Color photo of University of Oregon sprinter Jenna Prandini letting up after crossing the finish line in first place in the 100 meter dash final at the NCAA track and field championships on June 13, 2015 at Hayward Field.
Color photo of University of Oregon sprinter Jenna Prandini letting up after crossing the finish line in first place in the 100 meter dash final at the NCAA track and field championships on June 13, 2015 at Hayward Field.
Color photo of University of Oregon sprinter Jenna Prandini lunging across the finish line to win the 100 meter dash final at the NCAA track and field championships on June 13, 2015 at Hayward Field.
Color photo of University of Oregon middle distance runner Nikki Hiltz during the 1500 meter run final at the NCAA track and field championships on June 13, 2015 at Hayward Field. Hiltz finished 11th in the event.
Color photo of University of Oregon sprinter Jenna Prandini lunging across the finish line during the 200 meter dash final at the NCAA track and field championships on June 13, 2015 at Hayward Field. Prandini finished second in the event.
Black and white photo of Czechoslovak distance runner and gold medalist Emil Zátopek of Czechoslovakia during a 1952 race with a vertical line drawn through him to show his running posture.