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Los Angeles Marathon on Twitter: "Jocelyn Rivas is a 23 year old aiming to become the youngest person to run 100 marathons, per #GuinnessWorldRecords. Here's her story, featured in our Meet the
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Runners pose for as they participate in The Virgin London Marathon Featuring: Youngest person to run..., Stock Photo, Picture And Rights Managed Image. Pic. WEN-34090176 | agefotostock
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Beijing Olympic skier holds record for youngest person to run a marathon on every continent - Canadian Running Magazine
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World record: 11-year-old becomes youngest person to run a half marathon in all 50 states - CBS News
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Winter Vinecki becomes youngest person to complete a marathon in Antarctica aged just 14 | Daily Mail Online
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11-year-old boy ran half marathon in all 50 states, may be youngest person in world to complete feat
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