by Competitor.com, Published Nov. 21, 2014, Updated Jan. 18, 2016 at 12:28 PM UTC
Seniors who run regularly are able to maintain their "fuel economy," according to the study.
by Duncan Larkin, Published Jul. 1, 2011
He didn't take up racing until he was 70 years old.
by Duncan Larkin, Published Apr. 5, 2011
She hadn't run her first marathon until she was 86.
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