Shelly-Ann Fraser-Pryce is still restless in her farewell season. At 38, she insists that she lines up to win, never to merely participate. “Every time I step to the line, the goal is to win,” she said before the Brussels Diamond League earlier this month. That attitude has carried her through seven global 100m titles and nearly two decades of sprinting at the highest level. It is also the same outlook she carries into settings far removed from Olympic finals.

The Jamaican star has become almost as notorious in recent years for her uncompromising approach to the parents race at her son Zyon’s school. The scene underscores a truth about her career: Fraser-Pryce has never been content to jog through life’s contests. From her first breakthrough at the 2008 Beijing Olympics, where she stunned

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