The athletics at the 1970 Asian Games were held in Bangkok, Thailand.
| 100 m | 10.5 | 10.5 | 10.5 | ||||
| 200 m | 21.1 | 21.5 | 21.5 | ||||
| 400 m | 46.6 = | 46.7 | 47.2 | ||||
| 800 m | 1:47.9 | 1:48.3 | 1:48.7 | ||||
| 1500 m | 3:53.0 | 3:53.2 | 3:53.3 | ||||
| 5000 m | 14:32.2 | 14:33.8 | 14:34.7 | ||||
| 10,000 m | 29:55.6 | 29:56.9 | 31:43.0 | ||||
| 110 m hurdles | 14.7 | 15.1 | 15.8 | ||||
| 400 m hurdles | 52.6 | 52.8 | 53.2 | ||||
| 3000 m steeplechase | 8:48.8 | 8:50.3 | 8:53.2 | ||||
| 4 × 100 m relay | 40.4 | 40.7 | 40.9 | ||||
| 4 × 400 m relay | 3:10.0 | Bhogeswar Baruah P. C. Punappa Sucha Singh Ajmer Singh | 3:11.9 | 3:13.0 | |||
| Marathon | 2:21:03 | 2:24:21 | 2:26:48 | ||||
| High jump | 2.06 | 2.06 | 2.03 | ||||
| Pole vault | 4.80 | 4.60 | 4.30 | ||||
| Long jump | 7.62 | 7.52 | 7.45 | ||||
| Triple jump | 16.11 | 15.82 | 15.79 | ||||
| Shot put | 17.09 | 16.96 | 16.59 | ||||
| Discus throw | 52.32 | 51.40 | 48.94 | ||||
| Hammer throw | 67.08 | 64.34 | 51.38 | ||||
| Javelin throw | 71.24 | 67.98 | 67.34 | ||||
| Decathlon | 7073 | 6582 | 6556 |
| 100 m | 11.6 = | 12.1 | 12.4 | ||||
| 200 m | 25.0 | 25.2 | 25.4 | ||||
| 400 m | 57.3 | 57.3 | 57.4 | ||||
| 800 m | 2:06.5 | 2:11.7 | 2:13.5 | ||||
| 1500 m | 4:25.1 | 4:40.2 | 4:41.4 | ||||
| 100 m hurdles | 14.0 | 14.0 = | 14.6 | ||||
| 4 × 100 m relay | 47.2 | 48.0 | 48.1 | ||||
| High jump | 1.70 | 1.66 | 1.56 | ||||
| Long jump | 6.02 | 5.94 | 5.75 | ||||
| Shot put | 14.57 | 14.07 | 13.86 | ||||
| Discus throw | 47.70 | 44.42 | 44.02 | ||||
| Javelin throw | 49.84 | 48.12 | 43.70 | ||||
| Pentathlon | 4530 | 4382 | 4020 |