US National Championship winners in men's indoor 600-yard dash | |
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| 1906–1979 Amateur Athletic Union |
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| 1981–1992 The Athletics Congress |
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| 1993–present USA Track & Field |
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| Notes | *Distances have varied as follows: 600 yards (1906–1986), 500 meters (1987–1993) except 600 meters (odd numbered years since 2015) |
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