| 18th Arab Junior Athletics Championships | |
| Host City: | Amman, Jordan |
| Dates: | 19–22 April |
| Stadium: | Baccalaureat School |
| Nations Participating: | 16 |
| Athletes Participating: | 423 |
| Events: | 44 |
| Previous: | 2016 Tlemcen |
| Next: | 2022 Radès |
The 2018 Arab Junior Athletics Championships was the eighteenth edition of the international athletics competition for under-20 athletes from Arab countries. It took place between 19–22 April at the Baccalaureat School in Amman, Jordan. It was the second time that Jordan hosted the event after Amman in 2012. A total of 44 athletics events were contested, 22 for men and 22 for women.
| 100 metres | 10.701 | 10.706 | 10:72 | ||||
| 200 metres | 21.41 | 21.65 | 21.74 | ||||
| 400 metres | 46.73 | 47.71 | 48.05 | ||||
| 800 metres | 1:53.85 | 1:54.14 | 1:55.65 | ||||
| 1500 metres | 3:48.49 | 3:56.19 | 4:00.87 | ||||
| 5000 metres | 14:43.20 | 14:45.35 | 15:23.01 | ||||
| 10,000 metres | 31:25 | 32:01 | 32:30 | ||||
| 110 m hurdles | 14.02 | 14.06 | 14.24 | ||||
| 400 m hurdles | 53.09 | 53.22 | 55.00 | ||||
| 3000 m steeplechase | 9:13.16 | 9:15.12 | 9:17.02 | ||||
| 4 × 100 m relay | 41.16 | 41.43 | 41.52 | ||||
| 4 × 400 m relay | 3:16.60 | 3:22.09 | 3:22.32 | ||||
| 10 km walk | 44:41 | 45:23 | 45:55 | ||||
| High jump | 2.05 m | 2.00 m | 2.00 m | ||||
| Pole vault | 4.60 m | 4.20 m | 3.80 m | ||||
| Long jump | 7.24 m | 7.17 m | 7.15 m | ||||
| Triple jump | 15.42 m | 15.33 m | 15.09 m | ||||
| Shot put | 19.80 m | 17.88 m | 17.86 m | ||||
| Discus throw | 58.44 m | 53.16 m | 51.37 m | ||||
| Hammer throw | 60.81 m | 60.39 m | 59.88 m | ||||
| Javelin throw | 59.06 m | 56.67 m | 56.50 m | ||||
| Decathlon | 6718 Pts | 5378 Pts | 4743 Pts |
| 100 metres | 12.51 | 12.52 | 12.60 | ||||
| 200 metres | 24.64 | 24.88 | 25.43 | ||||
| 400 metres | 54.54 | 57.11 | 57.23 | ||||
| 800 metres | 2:11.22 | 2:17.54 | 2:33.88 | ||||
| 1500 metres | 4:30.94 | 4:34.41 | 4:38.22 | ||||
| 3000 metres | 9:54.72 | 10:10.66 | 10:19.42 | ||||
| 5000 metres | 17:00 | 17:21 | 19:14 | ||||
| 100 m hurdles | 14.02 CR | 14.63 | 19.26 | ||||
| 400 m hurdles | 1:01.04 | 1:01.24 | 1:19.40 | ||||
| 3000 m steeplechase | ?:??.?? | ??:??.?? | ??:??.?? | ||||
| 4 × 100 m relay | 49.84 | 49.93 | 51.41 | ||||
| 4 × 400 m relay | 3:53.89 | 3:57.28 | 4:31.59 | ||||
| 10 km walk | 50:12 | 50:49 | 54:04 | ||||
| High jump | 1.66 m | 1.63 m | 1.60 m | ||||
| Pole vault | 3.60 m CR | 3.55 m | 3.40 m | ||||
| Long jump | 5.92 m | 5.72 m | 5.47 m | ||||
| Triple jump | 11.97 m | 11.74 m | 11.61 m | ||||
| Shot put | 13.77 m | 11.94 m | 11.74 m | ||||
| Discus throw | 47.00 m | 46.79 m | 40.26 m | ||||
| Javelin throw | 48.54 m CR | 48.23 m | 34.63 m | ||||
| Hammer throw | 47.16 m | 44.28 m | 43.73 m | ||||
| Heptathlon | 4742 pts CR | 4387 Pts | 4100 Pts |