Men's 400 metre freestyle at the IV Pan American Games | ||||||||||
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«1959
1967»
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The men's 400 metre freestyle competition of the swimming events at the 1963 Pan American Games took place on April. The last Pan American Games champion was George Breen of US.
This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke.
All times are in minutes and seconds.
The final was held on April.