Swimming at the 1948 Summer Olympics - Men's 100 metre freestyle

The men's 100 metre freestyle event at the 1948 Olympic Games took place between July 30 and 31 at the Empire Pool. This swimming event used freestyle swimming, which means that the method of the stroke is not regulated (unlike backstroke, breaststroke, and butterfly events). Nearly all swimmers use the front crawl or a variant of that stroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of two lengths of the pool.

Key: Q = qualification by place in heat, q = qualification by overall place

Key: OR = Olympic record, Q = qualification by place in heat, q = qualification by overall place

Key: OR = Olympic record

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