- RUNNING : The Basics - Sprints commonly are tested in track events including 100 m, 200 m or 400 m races. World-class athletes may finish these events in ten seconds, twenty seconds or forty-five seconds, respectively. A marathon is a race that's 26.2 miles long with world-class athletes completing...

- RUNNING : The Basics - Sprints commonly are tested in track events including 100 m, 200 m or 400 m races. World-class athletes may finish these events in ten seconds, twenty seconds or forty-five seconds, respectively. A marathon is a race that's 26.2 miles long with world-class athletes completing...

- RUNNING : Foreword - ☻☻☻Running is the act by which animals, including human beings, move by the power of the feet. Speeds may vary and range from jogging to a sprint. A lot of individuals compete in track events that place participants in a contest to test speed in...

- RUNNING : Foreword - ☻☻☻Running is the act by which animals, including human beings, move by the power of the feet. Speeds may vary and range from jogging to a sprint. A lot of individuals compete in track events that place participants in a contest to test speed in...