Examines how time affects sports performance, discussing pace, cadence in endurance events, circadian rhythms, development of athletic skills in childhood, aging, and other topics.

Who's in charge here? Setting the race pace -- Marching to the same drummer : cadence in endurance events -- Dragsters, tiger beetles, and Usain Bolt : time and speed -- Circadian rhythms and sport performance -- It's all in the timing : keeping your eye on the ball -- The development of athletic skill during the childhood years : a conversation with Bob Malina -- Over the hill : aging and sport performance.