Indunil Herath placed 3rd in Heat one and qualified to Men’s 800m Finals
| Heats Results – Standings | ||||||
| RankRk | Bib | Athlete | Heat | Mark | Qualification Mark | Record |
| 1 | 328 | India JOHNSON J | 1 | 1:47.39 | Q | |
| 2 | 704 | Qatar HAIRANA J | 1 | 1:47.45 | Q | |
| 3 | 731 | Sri Lanka HERATH EKANAYAKA MUDIYANSELAGE IDAME GEDRA I | 1 | 1:47.54 | q | |
| 4 | 468 | Japan KAWAMOTO S | 1 | 1:48.07 | q | |
| 5 | 137 | Bahrain ROTICH A | 2 | 1:48.24 | Q | |
| 6 | 694 | Qatar ABDALLA A | 3 | 1:48.25 | Q | |
| 7 | 432 | Islamic Republic of Iran MORADI A | 2 | 1:48.31 | Q | |
| 8 | 332 | India MANJIT SINGH | 3 | 1:48.64 | Q | |
| 9 | 204 | China LI J | 1 | 1:48.74 | PB | |
| 10 | 473 | Japan MURASHIMA T | 2 | 1:48.86 | ||
| 11 | 418 | Iraq HASHIM I | 3 | 1:48.87 | ||
| 12 | 850 | Vietnam DUONG V | 1 | 1:49.79 | ||
| 13 | 927 | Nepal KUMAL S | 3 | 1:50.25 | SB | |
| 14 | 582 | Kyrgyzstan DZHOLOMANOV M | 2 | 1:50.28 | ||
| 15 | 687 | Philippines VILOG M | 1 | 1:50.75 | PB | |
| 16 | 820 | United Arab Emirates SAUD A | 2 | 1:50.94 | SB | |
| 17 | 829 | Uzbekistan AKHMADALIEV K | 3 | 1:51.49 | ||
| 18 | 745 | Tajikistan ISMATOV O | 1 | 1:51.80 | ||
| 19 | 819 | United Arab Emirates MAYOUF M | 3 | 1:52.02 | ||
| 20 | 377 | Indonesia HOLLE B | 3 | 1:52.38 | SB | |
| 21 | 807 | Thailand YAPRAJAN Y | 3 | 1:53.71 | ||
| 22 | 628 | Mongolia ASYEIKHAN A | 1 | 1:53.89 | ||
| 23 | 383 | Indonesia PELAMONIA W | 2 | 1:54.53 | PB | |
| 24 | 633 | Mongolia GALERDENE O | 2 | 1:55.07 | ||
| 25 | 570 | Republic of Korea OH J | 2 | 1:59.58 | ||
| 26 | 811 | Timor Leste ATAIDE M | 2 | 2:02.40 | ||
| – | 134 | Bahrain MIKHOU A | 3 | DNF | ||