Meet Ida Keeling, the 100-year-old who became the first woman to race the 100 metres at that age: She started running at 67 to survive her grief, coached by her own daughter

When Ida Keeling crouched at the starting line for the 100 metres shortly before her 101st birthday, she had already rewritten nearly every expectation about ageing. The New York-born sprinter became the first woman aged 100 or older to complete a 100-metre race in sanctioned competition, crossing the finish line at the Penn Relays in Philadelphia in April 2016 before a crowd of more than 44,000 spectators.

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