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Since its debut at the 2000 Summer Olympics, the triathlon has been planned for five different venues.
| Games | Venue | Other sports hosted at venues for those games | Capacity | Ref. |
|---|---|---|---|---|
| 2000 Sydney | Sydney Opera House | None | Not listed. | [1] |
| 2004 Athens | Vouliagmeni Olympic Centre | Cycling (individual time trial) | Not listed. | [2] |
| 2008 Beijing | Triathlon Venue | None | 10,000 | [3] |
| 2012 London | Hyde Park | Swimming (marathon) | 3,000 | [4] |
| 2016 Rio de Janeiro | Fort Copacabana | Cycling (road), Swimming (marathon) | 5,000 | [5] |
| 2020 Tokyo | Odaiba Marine Park | Swimming (marathon) | 5,000 | |
| 2024 Paris | Pont Alexandre III | Cycling (road time trial finish), Swimming (marathon) | 1,000 | |
| 2028 Los Angeles | Venice Beach | Cycling, Marathon | 2,000 | |
| 2032 Brisbane | Southport Broadwater Parklands | Swimming (marathon) | 5,000 |