| Pole Vault | Men | — | Medal | 3 | 2 |
| Long Jump | Men | — | Medal | 3 | 3 |
| Triple Jump | Men | — | Medal | 3 | 2 |
| Shot Put | Men | — | Medal | 3 | 3 |
| Discus Throw | Men | — | Medal | 3 | 2 |
| Hammer Throw | Men | — | Medal | 3 | 3 |
| Javelin Throw | Men | — | Medal | 3 | 3 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| -50.8 kg | Men | — | Medal | 3 | 3 |
| -53.5 kg | Men | — | Medal | 3 | 3 |
| -57.2 kg | Men | — | Medal | 3 | 3 |
| -61.2 kg | Men | — | Medal | 3 | 3 |
| -66.7 kg | Men | — | Medal | 3 | 3 |
| -72.6 kg | Men | — | Medal | 3 | 3 |
| +79.4 kg | Men | — | Medal | 2 | 2 |
| -79,4 kg | Men | — | Medal | 3 | 3 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 3 m Springboard | Men | — | Medal | 3 | 1 |
| 10 m Platform | Men | — | Medal | 3 | 2 |
| 3 m Springboard | Women | — | Medal | 3 | 2 |
| 10 m Platform | Women | — | Medal | 2 | 1 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| Single Sculls | Men | — | Medal | 3 | 2 |
| Double Sculls | Men | — | Medal | 2 | 1 |
| Coxless Fours | Men | — | Medal | 12 | 3 |
| Coxed Fours | Men | — | Medal | 15 | 3 |
| Eights | Men | — | Medal | 27 | 3 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 100 y Freestyle | Men | — | Medal | 3 | 2 |
| 400 y Freestyle | Men | — | Medal | 3 | 3 |
| 1,500 y Freestyle | Men | — | Medal | 3 | 3 |
| 4 x 200 y Freestyle Relay | Men | — | Medal | 8 | 2 |
| 100 y Backstroke | Men | — | Medal | 3 | 2 |
| 200 y Breaststroke | Men | — | Medal | 3 | 2 |
| 100 y Freestyle | Women | — | Medal | 3 | 3 |
| 400 y Freestyle | Women | — | Medal | 3 | 3 |
| 4 x 100 y Freestyle Relay | Women | — | Medal | 12 | 3 |
| 100 y Backstroke | Women | — | Medal | 3 | 2 |
| 200 y Breaststroke | Women | — | Medal | 3 | 2 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| Freestyle -56 kg | Men | — | Medal | 2 | 2 |
| Freestyle -61 kg | Men | — | Medal | 1 | 1 |
| Freestyle -66 kg | Men | — | Medal | 2 | 2 |
| Freestyle -72 kg | Men | — | Medal | 2 | 2 |
| Freestyle -79 kg | Men | — | Medal | 3 | 3 |
| Freestyle +87 kg | Men | — | Medal | 2 | 2 |
| Freestyle -87 kg | Men | — | Medal | 2 | 2 |
| Pos | Country | 🥇 Gold | 🥈 Silver | 🥉 Bronze | Total | |
|---|---|---|---|---|---|---|
| 1 | England | 22 | 22 | 13 | 57 | |
| 2 | Canada | 20 | 15 | 17 | 52 | |
| 3 | South Africa | 6 | 3 | 8 | 17 | |
| 4 | Australia | 3 | 4 | 1 | 8 | |
| 5 | New Zealand | 3 | 3 | 1 | 7 | |
| 6 | Scotland | 2 | 3 | 4 | 9 | |
| 7 | Wales | 0 | 2 | 1 | 3 | |
| 8 | Guyana | 0 | 1 | 1 | 2 | |
| 9 | Ireland | 0 | 1 | 0 | 1 | |