The men's 400 metre individual medley event at the

1964 Summer Olympics The , officially the and commonly known as Tokyo 1964 ( ja, 東京1964), were an international multi-sport event held from 10 to 24 October 1964 in Tokyo, Japan. Tokyo had been awarded the organization of the 1940 Summer Olympics, but this ho ...

took place on 12–14 October. This

swimming Swimming is the self-propulsion of a person through water, or other liquid, usually for recreation, sport, exercise, or survival. Locomotion is achieved through coordinated movement of the limbs and the body to achieve hydrodynamic thrust that r ...

event used

medley swimming Medley is a combination of four different swimming styles—backstroke, breaststroke, butterfly, and freestyle—into one race. This race is either swum by one swimmer as individual medley (IM) or by four swimmers as a medley relay. Individual ...

. Because an Olympic size swimming pool is 50 metres long, this race consisted of eight lengths of the pool. The first two lengths were swum using the

butterfly stroke The butterfly (colloquially shortened to fly) is a List of swimming styles, swimming stroke swum on the chest, with both arms moving symmetrically, accompanied by the butterfly kick (also known as the "dolphin kick"). While other styles like ...

, the second pair with the

backstroke Backstroke or back crawl is one of the four Swimming (sport), swimming styles used in competitive events regulated by FINA, and the only one of these styles swum on the back. This swimming style has the advantage of easy breathing, but the disa ...

, the third pair of lengths in

breaststroke Breaststroke is a swimming style in which the swimmer is on their chest and the torso does not rotate. It is the most popular recreational style due to the swimmer's head being out of the water a large portion of the time, and that it can be s ...

, and the final two were

freestyle Freestyle may refer to: Brands * Reebok Freestyle, a women's athletic shoe * Ford Freestyle, an SUV automobile * Coca-Cola Freestyle, a vending machine * ICD Freestyle, a paintball marker * Abbott FreeStyle, a blood glucose monitor by Abbott La ...

. Unlike other events using freestyle, swimmers could not use butterfly, backstroke, or breaststroke for the freestyle leg; most swimmers use the

front crawl The front crawl or forward crawl, also known as the Australian crawl or American crawl, is a swimming stroke usually regarded as the fastest of the four front primary strokes. As such, the front crawl stroke is almost universally used during a f ...

in freestyle events.

Medalists

Results

Heats

Heat 1 Heat 2 Heat 3 Heat 4

Final

Key: WR = World record

References

{{DEFAULTSORT:Swimming At The 1964 Summer Olympics - Men's 400 Metre Individual Medley Men's Individual Medley 400 metre Men's events at the 1964 Summer Olympics