Black and white photo of an unidentified runner at Hayward Field in 1960. The picture was part of Bill Bowerman's study of the biomechanics of running.
Black and white photo of an unidentified runner at Hayward Field in 1960. The picture was part of Bill Bowerman's study of the biomechanics of running.
Black and white photo of an unidentified runner at Hayward Field in 1960. The picture was part of Bill Bowerman's study of the biomechanics of running.