| VII South American Junior Championships in Athletics | |
| Size: | 200px |
| Host City: | São Bernardo do Campo, Brazil  |
| Dates: | September 8–14 |
| Stadium: | Estádio Distrital de Vila Euclides |
| Nations Participating: | 8 |
| Athletes Participating: | about 176 |
| Events: | 29 |
| Level: | Under-20 |
| Previous: | 1966 Montevideo |
| Next: | 1970 Cali |
The seventh South American Junior Championships in Athletics were held in São Bernardo do Campo, Brazil, at the Estádio Distrital de Vila Euclides between September 8–14, 1968.
Detailed result lists can be found on the "World Junior Athletics History" website. An unofficial count yields the number of about 176 athletes from about 8 countries: Argentina (39), Brazil (34), Chile (38), Colombia (5), Ecuador (5), Paraguay (17), Peru (23), Uruguay (15).
Medal winners are published for men and womenComplete results can be found on the "World Junior Athletics History" website.
| 100 metres | 10.8 | 10.8 | 11.0 | ||||
| 200 metres | 21.7 | 22.2 | 22.4 | ||||
| 400 metres | 49.4 | 49.8 | 50.1 | ||||
| 800 metres | 1:55.7 | 1:56.0 | 1:58.5 | ||||
| 1500 metres | 3:57.5 | 3:57.5 | 4:02.4 | ||||
| 3000 metres | 8:45.7 | 8:49.9 | 8:55.2 | ||||
| 1500 metres steeplechase | 4:18.7 | 4:24.3 | 4:24.6 | ||||
| 110 metres hurdles | 15.7 | 16.1 | 16.1 | ||||
| 400 metres hurdles | 55.9 | 56.3 | 56.5 | ||||
| High jump | 2.00 | 2.00 | 1.90 | ||||
| Pole vault | 3.70 | 3.60 | 3.60 | ||||
| Long jump | 7.14 | 6.93 | 6.48 | ||||
| Triple jump | 14.95 | 14.13 | 13.88 | ||||
| Shot put | 16.94 | 16.84 | 15.42 | ||||
| Discus throw | 39.62 | 39.12 | 38.52 | ||||
| Hammer throw | 61.24 | 49.68 | 49.54 | ||||
| Javelin throw | 52.24 | 50.64 | 50.36 | ||||
| Pentathlon | 3694 | 3476 | 3475 | ||||
| 4 × 100 metres relay | 43.5 | 43.7 | 43.7 | ||||
| 4 × 400 metres relay | 3:20.9 | 3:22.0 | 3:28.1 |
| 100 metres | 11.9 | 12.0 | 12.2 | ||||
| 200 metres | 25.0 | 25.5 | 25.7 | ||||
| 80 metres hurdles | 11.8 | 11.8 | 12.3 | ||||
| High jump | 1.45 | 1.45 | 1.45 | ||||
| Long jump | 5.65 | 5.62 | 5.25 | ||||
| Shot put | 11.53 | 11.05 | 10.60 | ||||
| Discus throw | 35.98 | 35.96 | 32.18 | ||||
| Javelin throw | 35.67 | 35.48 | 35.00 | ||||
| 4 × 100 metres relay | 48.2 | 49.7 | 50.0 |