(NEWSER– In Rocky II, the boxer pulls off a rather astounding feat: He appears, in a montage, to run from South Philadelphia to train tracks seven miles northeast, then suddenly back to South Philly before heading all the way to the Schuylkill River. All told, it's a 31-mile, or 50-kilometer, run—longer than a marathon. But that didn't stop local runners from taking on the challenge on Saturday, theWall Street Journal reports.

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Photo Courtesy: Everett Collection.