| X South American Youth Championships in Athletics | |
| Size: | 200px |
| Host City: | Lima, Perú  |
| Dates: | November 22–24 |
| Nations Participating: | 10 |
| Athletes Participating: | about 196 |
| Events: | 37 |
| Level: | Youth |
| Previous: | 1988 Cuenca |
| Next: | 1992 Santiago |
The 10th South American Youth Championships in Athletics were held in Lima, Peru, between November 22–24, 1990.
Medal winners are published for boys and girls. Complete results can be found on the "World Junior Athletics History" website.
| 100 metres (wind: +0.1 m/s) | 10.5 | 10.9 | 10.9 | ||||
| 200 metres (wind: +0.2 m/s) | 21.8 | 22.3 | 23.0 | ||||
| 400 metres | 49.6 | 50.3 | 51.7 | ||||
| 800 metres | 1:56.3 | 1:56.3 | 1:57.3 | ||||
| 1500 metres | 4:05.1 | 4:05.6 | 4:05.7 | ||||
| 5000 metres | 15:06.1 | 15:07.7 | 15:18.4 | ||||
| 1500 metres steeplechase | 4:22.83 | 4:24.80 | 4:26.76 | ||||
| 110 metres hurdles (wind: +0.1 m/s) | 13.9 | 14.1 | 14.4 | ||||
| 300 metres hurdles | 38.8 | 39.3 | 39.4 | ||||
| High jump | 2.00 | 1.97 | 1.97 | ||||
| Pole vault | 4.00 | 3.80 | 3.60 | ||||
| Long jump | 7.26 | 6.77 | 6.76 | ||||
| Triple jump | 15.83 | 13.99 | 13.82 | ||||
| Shot put | 15.71 | 15.13 | 15.03 | ||||
| Discus throw | 48.52 | 45.22 | 44.48 | ||||
| Hammer throw | 64.90 | 58.68 | 45.74 | ||||
| Javelin throw | 56.70 | 54.12 | 51.70 | ||||
| Hexathlon | 3975 | 3477 | 3390 | ||||
| 5000 metres track walk | 19:49.54 | 22:16.57 | 22:35.62 | ||||
| 4 × 100 metres relay | 42.37 | 43.58 | 43.78 | ||||
| 4 × 400 metres relay | 3:22.2 | 3:24.0 | Perú Javier Verne Erick Cuadros Marco Carrasco Iñaki Godoy | 3:28.8 |
| 100 metres (wind: +0.2 m/s) | 12.18 | 12.39 | 12.46 | ||||
| 200 metres (wind: +0.0 m/s) | 25.4 | 25.5 | 26.0 | ||||
| 400 metres | 58.18 | 58.39 | 58.80 | ||||
| 800 metres | 2:14.7 | 2:17.3 | 2:17.9 | ||||
| 1500 metres | 4:32.5 | 4:37.5 | 4:39.0 | ||||
| 3000 metres | 9:44.34 | 9:45.33 | 9:54.54 | ||||
| 100 metres hurdles (wind: +0.1 m/s) | 14.58 | 14.76 | 15.33 | ||||
| High jump | 1.68 | | 1.68 | ||||
| Long jump | 5.81 | 5.80 | 5.52 | ||||
| Shot put | 12.52 | 10.72 | 10.54 | ||||
| Discus throw | 38.96 | 34.40 | 34.26 | ||||
| Javelin throw | 41.22 | 39.26 | 38.32 | ||||
| Pentathlon | 3275 | 3068 | 3056 | ||||
| 3000 metres Track Walk | 14:13.8 | 14:24.4 | 14:51.0 | ||||
| 4 × 100 metres relay | 48.3 | 48.6 | 49.2 | ||||
| 4 × 400 metres relay | 3:54.8 | 3:58.1 | 4:06.9 |
Detailed result lists can be found on the "World Junior Athletics History" website. An unofficial count yields the number of about 196 athletes from about 10 countries:
(28)
(55)
(31)
(13)
(13)
(10)
(5)