Fastest swim short course 400 metres medley (female)
- Who
- Summer McIntosh
- What
- 4:15.48 minute(s):second(s)
- Where
- Hungary (Budapest)
- When
- 14 December 2024
The fastest swim short course 400 metres medley (female) is 4 minutes 15.48 seconds, achieved by Summer McIntosh (Canada) in Budapest, Hungary, on 14 December 2024.
McIntosh also set world records in the 400 m freestyle and 200 m butterfly at the World Aquatics Swimming Championships (25m) 2024 in Budapest.