Swimming at the 1984 Summer Olympics – Women's 400 metre individual medley
The final of the women's 400 metre individual medley event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on July 29, 1984. 20 athletes competed in the heats, with the eight fastest qualifying for the final. Records
Prior to this competition, the existing world and Olympic records were as follows. Results

Heats
Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q). Finals

Final B

Final A

References

External links
 Official Report
 USA Swimming

M
1984 in women's swimming
Women's events at the 1984 Summer Olympics