Editions
| Games | Year | Host city | Best nation |
|---|---|---|---|
| XV | 2006 | Doha, Qatar |  Kazakhstan |
| XVI | 2010 | Guangzhou, China |  Japan |
| XVII | 2014 | Incheon, South Korea | Japan |
| XVIII | 2018 | Jakarta–Palembang, Indonesia | Japan |
| XIX | 2022 | Hangzhou, China | Japan |
Triathlon has been an event at the Asian Games since 2006 in Doha, Qatar.
| Games | Year | Host city | Best nation |
|---|---|---|---|
| XV | 2006 | Doha, Qatar | Kazakhstan |
| XVI | 2010 | Guangzhou, China | Japan |
| XVII | 2014 | Incheon, South Korea | Japan |
| XVIII | 2018 | Jakarta–Palembang, Indonesia | Japan |
| XIX | 2022 | Hangzhou, China | Japan |
| Event | 06 | 10 | 14 | 18 | 22 | Years |
|---|---|---|---|---|---|---|
| Men's individual | X | X | X | X | X | 5 |
| Women's individual | X | X | X | X | X | 5 |
| Mixed relay | X | X | X | 3 | ||
| Total | 2 | 2 | 3 | 3 | 3 | |
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 | Japan (JPN) | 11 | 6 | 1 | 18 |
| 2 |  China (CHN) | 1 | 3 | 5 | 9 |
| 3 | Kazakhstan (KAZ) | 1 | 1 | 3 | 5 |
| 4 |  South Korea (KOR) | 0 | 2 | 1 | 3 |
| 5 |  Hong Kong (HKG) | 0 | 1 | 2 | 3 |
| 6 |  Macau (MAC) | 0 | 0 | 1 | 1 |
| Totals (6 entries) | 13 | 13 | 13 | 39 | |
| Nation | 06 | 10 | 14 | 18 | 22 | Years |
|---|---|---|---|---|---|---|
 Bahrain | 2 | 2 | 2 | |||
 Cambodia | 1 | 1 | ||||
| China | 4 | 4 | 6 | 5 | 5 | 5 |
 Chinese Taipei | 2 | 6 | 2 | |||
| Hong Kong | 4 | 2 | 6 | 5 | 5 | 5 |
 India | 2 | 2 | 2 | |||
 Indonesia | 6 | 1 | 2 | |||
 Iran | 1 | 1 | ||||
| Japan | 4 | 4 | 5 | 5 | 5 | 5 |
 Jordan | 1 | 2 | 2 | |||
| Kazakhstan | 3 | 4 | 5 | 3 | 5 | 5 |
 Kuwait | 5 | 3 | 2 | 3 | ||
 Kyrgyzstan | 1 | 1 | ||||
 Lebanon | 1 | 1 | ||||
| Macau | 3 | 3 | 5 | 5 | 4 | 5 |
 Malaysia | 3 | 2 | 4 | 3 | ||
 Mongolia | 2 | 2 | 4 | 4 | 5 | 5 |
 Nepal | 4 | 4 | 4 | 3 | ||
 Oman | 2 | 1 | ||||
 Palestine | 2 | 2 | 2 | |||
 Philippines | 4 | 2 | 5 | 6 | 5 | 5 |
 Qatar | 1 | 2 | 2 | |||
 Singapore | 4 | 1 | ||||
| South Korea | 4 | 4 | 5 | 5 | 5 | 5 |
 Sri Lanka | 1 | 1 | ||||
 Syria | 2 | 1 | 1 | 2 | 4 | |
 Thailand | 6 | 5 | 5 | 3 | ||
 United Arab Emirates | 2 | 3 | 2 | |||
 Uzbekistan | 3 | 2 | 5 | 4 | 4 | 5 |
| Number of nations | 15 | 12 | 15 | 22 | 20 | |
| Number of athletes | 43 | 32 | 65 | 81 | 70 | |
