![Canadian Science Publishing on X: "At 85 years old, Canadian master athlete Ed Whitlock was the oldest person to run a marathon in <4 hours. A new @APNMjournal study tracks the endurance Canadian Science Publishing on X: "At 85 years old, Canadian master athlete Ed Whitlock was the oldest person to run a marathon in <4 hours. A new @APNMjournal study tracks the endurance](https://pbs.twimg.com/media/DS317RAWsAAsW0h.jpg)
Canadian Science Publishing on X: "At 85 years old, Canadian master athlete Ed Whitlock was the oldest person to run a marathon in <4 hours. A new @APNMjournal study tracks the endurance
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World's oldest marathon runner finally hangs up his trainers aged 101 after completing a 10km race in a sprightly 92 minutes | Daily Mail Online
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