page_title: Athletics at the 1912 Summer Olympics – Men's 400 metres
section_title: Semifinals
hierarchical_section_title: Athletics at the 1912 Summer Olympics – Men's 400 metres / Results / Semifinals
caption_attribution_description: One of the semi-finals of the men's 400 metre competition at the 1912 Summer Olympics.
context_page_description: The men's 400 metres was a track and field athletics event held as part of the Athletics at the 1912 Summer Olympics programme. The competition was held on Friday, July 12, 1912 and on Saturday, July 13, 1912. Forty-nine runners from 16 nations competed. NOCs could enter up to 12 athletes. The event was won by Charles Reidpath of the United States, the nation's fourth title in the event. Hanns Braun of Germany took silver, the nation's first medal in the men's 400 metres.
context_section_description: All semi-finals were held on Friday, July 12, 1912.
caption: The start of one of the semifinals.
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