Unlike other Olympic events, the swimming team does not have to wait days before athletes can compete for medals. Following the July 27th inauguration of the Games, the members of the U.S. Olympic team will have the chance to go for gold as early as July 28th.
Here are all the dates and times for every swimming event taking place in London.
July 28th Day 1
| Event | Time (ET/GMT) |
| Men's 400m Individual Medley | Heats- 5 a.m./10 a.m. |
| Heats- 5:26 a.m./10:26 a.m. | |
| FINALS: 2:30 p.m./7:30 p.m. | |
| Men's 400m Freestyle | Heats: 5:52 a.m./10:52 a.m. |
| FINALS: 2:49 p.m./7:49 p.m. | |
| Women's 400m Individual Medley | Heats: 6:17 a.m./11:17 a.m. |
| FINALS: 3:09 p.m./8:09 p.m. | |
| Women's 4x100m Freestyle Relay | Heats: 7:11 a.m./12:11 p.m. |
| FINALS: 3:20 p.m./8:20 p.m. | |
| Women's 100m Butterfly | Heats: 5:34 a.m./10:34 a.m. |
| Semifinals: 9:40 a.m./2:40 p.m. | |
| Men's 100m Breaststroke | Heats: 6:53 a.m./11:53 a.m. |
| Semifinals: 10:30 a.m./3:30 p.m. |
July 29th, DAY 2
| Event | Time (ET/GMT) |
| Women's 100m Butterfly | FINALS: 2:30 p.m./7:30 p.m. |
| Men's 100M Breaststroke | FINALS: 3:08 p.m./8:08 p.m. |
| Women's 400m Freestyle | Heats: 6:20 a.m./11:20 a.m. |
| FINALS: 3:15 p.m./8:15 p.m. | |
| Men's 4x100m Freestyle Relay | Heats: 6:53 a.m./11:53 p.m. |
| FINALS: 3:54 p.m./8:54 p.m. | |
| Women's 100m Backstroke | Heats: 5 a.m./10 a.m. |
| Semis: 3:44 p.m./8:44 p.m. | |
| Men's 200m Freestyle | Heats: 5:20 a.m./10:20 a.m. |
| Semis: 2:34 p.m./7:34 p.m. | |
| Women's 100m Breaststroke | Heats: 5:40 a.m./10:40 a.m. |
| Semis: 2:48 p.m./7:48 p.m. | |
| Men's 100m Backstroke | Heats: 6 a.m/11 a.m. |
| Semis: 3:25 p.m./8:25 p.m. |
July 30th, Day 3
| Event | Time (ET/MGT) |
| Men's 200m Freestyle | Final 2:41 p.m./7:41 p.m. |
| Women's 100m Backstroke | Finals: 2:49 p.m./7:49 p.m. |
| Men's 100m Backstroke | Finals: 2:56 p.m./7:56 p.m. |
| Women's 100m Backstroke | Finals: 3:13 p.m./8:13 p.m. |
| Women's 200m Freestyle | Heats: 5 a.m./10 a.m. |
| Semifinals: 2:30 p.m./7:30 p.m. | |
| Men's 200m Butterfly | Heats: 5 a.m./10 a.m. |
| Semifinals 3:30 p.m./8:30 p.m. | |
| Women's 200m Individual Medley | Heats: 5:41 a.m./10:41 a.m. |
| Semifinals: 3:51 p.m./8:51 p.m. |
July 31st, Day 4
| Event | Time (ET/GMT) |
| Men's 4x200m Freestyle Relay | Heats: 6:02 a.m./11:02 a.m. |
| Finals: 3:47 p.m./8:47 p.m. | |
| Women's 200m Freestyle | Finals: 2:39 p.m./7:39 p.m. |
| Men's 200m Butterfly | Finals: 2:47 p.m./7:47 p.m. |
| Women's 200m Individual Medley | Finals: 3:39 p.m./8:39 p.m. |
| Men's 100m Freestyle | Heats: 5 a.m./10 a.m. |
| Semifinals: 2:30 p.m./7:30 p.m. | |
| Women's 200m Butterfly | Heats: 5:23 a.m./10:23 a.m. |
| Semifinals: 2:55 p.m./7:55 p.m. | |
| Men's 200m Breaststroke | Heats: 5:40 a.m./10:40 a.m. |
| Semifinals: 3:17 p.m./8:17 p.m. |
August 1st, Day 5
| Event | Time (ET/GMT) |
| Women's 4x200m Individual Medley | Heats: 6:26 a.m./11:26 a.m. |
| Finals: 3:57 p.m./8:57 p.m. | |
| Men's 200m Breaststroke | Finals: 2:30 p.m./7:30 p.m. |
| Women's 200m Butterfly | Finals: 3:09 p.m./8:09 p.m. |
| Men's 100m Freestyle | Finals: 3:17 p.m./8:17 p.m. |
| Women's 100m Freestyle | Heats: 5 a.m./10 a.m. |
| Men's 200m Backstroke | Heats: 5:21 a.m./10:21 a.m. |
| Semifinals: 2:47 p.m./7:47 p.m. | |
| Women's 200m Breaststroke | Heats: 5:43 a.m./10:43 a.m. |
| Seminals: 3:24 p.m./8:24 p.m. | |
| Men's 200m Individual Medley | Heats: 6:06 a.m./ 11:06 a.m. |
| Semifinals: 3:26 p.m./8:26 p.m. | |
| Women's 4x200m Freestyle Relay | Heats: 6:26 a.m./ 11:26 a.m. |
| Semifinals: 3:57 p.m./8:57 p.m. |
August 2nd, Day 6
| Event | Time (ET/GMT) |
| Women's 200m Breaststroke | Finals: 2:38 p.m./7:38 p.m. |
| Men's 200m Backstroke | Finals: 2:46 p.m./7:46 p.m. |
| Men's 200m Individual Medley | Finals: 3:16 p.m./8:16 p.m. |
| Women's 100m Freestyle | Finals: 3:34 p.m./8:34 p.m. |
| Men's 50m Freestyle | Heats: 5 a.m./10 a.m. |
| Semifinals: 2:30 p.m./7:30 p.m. | |
| Women's 800m Freestyle | Heats: 5:19 a.m./10:19 a.m. |
| Men's 100m Freestyle | Heats: 6:14 a.m./11:14 a.m. |
| Semifinals: 3:51 p.m./8:51 p.m | |
| Women's 200m Backstroke | Heats: 6:31 a.m./11:31 a.m. |
| Semifinals: 2:54 p.m./7:54 p.m. |
August 3rd Day 7
| Event | Time (ET/GMT) |
| Women's 200m Backstroke | Finals: 2:30 p.m./7:30 p.m. |
| Men's 100m Butterfly | Finals: 2:38 p.m./7:38 p.m. |
| Women's 800m Freestyle | Finals: 2:45 p.m./7:45 p.m. |
| Men's 50m Freestyle | Finals: 3:09 p.m./8:09 p.m. |
| Women's 50m Freestyle | Heats: 5 a.m./10 a.m. |
| Semifinals: 3 p.m./8 p.m. | |
| Men's 1500m Freestyle | Heats 5:24 a.m./10:24 a.m. |
| Women's 4x100m Medley Relay | Heats 6:35 a.m./11:35 a.m. |
| Men's 4x100m Medley Relay | Heats 6:49 a.m./11:49 a.m. |
August 4th Day 8
| Event | Time (ET/GMT) |
| Women's 50m Freestyle | Finals: 2:30 p.m./7:30 p.m. |
| Men's 1500m Freestyle | Finals: 2:36 p.m./7:36 p.m. |
| Women's 4x100m Medley Relay | Finals 3:07 p.m./8:07 p.m. |
| Men's 4x100m Medley Relay | Finals: 3:27 p.m./8:27 p.m. |
| Event | Date/Time (ET/GMT) |
| Women's 10km Marathon | August 9th Finals: 7 a.m./12 a.m. |
| Men's 10k Marathon | August 10th Finals: 7 a.m./12 a.m. |