Adolph Plummer

Adolph Plummer (January 3, 1938 – November 30, 2015) was an American track and field athlete. He is best known for breaking the world record in the 440 yard dash in 1963, the last runner to hold the 400 m record with a time recorded for the longer 440 yards.

Adolph Plummer

Adolph Plummer (January 3, 1938 – November 30, 2015) was an American track and field athlete. He is best known for breaking the world record in the 440 yard dash in 1963, the last runner to hold the 400 m record with a time recorded for the longer 440 yards.