See main article: Swimming at the 2017 Summer Universiade.
| Event: | Men's 800 metre freestyle |
| Games: | 2017 Summer Universiade |
| Dates: | 23 August (heats) 24 August (final) |
| Venue: | National Taiwan Sport University Arena |
| Location: | Taipei, Taiwan |
| Competitors: | 29 |
| Nations: | 21 |
| Win Value: | 7:45.76 |
| Gold: | Gregorio Paltrinieri |
| Gold Nation: | ITA |
| Silver: | Mykhailo Romanchuk |
| Silver Nation: | UKR |
| Bronze: | Serhiy Frolov |
| Bronze Nation: | UKR |
| Prev: | 2015 |
| Next: | 2019 |
The Men's 800 metre freestyle competition at the 2017 Summer Universiade was held on 23 and 24 August 2017.[1]
Prior to the competition, the existing world and Universiade records were as follows.The following new records were set during this competition.
The heats were held on 23 August at 09:57.[2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 4 | Mykhailo Romanchuk | 7:56.51 | Q | ||
| 2 | 3 | 3 | Gergely Gyurta | 7:57.88 | Q | ||
| 3 | 4 | 3 | Jay Lelliott | 7:57.95 | Q | ||
| 4 | 4 | 4 | Gregorio Paltrinieri | 7:57.98 | Q | ||
| 5 | 4 | 6 | Joris Bouchaut | 7:58.36 | Q | ||
| 6 | 4 | 2 | Grant Shoults | 7:59.44 | Q | ||
| 7 | 3 | 5 | Serhiy Frolov | 7:59.65 | Q | ||
| 8 | 3 | 7 | Shingo Nakaya | 7:59.83 | Q | ||
| 9 | 4 | 5 | Jan Micka | 8:01.57 | |||
| 10 | 3 | 6 | Matthew Hutchins | 8:01.84 | |||
| 11 | 3 | 1 | Patrick Ransford | 8:02.39 | |||
| 12 | 4 | 1 | Aleksandr Fedorov | 8:02.62 | |||
| 13 | 2 | 4 | Joshua Parrish | 8:03.77 | |||
| 14 | 4 | 8 | Ernest Maksumov | 8:04.56 | |||
| 15 | 4 | 7 | Domenico Acerenza | 8:07.52 | |||
| 16 | 2 | 1 | Huang Guo-ting | 8:09.04 | NR | ||
| 17 | 2 | 2 | Alin Artimon | 8:09.09 | |||
| 18 | 3 | 8 | Mathis Castera | 8:09.27 | |||
| 19 | 2 | 7 | Cho Cheng-chi | 8:10.57 | |||
| 20 | 2 | 3 | Shuhei Suyama | 8:12.06 | |||
| 21 | 2 | 5 | Yonatan Batsha | 8:18.57 | |||
| 22 | 3 | 2 | Lucas Kanieski | 8:19.25 | |||
| 23 | 2 | 6 | Michael Mincham | 8:19.46 | |||
| 24 | 2 | 8 | Eetu Piiroinen | 8:28.78 | |||
| 25 | 1 | 5 | Christian Mayer Martinelli | 8:40.99 | |||
| 26 | 1 | 4 | Ma Rixin | 8:41.41 | |||
| 27 | 1 | 6 | Jux Solita | 9:01.75 | |||
| 28 | 1 | 3 | Cristofer Lanuza | 9:12.73 | |||
| 29 | 1 | 2 | Naif Al-Qasmi | 9:47.44 |
The final was held on 24 August at 19:02.[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 6 | Gregorio Paltrinieri | 7:45.76 | UR | |||
| 4 | Mykhailo Romanchuk | 7:46.28 | ||||
| 1 | Serhiy Frolov | 7:51.06 | ||||
| 4 | 7 | Grant Shoults | 7:53.83 | |||
| 5 | 3 | Jay Lelliott | 7:55.36 | |||
| 6 | 5 | Gergely Gyurta | 7:58.22 | |||
| 7 | 8 | Shingo Nakaya | 8:00.69 | |||
| 8 | 2 | Joris Bouchaut | 8:00.82 |