| Event: | Men's 1500 metre freestyle |
| Competition: | 2021 FINA World Swimming Championships (25 m) |
| Venue: | Etihad Arena |
| Location: | Abu Dhabi, United Arab Emirates |
| Dates: | 20 December (heats) 21 December (final) |
| Competitors: | 29 |
| Nations: | 26 |
| Win Value: | 14:06.88 |
| Gold: | Florian Wellbrock |
| Goldnoc: | GER |
| Silver: | Ahmed Hafnaoui |
| Silvernoc: | TUN |
| Bronze: | Mykhailo Romanchuk |
| Bronzenoc: | UKR |
| Prev: | 2018 |
| Next: | 2022 |
The Men's 1500 metre freestyle competition of the 2021 FINA World Swimming Championships (25 m) was held on 20 and 21 December 2021.[1]
Prior to the competition, the existing world and championship records were as follows.
The following new records were set during this competition:
The heats were started on 20 December at 11:58.[2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 5 | 14:24.76 | Q | |||
| 2 | 2 | 6 | 14:25.77 | Q | |||
| 3 | 3 | 6 | 14:25.79 | Q | |||
| 4 | 3 | 4 | 14:28.11 | Q | |||
| 5 | 2 | 5 | 14:30.90 | Q | |||
| 6 | 3 | 1 | 14:32.13 | Q, NR | |||
| 7 | 2 | 3 | 14:34.03 | Q | |||
| 8 | 2 | 4 | 14:36.27 | Q | |||
| 9 | 2 | 2 | 14:37.60 | ||||
| 10 | 3 | 8 | 14:39.76 | NR | |||
| 11 | 2 | 1 | 14:39.82 | NR | |||
| 12 | 2 | 8 | 14:41.00 | NR | |||
| 13 | 3 | 2 | 14:47.39 | ||||
| 14 | 1 | 5 | 14:48.68 | NR | |||
| 15 | 2 | 0 | 14:51.21 | ||||
| 16 | 3 | 3 | 14:54.55 | ||||
| 17 | 2 | 7 | 15:01.95 | ||||
| 18 | 1 | 4 | 15:05.05 | ||||
| 19 | 3 | 7 | 15:06.13 | ||||
| 20 | 2 | 9 | 15:07.43 | ||||
| 21 | 1 | 3 | 15:07.86 | ||||
| 22 | 3 | 9 | 15:18.99 | ||||
| 23 | 1 | 6 | 15:23.30 | NR | |||
| 24 | 1 | 7 | 15:27.12 | NR | |||
| 25 | 1 | 0 | 15:38.63 | ||||
| 26 | 1 | 2 | 15:47.50 | ||||
| 27 | 1 | 1 | 16:09.94 | ||||
| 28 | 1 | 8 | 16:34.53 | ||||
| 29 | 1 | 9 | 17:59.68 | ||||
| 3 | 0 | DNS |
The final was held on 21 December at 18:06.[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 3 | 14:06.88 | |||||
| 5 | 14:10.94 | AF | ||||
| 4 | 14:11.47 | |||||
| 4 | 6 | 14:21.00 | ||||
| 5 | 1 | 14:24.31 | ||||
| 6 | 2 | 14:25.62 | ||||
| 7 | 8 | 14:30.78 | ||||
| 8 | 7 | 14:36.78 |