| Unofficial South American Championships in Athletics | |
| Size: | 200px |
| Host City: | Santiago, Chile  |
| Dates: | April |
| Events: | 31 |
| Level: | Senior |
| Previous: | 1945 Montevideo |
| Next: | 1947 Rio de Janeiro |
The unofficial South American Championships in Athletics were held in the Chilean capital, Santiago, during April 1946. The event, entitled "II Campeonato Sudamericano Extraordinario Barón Pierre de Coubertin", was held in celebration of the 50th anniversary of the modern Olympic Games.
Medal winners are published.
| 100 metres | 10.5 | 10.6 | 10.8 | ||||
| 200 metres | 21.9 | 22.0 | 22.1 | ||||
| 400 metres | 49.0 | 49.1 | 49.2 | ||||
| 800 metres | 1:53.8 | 1:54.0 | 1:54.3 | ||||
| 1500 metres | 4:00.3 | 4:01.9 | 4:04.6 | ||||
| 3000 metres | 8:44.8 | 8:47.7 | 8:55.8 | ||||
| 5000 metres | 15:06.2 | 15:17.6 | 15:21.6 | ||||
| 10,000 metres | 32:35.0 | 32:35.2 | 33:00.8 | ||||
| 20 Kilometres Road Race | 1:09:03 | 1:10:05 | 1:12:10 | ||||
| 110 metres hurdles | 14.4 | 14.6 | 14.9 | ||||
| 400 metres hurdles | 54.0 | 55.3 | 55.7 | ||||
| High jump | 1.90 | 1.90 | 1.90 | ||||
| Pole vault | 3.90 | 3.80 | 3.60 | ||||
| Long jump | 7.03 | 7.01 | 6.86 | ||||
| Triple jump | 15.00 | 14.84 | 14.60 | ||||
| Shot put | 14.35 | 14.08 | 13.75 | ||||
| Discus throw | 43.12 | 42.96 | 41.66 | ||||
| Hammer throw | 48.69 | 48.67 | 47.14 | ||||
| Javelin throw | 56.51 | 54.71 | 54.31 | ||||
| Decathlon | 6886 | 6325 | 6261 | ||||
| 4 × 100 metres relay | 41.9 | 42.6 | 42.6 | ||||
| 4 × 400 metres relay | 3:17.4 | 3:18.8 | 3:20.7 |
| 100 metres | 12.3 | 12.3 | 12.7 | ||||
| 200 metres | 25.8 | 25.8 | 26.6 | ||||
| 80 metres hurdles | 12.7 | 13.4 | |||||
| High jump | 1.63 | 1.50 | 1.45 | ||||
| Long jump | 5.20 | 5.11 | 4.96 | ||||
| Shot put | 11.55 | 11.44 | 10.93 | ||||
| Discus throw | 35.03 | 34.71 | 34.71 | ||||
| Javelin throw | 35.78 | 33.84 | 33.63 | ||||
| 4 × 100 metres relay | 49.5 | 50.7 | 50.8 |