| V Pan American Junior Athletics Championships | |
| Size: | 200px |
| Host City: | Santa Fe, Argentina  |
| Dates: | June 23–25 |
| Nations Participating: | 16 |
| Athletes Participating: | about 280 |
| Events: | 40 |
| Level: | Junior |
| Previous: | 1986 Winter Park |
| Next: | 1991 Kingston |
The 5th Pan American Junior Athletics Championships were held in Santa Fe, Argentina, on June 23–25, 1989.
Detailed result lists can be found on the "World Junior Athletics History" website. An unofficial count yields the number of about 280 athletes from about 16 countries: Argentina (46), Bahamas (8), Bolivia (4), Brazil (31), Canada (26), Chile (21), Colombia (4), Cuba (28), Ecuador (8), Mexico (23), Paraguay (8), Peru (6), Puerto Rico (2), United States (34), Uruguay (10), Venezuela (21).
Medal winners are published.Complete results can be found on the "World Junior Athletics History"website.
| 100 metres | 10.72 | 10.88 | 10.89 | ||||
| 200 metres | 21.27 | 21.37 | 21.50 | ||||
| 400 metres | 46.19 | 47.14 | 47.40 | ||||
| 800 metres | 1:51.78 | 1:51.98 | 1:52.00 | ||||
| 1500 metres | 3:58.56 | 4:00.24 | 4:00.36 | ||||
| 5000 metres | 14:22.02 | 14:24.17 | 14:24.82 | ||||
| 10,000 metres | 29:28.6 | 30:14.8 | 30:31.4 | ||||
| 3000 metres steeplechase | 8:57.63 | 9:00.48 | 9:04.25 | ||||
| 110 metres hurdles | 14.28 | 14.39 | 14.69 | ||||
| 400 metres hurdles | 50.92 | 51.20 | 52.17 | ||||
| 4 × 100 metres relay | 40.14 | 40.72 | 42.15 | ||||
| 4 × 400 metres relay | 3:11.76 | 3:13.22 | 3:14.06 | ||||
| 10,000 metres track walk | 42:00.21 | 42:24.62 | 42:27.72 | ||||
| High jump | 2.20 | 2.17 | 2.08 | ||||
| Pole vault | 4.60 | 4.60 | 4.20 | ||||
| Long jump | 8.16 | 7.73w | 7.25 | ||||
| Triple jump | 15.93 | 15.89 | 15.64 | ||||
| Shot put | 16.61 | 15.79 | 15.12 | ||||
| Discus throw | 60.00 | 53.34 | 49.54 | ||||
| Hammer throw | 59.80 | 55.86 | 55.24 | ||||
| Javelin throw | 65.12 | 64.40 | 61.96 | ||||
| Decathlon | 6648 | 6024 | 5888 |
| 100 metres | 11.66 | 12.11 | 12.30 | ||||
| 200 metres | 23.29 | 24.04 | 24.24 | ||||
| 400 metres | 53.28 | 53.86 | 54.20 | ||||
| 800 metres | 2:07.45 | 2:08.34 | 2:09.02 | ||||
| 1500 metres | 4:28.36 | 4:29.74 | 4:31.33 | ||||
| 3000 metres | 9:16.05 | 9:24.85 | 9:27.43 | ||||
| 10,000 metres | 34:22.83 | 34:50.90 | 35:48.37 | ||||
| 100 metres hurdles | 13.39 | 13.87 | 14.20 | ||||
| 400 metres hurdles | 58.12 | 58.71 | 58.76 | ||||
| 4 × 100 metres relay | 45.20 | 45.52 | 46.72 | ||||
| 4 × 400 metres relay | 3:39.94 | 3:40.46 | 3:40.87 | ||||
| 5000 metres track walk | 24:22.10 | 24:23.27 | 24:34.54 | ||||
| High jump | 1.89 | 1.79 | 1.79 | ||||
| Long jump | 5.99 | 5.88 | 5.84 | ||||
| Shot put | 14.00 | 13.84 | 13.16 | ||||
| Discus throw | 50.08 | 49.38 | 48.80 | ||||
| Javelin throw | 61.06 | 55.32 | 44.44 | ||||
| Heptathlon | 5163 | 4978 | 4706 |