Jumpei Furuya of Japan won the gold medal after finished in a time of 1 hour 49 minutes 43 seconds. The silver and bronze medals were earned by Ayan Beisenbayev from Kazakhstan and Li Mingxu from China respectively.[2]
| Rank | Athlete | Swim
1.5 km | Trans. 1 | Bike
40 km | Trans. 2 | Run
10 km | Total time | | {{Gold1}} | {{flagIOC2athlete|Jumpei Furuya|JPN|2018 Asian Games}} | 18:48 | 0:26 | 56:36 | 0:20 | 33:33 | 1:49:43 |
| {{Silver2}} | {{flagIOC2athlete|Ayan Beisenbayev|KAZ|2018 Asian Games}} | 18:55 | 0:27 | 56:29 | 0:22 | 34:25 | 1:50:38 |
| {{Bronze3}} | {{flagIOC2athlete|Li Mingxu|CHN|2018 Asian Games}} | 18:51 | 0:26 | 56:35 | 0:21 | 34:36 | 1:50:49 |
| 4 | {{flagIOC2athlete|Jiang Zhihang|CHN|2018 Asian Games}} | 18:51 | 0:25 | 56:35 | 0:24 | 34:38 | 1:50:53 |
| 5 | {{flagIOC2athlete|Chang Tuan-chun|TPE|2018 Asian Games}} | 19:53 | 0:28 | 56:50 | 0:23 | 33:44 | 1:51:18 |
| 6 | {{flagIOC2athlete|Mohammad Masoo|SYR|2018 Asian Games}} | 19:56 | 0:27 | 56:46 | 0:25 | 35:40 | 1:53:14 |
| 7 | {{flagIOC2athlete|Makoto Odakura|JPN|2018 Asian Games}} | 18:47 | 0:27 | 56:38 | 0:23 | 37:19 | 1:53:34 |
| 8 | {{flagIOC2athlete|Wong Hui Wai|HKG|2018 Asian Games}} | 18:52 | 0:24 | 56:36 | 0:20 | 37:40 | 1:53:52 |
| 9 | {{flagIOC2athlete|Heo Min-ho|KOR|2018 Asian Games}} | 20:02 | 0:28 | 56:42 | 0:24 | 36:45 | 1:54:21 |
| 10 | {{flagIOC2athlete|John Chicano|PHI|2018 Asian Games}} | 21:39 | 0:30 | 56:10 | 0:27 | 35:47 | 1:54:33 |
| 11 | {{flagIOC2athlete|Maxim Kriat|KAZ|2018 Asian Games}} | 21:39 | 0:27 | 56:14 | 0:29 | 36:04 | 1:54:53 |
| 12 | {{flagIOC2athlete|Wang Wei-kai|TPE|2018 Asian Games}} | 20:07 | 0:28 | 56:39 | 0:24 | 37:42 | 1:55:20 |
| 13 | {{flagIOC2athlete|Aleksandr Kurishov|UZB|2018 Asian Games}} | 18:50 | 0:28 | 57:56 | 0:20 | 37:56 | 1:55:30 |
| 14 | {{flagIOC2athlete|Behzad Nobaripour|IRI|2018 Asian Games}} | 21:03 | 0:32 | 56:38 | 0:25 | 37:54 | 1:55:32 |
| 15 | {{flagIOC2athlete|Muhammad Ahlul Firman|INA|2018 Asian Games}} | 20:10 | 0:27 | 56:36 | 0:26 | 38:23 | 1:56:02 |
| 16 | {{flagIOC2athlete|Nikko Huelgas|PHI|2018 Asian Games}} | 21:37 | 0:29 | 56:15 | 0:24 | 39:54 | 1:58:39 |
| 17 | {{flagIOC2athlete|Abdallah Abu-Shabab|PLE|2018 Asian Games}} | 19:56 | 0:27 | 56:50 | 0:27 | 41:42 | 1:59:22 |
| 18 | {{flagIOC2athlete|Omar Abu-Shabab|PLE|2018 Asian Games}} | 21:33 | 0:28 | 56:20 | 0:23 | 43:11 | 2:01:55 |
| 19 | {{flagIOC2athlete|Wong Chin Wa|MAC|2018 Asian Games}} | 21:37 | 0:28 | 1:01:53 | 0:20 | 37:53 | 2:02:11 |
| 20 | {{flagIOC2athlete|Chao Man Kit|MAC|2018 Asian Games}} | 20:14 | 0:28 | 57:41 | 0:24 | 44:05 | 2:02:52 |
| 21 | {{flagIOC2athlete|Ryan Tan|MAS|2018 Asian Games}} | 21:35 | 0:30 | 1:01:52 | 0:24 | 39:59 | 2:04:20 |
| 22 | {{flagIOC2athlete|Omar Ali|BRN|2018 Asian Games}} | 21:55 | 0:31 | 1:03:07 | 0:30 | 39:25 | 2:05:28 |
| 23 | {{flagIOC2athlete|Aldrian Yeo|MAS|2018 Asian Games}} | 21:35 | 0:28 | 1:01:54 | 0:25 | 41:09 | 2:05:31 |
| 24 | {{flagIOC2athlete|Lakruwan Dewa|SRI|2018 Asian Games}} | 24:55 | 0:31 | 1:03:06 | 0:31 | 42:25 | 2:11:28 |
| 25 | {{flagIOC2athlete|Ahmad Al-Sarhan|KUW|2018 Asian Games}} | 28:36 | 0:35 | 1:01:56 | 0:22 | 41:14 | 2:12:43 |
| 26 | {{flagIOC2athlete|Ebrahim Al-Romaihi|QAT|2018 Asian Games}} | 24:33 | 0:31 | 1:04:04 | 0:27 | 43:59 | 2:13:34 |
| 27 | {{flagIOC2athlete|Sirapob Sudsupap|THA|2018 Asian Games}} | 23:16 | 0:29 | 1:02:43 | 0:29 | 47:21 | 2:14:18 |
| 28 | {{flagIOC2athlete|Ahmad Al-Fahim|UAE|2018 Asian Games}} | 27:39 | 0:36 | 1:02:57 | 0:36 | 48:14 | 2:20:02 |
| — | {{flagIOC2athlete|Mohammad Al-Sabbagh|SYR|2018 Asian Games}} | 19:02 | 0:30 | 57:38 | 0:23 | DNF |
| — | {{flagIOC2athlete|Kim Ji-hwan|KOR|2018 Asian Games}} | 18:49 | 0:26 | 56:35 | 0:22 | DNF |
| — | {{flagIOC2athlete|Law Leong Tim|HKG|2018 Asian Games}} | 19:52 | 0:28 | 57:22 | 0:29 | DNF |
| — | {{flagIOC2athlete|Javohir Yunusov|UZB|2018 Asian Games}} | 19:55 | 0:36 | DNF |
| — | {{flagIOC2athlete|Mohsen Al-Ali|UAE|2018 Asian Games}} | DSQ |
| — | {{flagIOC2athlete|Dipesh Chaudhary|NEP|2018 Asian Games}} | DSQ |
1. ^{{cite news |first=Courtney |last=Akrigg |url=https://www.triathlon.org/news/article/triathlon_to_take_the_stage_at_the_2018_asian_games |title=Triathlon to take the stage at the 2018 Asian Games |publisher=International Triathlon Union |date=29 August 2018 |accessdate=14 September 2018}}
2. ^{{cite news |first=Febrianto Budi |last=Anggoro |url=https://en.asiangames2018.id/news/articles/japan-wins-gold-in-men-s-triathlon/ |title=Japan wins gold in men's triathlon |publisher=Asian Games 2018 |date=1 September 2018 |accessdate=14 September 2018}}