| Event: | Athletics |
| Games: | 2018 South American Games |
| Venue: | Complejo Aurora |
| Dates: | 5–8 June |
| Competitors: | 295 |
| Nations: | 14 |
| Prev: | 2014 |
| Next: | 2022 |
There were 45 athletics events at the 2018 South American Games in Cochabamba, Bolivia. 23 for men and 22 for women. The events were held between June 5 and 8 at the Estadio de Atletismo GAMC.
The winner of each individual event qualifies for the 2019 Pan American Games, granted their NOC enters them into the competition.[1]
See main article: Athletics at the 2018 South American Games – Results.
| 100 metres | 10.01 GR, NR | 10.09 =NR | 10.12 | ||||
| 200 metres | 19.93 GR, NR | 20.21 | 20.28 | ||||
| 400 metres | 45.61 | 45.64 | 45.67 | ||||
| 800 metres | 1:51.15 | 1:51.50 | 1:51.94 | ||||
| 1500 metres | Carlos Díaz | 3:50.82 | Willy Canchanya | 3:51.23 | Federico Bruno | 3:54.34 | |
| 5000 metres | Bayron Piedra | 14:32.47 | Vidal Basco | 14:32.58 | Luis Ostos | 14:32.79 | |
| 10,000 metres | 30:25.10 | 30:37.29 | 30:51.74 | ||||
| 110 metres hurdles | 13.44 GR | 13.61 | 13.68 | ||||
| 400 metres hurdles | 49.28 GR, NR | 49.62 NR | 49.78 | ||||
| 3000 metres steeplechase | 9:01.95 | 9:01.99 | 9:21.81 | ||||
| 4 × 100 metres relay | 38.97 | 39.03 | 39.54 | ||||
| 4 × 400 metres relay | 3:04.78 | 3:05.75 | 3:11.58 | ||||
| 20 kilometres walk | 1:24:56 | 1:26:23 | 1:29:37 | ||||
| 50 kilometres walk | 3:55:48 GR | 3:59:23 | 4:05:05 | ||||
| High jump | 2.28 m GR | 2.25 m | 2.25 m | ||||
| Pole vault | 5.50 m | 5.40 m | 5.00 m | ||||
| Long jump | Emiliano Lasa | 8.26 m GR, NR | Paulo Sérgio Oliveira | 8.12 m | Alexsandro de Melo | 8.09 m | |
| Triple jump | 16.81 m GR | 16.76 m | 16.23 m | ||||
| Shot put | 21.21 m GR | 18.33 m | 17.60 m | ||||
| Discus throw | 62.10 m | 57.37 m | 52.91 m | ||||
| Hammer throw | Joaquín Gómez | 75.10 m GR | Humberto Mansilla | 74.71 m NR | Wagner Domingos | 72.53 m | |
| Javelin throw | 80.11 m | 78.65 m NR | 78.57 m | ||||
| Decathlon | 7977 pts GR, NR | 7757 pts | 7739 pts |
| 100 metres | 11.12 | 11.13 | 11.23 | |||||||||||
| 200 metres | 22.87 | 23.07 | 23.11 | |||||||||||
| 400 metres | 52.14 | 52.93 | 53.60 | |||||||||||
| 800 metres | 2:16.21 | 2:16.89 | 2:17.16 | |||||||||||
| 1500 metres | 4:27.10 | 4:30.56 | 4:30.88 | |||||||||||
| 5000 metres | 16:47.37 | 17:09.59 | 17:16.40 | |||||||||||
| 10,000 metres | Inés Melchor | 35:57.86 | Gladys Tejeda | 35:59.45 | Irma Vila Sonco | 36:12.74 | ||||||||
| 100 metres hurdles | 13.08 GR, NR | 13.36 NR | 13.39 NR | |||||||||||
| 400 metres hurdles | 56.39 | 56.86 | 57.68 | |||||||||||
| 3000 metres steeplechase | 10:53.83 | 10:59.06 | 11:18.63 | - | 4 × 100 metres relay | 44.71 | 46.17 NR | 46.43 | ||||||
| 4 × 400 metres relay | 3:31.87 | 3:33.42 NR | 3:35.96 NR | |||||||||||
| 20 kilometres walk | 1:33:11 GR | 1:34:25 | 1:36:23 | |||||||||||
| High jump | 1.90 m | 1.83 m | 1.80 m | |||||||||||
| Pole vault | 4.70 m GR, NR | 4.20 m | 3.90 m | |||||||||||
| Long jump | 6.66 m NR | 6.66 m GR | 6.60 m NR | |||||||||||
| Triple jump | 14.59 m GR, NR | 13.56 m | 13.46 m | |||||||||||
| Shot put | 18.15 m GR | 18.09 m | 17.30 m | |||||||||||
| Discus throw | 58.86 m | 57.29 m | 48.77 m | |||||||||||
| Hammer throw | 70.98 m GR | 70.93 m | 66.77 m | |||||||||||
| Javelin throw | 60.25 m | 58.81 m | 57.42 m | |||||||||||
| Heptathlon | 6081 pts GR | 5719 pts | 5503 pts |